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1.
Dis Colon Rectum ; 62(5): 579-585, 2019 05.
Artigo em Inglês | MEDLINE | ID: mdl-30570548

RESUMO

BACKGROUND: Data on tissue distribution of human papillomavirus types in anal high-grade squamous intraepithelial lesions are limited and the impact on treatment outcomes poorly understood. OBJECTIVE: We aimed to investigate potential predictors of treatment failure after electrocautery ablation, including human papillomavirus type(s) isolated from index lesions. DESIGN: This was a retrospective cohort study. SETTINGS: The study was conducted at a tertiary academic referral center in New York City. PATIENTS: Seventy-nine HIV-infected patients with a diagnosis of anal high-grade squamous intraepithelial lesions between January 2009 and December 2012 were included, and genomic DNA was extracted from biopsy tissue. MAIN OUTCOME MEASURES: The prevalence of human papillomavirus types in index lesions and surveillance biopsies after electrocautery ablation were analyzed to evaluate treatment response. RESULTS: Of 79 anal high-grade squamous intraepithelial lesions, 71 (90%) tested positive for ≥1 human papillomavirus type; 8 (10%) had no human papillomavirus detected. The most common type was 16 (39%), followed by 33 (15%). Human papillomavirus type 18 was seen in 3%. Sixty-one patients (77%) underwent electrocautery ablation and had subsequent surveillance biopsies. Surveillance biopsies yielded benign findings or low-grade squamous intraepithelial lesions in 31 (51%) of 61 and recurrent high-grade squamous intraepithelial lesions in 30 (49%) of 61 patients (mean follow-up: 35 mo). Ablation response did not differ significantly based on baseline demographics, smoking history, history of anogenital warts, mean CD4 T-cell count, antiretroviral-therapy use, and HIV viral load (<50 copies/mL). The recurrence of high-grade lesions was not significantly associated with high-risk human papillomavirus types detected in index lesions. LIMITATIONS: Human papillomavirus genotyping in surveillance biopsies was not performed. CONCLUSIONS: Anal high-grade squamous intraepithelial lesions in HIV-infected patients contain a wide range of human papillomavirus types, and individual lesions commonly harbor multiple types concomitantly. Recurrence of anal high-grade squamous intraepithelial lesions after electrocautery ablation occurs frequently and is not affected by high-risk human papillomavirus types. See Video Abstract at http://links.lww.com/DCR/A833.


Assuntos
Neoplasias do Ânus/virologia , Carcinoma in Situ/virologia , Carcinoma de Células Escamosas/virologia , Infecções por HIV/complicações , Papillomaviridae/genética , Infecções por Papillomavirus/virologia , Lesões Pré-Cancerosas/virologia , Técnicas de Ablação , Adulto , Antirretrovirais/uso terapêutico , Neoplasias do Ânus/complicações , Neoplasias do Ânus/cirurgia , Carcinoma in Situ/complicações , Carcinoma in Situ/cirurgia , Carcinoma de Células Escamosas/complicações , Carcinoma de Células Escamosas/cirurgia , Estudos de Coortes , Sondas de DNA de HPV , Eletrocoagulação , Feminino , Genótipo , Humanos , Masculino , Pessoa de Meia-Idade , Infecções por Papillomavirus/complicações , Lesões Pré-Cancerosas/complicações , Lesões Pré-Cancerosas/cirurgia , Estudos Retrospectivos , Carga Viral
2.
Int J Gynecol Pathol ; 38(1): 52-58, 2019 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-28968296

RESUMO

For endometrial cancer (EC), most surgeons rely on intraoperative frozen section (IFS) to determine the risk of nodal metastasis and necessity of lymphadenectomy. IFS remains a weak link in this practice due to its susceptibility to diagnostic errors. As a less invasive alternative, sentinel lymph node (SLN) mapping and ultra-staging have gradually gained acceptance for EC. We aimed to establish the SLN success rate, negative predictive value, and whether SLNs provide useful information for cases misdiagnosed on IFS. From 2013 to 2017, 100 patients (63 low-risk and 37 high-risk EC) underwent hysterectomy, bilateral salpingo-oophorectomy, and SLN. Among them, 56 had additional pelvic lymphadenectomy. A total of 337 SLNs were obtained in 86 cases: 55 bilaterally and 31 unilaterally. The remaining 14 cases failed because of patient obesity or leiomyoma. Pathology ultra-staging detected 2 positive SLNs from 2 patients (1 with isolated tumor cells, 1 with micrometastases). One of 773 nonsentinel pelvic nodes was positive on the contralateral hemi-pelvis in a patient who was mapped unilaterally, resulting in negative predictive value of 100%. During IFS, tumor grade and/or depth of myometrial invasion was misdiagnosed in 22 cases (22%). These errors would have resulted in under-staging in 10 high-risk patients or over-staging in 4 low-risk patients. SLNs were mapped in these misestimated patients, with one revealing metastases. SLN provides invaluable information on nodal status while detecting occult metastases in cases misdiagnosed on IFS. Our findings justify the incorporation of SLN in initial surgery for EC as an offset to IFS diagnostic errors, minimizing their negative impact on patient care.


Assuntos
Neoplasias do Endométrio/patologia , Linfonodo Sentinela/patologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Neoplasias do Endométrio/cirurgia , Feminino , Secções Congeladas , Humanos , Histerectomia , Excisão de Linfonodo , Linfonodos/patologia , Linfonodos/cirurgia , Pessoa de Meia-Idade , Monitorização Intraoperatória , Micrometástase de Neoplasia/patologia , Estadiamento de Neoplasias , Linfonodo Sentinela/cirurgia
4.
Int J Gynecol Cancer ; 28(5): 882-889, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29538253

RESUMO

OBJECTIVES: Randomized trials have shown a local control benefit with adjuvant radiotherapy (RT) in high-intermediate-risk endometrial cancer patients, although not all such patients receive RT. We reviewed the National Cancer Data Base to investigate which patient/tumor-related factors are associated with delivery of adjuvant RT. METHODS: The National Cancer Data Base was queried for patients diagnosed with International Federation of Gynecology and Obstetrics 2009 stage I endometrioid adenocarcinoma from 1998 to 2012 who underwent surgery +/- adjuvant RT. Exclusion criteria were unknown stage/grade, nonsurgical primary therapy, less than 30 days' follow-up, RT of more than 6 months after surgery, or palliative treatment. High-intermediate risk was defined based on Post Operative Radiation Therapy in Endometrial Carcinoma 2 criteria: older than 60 years with stage IA grade 3 or stage IB grade 1-2. RESULTS: Seventeen thousand five hundred twenty-four met inclusion criteria, and the 13,651 patients with complete data were subjected to a multiple logistic regression analysis; 7814 (57.2%) received surgery alone, and 5837 (42.8%) received surgery + RT. Receipt of adjuvant RT was more likely among black women and women with higher income, Northeastern residence, diagnosis after 2010, greater than 50% myometrial invasion, and receipt of adjuvant chemotherapy (P < 0.05). Patients older than 80 years or those undergoing lymph node dissection were less likely to receive adjuvant RT (P < 0.05). Of those treated with RT, 44.0% received external beam therapy, 54.8% received vaginal cuff brachytherapy, and 0.6% received both. Among irradiated women, patients older than 80 years and those with Northeastern residence, treatment at academic facilities, diagnosis after 2004, and lymph node dissection were more likely to undergo brachytherapy over external beam radiation therapy (P < 0.05). Overall use of adjuvant RT was 28.8% between 1998 and 2004, 42.0% between 2005 and 2010, and 43.4% between 2011 and 2012; the difference between 1998-2004 and 2005-2010 was not statistically significant. CONCLUSIONS: Fewer than half of patients with high-intermediate-risk endometrial cancer by Post Operative Radiation Therapy in Endometrial Carcinoma 2 criteria received adjuvant RT despite evidence demonstrating improved local control. Both patient- and tumor-related factors are associated with delivery of adjuvant RT and the modality selected.


Assuntos
Carcinoma Endometrioide/radioterapia , Neoplasias do Endométrio/radioterapia , Radioterapia Adjuvante/estatística & dados numéricos , Idoso , Idoso de 80 Anos ou mais , Carcinoma Endometrioide/cirurgia , Neoplasias do Endométrio/cirurgia , Feminino , Humanos , Pessoa de Meia-Idade , Radioterapia Adjuvante/métodos , Estudos Retrospectivos
5.
Gynecol Oncol ; 144(1): 119-124, 2017 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-27793358

RESUMO

PURPOSE: Adjuvant radiation therapy (RT) was shown to improve local control in patients with high-intermediate risk (HIR) stage I endometrial cancer (EC) in randomized trials. Overall survival (OS) was not significantly different with adjuvant RT in these trials or subsequent meta-analyses; however, they were underpowered to assess OS. We used the National Cancer Data Base (NCDB) to examine the impact of adjuvant RT on OS in HIR EC patients. METHODS: The NCDB was queried for patients diagnosed with FIGO (2009) Stage I endometrioid adenocarcinoma from 1998 to 2012 who underwent surgery±adjuvant RT. Per ASTRO guidelines, HIR risk was defined as stage IB and/or grade 3. Patients were excluded if: non-surgical primary therapy, RT>180days after surgery, unknown stage/grade/RT status, or RT to targets outside pelvis/vagina. Kaplan-Meier plots and Cox proportional hazards regression were used. RESULTS: 33,600 patients met criteria. 18,070 patients (53.8%) received surgery alone, 15,530 patients (46.2%) received surgery+adjuvant RT. Of patients who received adjuvant RT, 42.2% received external beam RT, 44.7% brachytherapy, and 13.1% received both. 5-year OS was 79.2% for the surgery alone group and 83.3% for the surgery+adjuvant RT (p<0.0001). On multivariate analysis, adjuvant RT was independently associated with improved OS vs. surgery alone (HR 0.7; 95% CI 0.8-0.9, p<0.0001). CONCLUSIONS: Our results show that surgery+adjuvant RT was associated with a statistically significant 4.1% improvement in 5-year OS vs. surgery alone in stage I HIR EC. This data along suggests that the improvement in local control with adjuvant RT leads to improved OS.


Assuntos
Adenocarcinoma/radioterapia , Adenocarcinoma/cirurgia , Braquiterapia , Neoplasias do Endométrio/radioterapia , Neoplasias do Endométrio/cirurgia , Radioterapia de Alta Energia , Adenocarcinoma/patologia , Bases de Dados Factuais , Neoplasias do Endométrio/patologia , Feminino , Humanos , Pessoa de Meia-Idade , Gradação de Tumores , Estadiamento de Neoplasias , Radioterapia Adjuvante , Fatores de Risco , Taxa de Sobrevida , Estados Unidos
6.
Int J Gynecol Pathol ; 36(5): 428-432, 2017 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-28800576

RESUMO

We report a rare case of heterotopic pregnancy with intrauterine normal gestation alongside tubal complete hydatidiform mole (CHM) that resulted in a viable pregnancy after removal of molar tissue. Because of their rarity and inherent complexity, such cases represent a significant challenge in diagnosis and management. A 34-year-old female in her 10th week of gestation presented with nausea, vomiting, and intermittent abdominal pain that progressively worsened. Imaging studies revealed a normal intrauterine fetus and an 11-cm heterogenous mass in the left adnexal region. The patient's serum human chorionic gonadotropin was higher than the reference range. Diagnostic laparoscopy revealed a large hemorrhagic mass involving the left adnexa that was removed completely. The mass was composed of blood clots admixed with necrotic tissue of vesicular appearance on gross inspection. Microscopic examination revealed large chorionic villi with circumferential trophoblastic proliferation and cisterns, all of which are characteristic of CHM. An implantation site was identified at the tubal fimbriae. Immunohistochemistry p57 demonstrated negative staining in the villous stromal and cytotrophoblastic cells, supporting the diagnosis of CHM. Chromosomal karyotyping and cytogenetic analysis were performed on chorionic villi samples from the intrauterine gestation and reported as normal (46, XX). The patient elected to continue the intrauterine pregnancy, delivering a healthy female infant at 39 weeks. Our case reaffirms that to successfully manage this rare yet life-threatening condition, heterotopic pregnancy should be included in the differential diagnosis for any gravid women presenting with persistent abdominal pain and/or extrauterine mass.


Assuntos
Mola Hidatiforme/diagnóstico por imagem , Gravidez Heterotópica/diagnóstico por imagem , Neoplasias Uterinas/diagnóstico por imagem , Adulto , Vilosidades Coriônicas/diagnóstico por imagem , Vilosidades Coriônicas/patologia , Feminino , Humanos , Mola Hidatiforme/patologia , Gravidez , Resultado da Gravidez , Gravidez Heterotópica/patologia , Trofoblastos/patologia , Neoplasias Uterinas/patologia
7.
Int J Gynecol Cancer ; 27(1): 85-92, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-27759595

RESUMO

OBJECTIVES: High-risk histology including UPSC, CC, and high-grade (G3) endometrioid adenocarcinoma (EAC) have a worse prognosis compared to G1-2 EAC. It is unknown whether G3EAC outcomes are more similar to UPSC/CC or to G1-2 EAC. The purpose of this study was to compare overall survival (OS) among UPSC, CC, and G1-3 EAC, for International Federation of Gynecology and Obstetrics stages I to III. METHODS: The National Cancer Data Base was queried for patients diagnosed with International Federation of Gynecology and Obstetrics (1988 classification) Stage I-III UPSC, CC, and EAC from 1998 to 2012 who underwent surgery as definitive treatment. Patients with unknown grade/stage, nonsurgical primary therapy, other histologies, and less than 30-day follow-up were excluded. Overall survival was calculated using the Kaplan-Meier product-limit method and compared using log-rank tests. RESULTS: 219,934 patients met our inclusion criteria. For patients with stage I disease (n = 174,361), 5-year OS was for 92.4% for G1EAC, 87.8% for G2EAC, 77.5% for G3EAC, 74.9% for CC, and 74.6% for UPSC. For stage II patients (n = 17,361), 5-year OS was 86.7% for G1EAC, 80.2% for G2EAC, 62.7% for G3EAC, 64.3% for CC, and 56.7% for UPSC. For stage III patients (n = 28,212), 5-year OS was 79.7% for G1EAC, 68.9% for G2EAC, 49.6% for G3EAC, 40.2% for CC, and 35.7% for UPSC (P <0.0001). On multivariate analysis, black race, age 60 years and older, higher stage, higher grade, high-risk histologies, receiving chemotherapy, and higher comorbidity scores were all significantly (P < 0.0001) predictive of death while receiving radiation therapy was protective (hazards ratio, 0.7; 95% confidence interval, 2.6-2.9). CONCLUSIONS: The results suggest that G3 EAC has a slightly more favorable survival than UPSC and CC but predictably does poorer than G1-2 EAC. Further research is warranted to determine if G3 EAC should be reclassified as a type II cancer.


Assuntos
Adenocarcinoma de Células Claras/mortalidade , Carcinoma Endometrioide/mortalidade , Cistadenocarcinoma Papilar/mortalidade , Cistadenocarcinoma Seroso/mortalidade , Neoplasias do Endométrio/mortalidade , Adenocarcinoma de Células Claras/patologia , Idoso , Carcinoma Endometrioide/patologia , Cistadenocarcinoma Papilar/patologia , Cistadenocarcinoma Seroso/patologia , Bases de Dados Factuais , Neoplasias do Endométrio/patologia , Feminino , Humanos , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Sistema de Registros , Programa de SEER , Estados Unidos/epidemiologia
8.
PLoS Med ; 13(12): e1002206, 2016 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-28027320

RESUMO

BACKGROUND: Endometrial cancer is the most common gynecologic malignancy, and its incidence and associated mortality are increasing. Despite the immediate need to detect these cancers at an earlier stage, there is no effective screening methodology or protocol for endometrial cancer. The comprehensive, genomics-based analysis of endometrial cancer by The Cancer Genome Atlas (TCGA) revealed many of the molecular defects that define this cancer. Based on these cancer genome results, and in a prospective study, we hypothesized that the use of ultra-deep, targeted gene sequencing could detect somatic mutations in uterine lavage fluid obtained from women undergoing hysteroscopy as a means of molecular screening and diagnosis. METHODS AND FINDINGS: Uterine lavage and paired blood samples were collected and analyzed from 107 consecutive patients who were undergoing hysteroscopy and curettage for diagnostic evaluation from this single-institution study. The lavage fluid was separated into cellular and acellular fractions by centrifugation. Cellular and cell-free DNA (cfDNA) were isolated from each lavage. Two targeted next-generation sequencing (NGS) gene panels, one composed of 56 genes and the other of 12 genes, were used for ultra-deep sequencing. To rule out potential NGS-based errors, orthogonal mutation validation was performed using digital PCR and Sanger sequencing. Seven patients were diagnosed with endometrial cancer based on classic histopathologic analysis. Six of these patients had stage IA cancer, and one of these cancers was only detectable as a microscopic focus within a polyp. All seven patients were found to have significant cancer-associated gene mutations in both cell pellet and cfDNA fractions. In the four patients in whom adequate tumor sample was available, all tumor mutations above a specific allele fraction were present in the uterine lavage DNA samples. Mutations originally only detected in lavage fluid fractions were later confirmed to be present in tumor but at allele fractions significantly less than 1%. Of the remaining 95 patients diagnosed with benign or non-cancer pathology, 44 had no significant cancer mutations detected. Intriguingly, 51 patients without histopathologic evidence of cancer had relatively high allele fraction (1.0%-30.4%), cancer-associated mutations. Participants with detected driver and potential driver mutations were significantly older (mean age mutated = 57.96, 95% confidence interval [CI]: 3.30-∞, mean age no mutations = 50.35; p-value = 0.002; Benjamini-Hochberg [BH] adjusted p-value = 0.015) and more likely to be post-menopausal (p-value = 0.004; BH-adjusted p-value = 0.015) than those without these mutations. No associations were detected between mutation status and race/ethnicity, body mass index, diabetes, parity, and smoking status. Long-term follow-up was not presently available in this prospective study for those women without histopathologic evidence of cancer. CONCLUSIONS: Using ultra-deep NGS, we identified somatic mutations in DNA extracted both from cell pellets and a never previously reported cfDNA fraction from the uterine lavage. Using our targeted sequencing approach, endometrial driver mutations were identified in all seven women who received a cancer diagnosis based on classic histopathology of tissue curettage obtained at the time of hysteroscopy. In addition, relatively high allele fraction driver mutations were identified in the lavage fluid of approximately half of the women without a cancer diagnosis. Increasing age and post-menopausal status were associated with the presence of these cancer-associated mutations, suggesting the prevalent existence of a premalignant landscape in women without clinical evidence of cancer. Given that a uterine lavage can be easily and quickly performed even outside of the operating room and in a physician's office-based setting, our findings suggest the future possibility of this approach for screening women for the earliest stages of endometrial cancer. However, our findings suggest that further insight into development of cancer or its interruption are needed before translation to the clinic.


Assuntos
DNA de Neoplasias , Neoplasias do Endométrio/genética , Genoma , Mutação , Útero/metabolismo , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos Transversais , Neoplasias do Endométrio/patologia , Feminino , Humanos , Pessoa de Meia-Idade , Estudos Prospectivos , Irrigação Terapêutica
9.
Am J Pathol ; 180(1): 375-89, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-22074739

RESUMO

Phenotypic diversity arises in tumors just as it does in developing organisms, and tumor recurrence frequently manifests from the selective survival of divergent drug-resistant cells. Although the expanding tumor cell population may be successfully targeted, drug-resistant cells may persist and sustain the tumor or enter dormancy before igniting a future relapse. Herein, we show that partial knockdown of nucleoporin p62 (NUP62) by small-interfering RNA confers cisplatin resistance to cultured high-grade ovarian carcinoma cells. Treatment with NUP62 small-interfering RNA and cisplatin leaves resistant cells in a state of dormancy; some dormant cells can be induced to proliferate by transient induction of NUP62 expression from an ectopic expression construct. In addition to suggesting functional links between nuclear pore complex architecture and cancer cell survival, the culture system provides a novel experimental window into the dynamics of tumor cell drug resistance and dormancy.


Assuntos
Antineoplásicos/farmacologia , Cisplatino/farmacologia , Glicoproteínas de Membrana/farmacologia , Complexo de Proteínas Formadoras de Poros Nucleares/farmacologia , Poro Nuclear/efeitos dos fármacos , Neoplasias Ovarianas/tratamento farmacológico , RNA Interferente Pequeno/farmacologia , Pontos de Checagem do Ciclo Celular/efeitos dos fármacos , Pontos de Checagem do Ciclo Celular/genética , Linhagem Celular Tumoral , Proliferação de Células , Resistencia a Medicamentos Antineoplásicos/genética , Feminino , Técnicas de Silenciamento de Genes , Humanos , Glicoproteínas de Membrana/genética , Glicoproteínas de Membrana/metabolismo , Recidiva Local de Neoplasia/genética , Poro Nuclear/genética , Complexo de Proteínas Formadoras de Poros Nucleares/genética , Complexo de Proteínas Formadoras de Poros Nucleares/metabolismo , Neoplasias Ovarianas/genética , Neoplasias Ovarianas/metabolismo , Fenótipo , RNA Interferente Pequeno/genética
10.
Am J Obstet Gynecol ; 208(1): 71.e1-6, 2013 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23099190

RESUMO

OBJECTIVE: Laparoscopically assisted vaginal hysterectomy (LAVH), which usually involves the use of an intrauterine manipulator for optimal surgical control, has been shown to be as effective and safe as conventional total abdominal hysterectomy (TAH) for the staging of endometrial carcinoma. The purpose of this study was to determine whether the use of an intrauterine manipulator was associated with an increase in the pathologic reporting of lymphovascular space invasion (LVSI), which is an important determinant in choosing adjuvant therapy. We hypothesized that intracavitary manipulation and an increase of the intrauterine pressure could cause pseudolymphovascular invasion. STUDY DESIGN: We performed a retrospective chart review of endometrial cancer patients treated at our institution from January 1996 through January 2006. Records were reviewed for patient's age, preoperative diagnosis, procedure type, final surgical staging, and final pathology report. Using the 2009 International Federation of Gynecology and Obstetrics staging, we included all patients having stage IA or IB endometrioid-type endometrial cancer who had undergone either a TAH or LAVH with or without pelvic and paraaortic lymph node dissection. The χ2 and Fisher exact tests were used to measure the association between risk of positive lymphovascular invasion and surgical groups. RESULTS: Of 568 women identified as having endometrioid-type endometrial cancer, 486 (85.6%) met criteria for stage IA-IB endometrioid histology, grade 1, 2, or 3. LVSI was reported in 553/568 cases, with LVSI positivity in 16.9% (n = 96/568). The mean ages of the LAVH and TAH groups were significantly different (59.4 vs 62.4 years, respectively, P = .0050). Also, mean estimated blood loss and uterine weight significantly varied between TAH and LAVH groups (P = .0001 and .008, respectively). For stage IA, 17/220 (7.7%) who had been treated with LAVH had positive LVSI compared with 20/199 (10.1%) of patients receiving TAH (P = .73). For stage IB, 11/25 (44.0%) of patients treated with LAVH had positive LVSI compared with 10/31 (32.3%) of patients receiving TAH (P = .53). The stage I cancer patients were further subdivided into histological grades 1, 2, and 3, and LVSI was not significantly different between TAH and LAVH groups per grade of cancer. We found no differences between TAH and LAVH in early-stage endometrial cancer (stage IA and IB), with respect to the presence of positive peritoneal washings. CONCLUSION: In early-stage endometrial cancer (stage IA and IB), there were no differences between TAH and LAVH in the final pathologic report of LVSI. The use of an intrauterine manipulator for LAVH was not associated with an increased detection of LVSI.


Assuntos
Carcinoma Endometrioide/cirurgia , Neoplasias do Endométrio/cirurgia , Histerectomia/métodos , Linfonodos/patologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Carcinoma Endometrioide/patologia , Neoplasias do Endométrio/patologia , Feminino , Humanos , Excisão de Linfonodo , Linfonodos/cirurgia , Pessoa de Meia-Idade , Estudos Retrospectivos
11.
Int J Gynecol Pathol ; 32(2): 234-7, 2013 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-23370653

RESUMO

A 59 year old woman with a history of acute lymphoblastic leukemia in remission presented with right flank pain. An abdominal ultrasound showed mild to moderate right hydronephrosis due to obstruction, and computed tomography scan showed a bulky mass near the cervix, concerning for cervical or uterine malignancy. A Papanicolaou smear was suspicious for malignancy, and immunocytochemical stains were positive for terminal deoxynucleotidyl transferase (TdT) and cluster of differentiation (CD)-10, focally positive for CD34 and CD79a, and negative for CD3, CD20, and paired box protein-5 (PAX-5). Cervical biopsies showed an infiltrating population of cells with immunophenotype similar to the cells on cervical cytology. The cytologic and histologic workup was compatible with infiltration of the uterine cervix by recurrent precursor-B acute lymphoblastic leukemia. A bone marrow biopsy showed normocellular marrow without evidence of tumor or infiltrative disease. Complete blood count and peripheral blood smear showed no evidence of leukemic involvement. Acute lymphoblastic leukemia diagnosed on cervical Pap smear has been very rarely reported. The majority of cases of hematologic malignancy involving the uterine cervix present with vaginal bleeding. To our knowledge, only three cases of recurrent precursor-B acute lymphoblastic leukemia in the uterine cervix have been reported, two of which occurred in pediatric patients. One pediatric patient presented with vomiting and abdominal pain, and was found to have hydronephrosis on imaging. This is perhaps the first case of precursor-B acute lymphoblastic leukemia diagnosed on cervical cytology in an adult patient with hydronephrosis and without vaginal bleeding.


Assuntos
Leucemia-Linfoma Linfoblástico de Células Precursoras B/patologia , Neoplasias do Colo do Útero/patologia , Antígenos CD20/análise , DNA Nucleotidilexotransferase/análise , Feminino , Humanos , Hidronefrose/diagnóstico por imagem , Hidronefrose/patologia , Imuno-Histoquímica , Pessoa de Meia-Idade , Invasividade Neoplásica/patologia , Neprilisina/análise , Teste de Papanicolaou , Leucemia-Linfoma Linfoblástico de Células Precursoras , Recidiva , Tomografia Computadorizada por Raios X , Ultrassonografia , Esfregaço Vaginal
12.
Artigo em Inglês | MEDLINE | ID: mdl-37848227

RESUMO

Although the progressive histologic steps leading to endometrial cancer (EndoCA), the most common female reproductive tract malignancy, from endometrial hyperplasia are well-established, the molecular changes accompanying this malignant transformation in a single patient have never been described. We had the unique opportunity to investigate the paired histologic and molecular features associated with the 12-yr development of EndoCA in a postmenopausal female who could not undergo hysterectomy and instead underwent progesterone treatment. Using a specially designed 58-gene next-generation sequencing panel, we analyzed a total of 10 sequential biopsy samples collected over this time frame. A total of eight pathogenic/likely pathogenic mutations in seven genes, APC, ARID1A, CTNNB1, CDKN2A, KRAS, PTEN, and TP53, were identified. A PTEN nonsense mutation p.W111* was present in all samples analyzed except histologically normal endometrium. Apart from this PTEN mutation, the only other recurrent mutation was KRAS G12D, which was present in six biopsy samplings, including histologically normal tissue obtained at the patient's first visit but not detectable in the cancer. The PTEN p.W111* mutant allele fractions were lowest in benign, inactive endometrial glands (0.7%), highest in adenocarcinoma (36.9%), and, notably, were always markedly reduced following progesterone treatment. To our knowledge, this report provides the first molecular characterization of EndoCA development in a single patient. A single PTEN mutation was present throughout the 12 years of cancer development. Importantly, and with potential significance toward medical and nonsurgical management of EndoCA, progesterone treatments were consistently noted to markedly decrease PTEN mutant allele fractions to precancerous levels.


Assuntos
Neoplasias do Endométrio , Progesterona , Humanos , Feminino , Hiperplasia , Proteínas Proto-Oncogênicas p21(ras)/genética , Neoplasias do Endométrio/genética , Neoplasias do Endométrio/terapia , Neoplasias do Endométrio/patologia , Endométrio , Mutação
13.
Int J Gynecol Pathol ; 31(3): 276-9, 2012 May.
Artigo em Inglês | MEDLINE | ID: mdl-22498946

RESUMO

SUMMARY: A thorough literature search revealed no previous reports of this entity, and we are the first to describe a case of a high-grade sarcoma arising from a recurrent immature teratoma misdiagnosed as growing teratoma syndrome. The patient was a 23-yr-old female, diagnosed at the age of 20 with a Stage IIIB immature ovarian teratoma. After surgery and chemotherapy, the patient developed multiple liver and pelvic masses that were diagnosed as mature teratomas based on small samples obtained by computed tomography-guided core biopsy. Three years after diagnosis the patient presented with severe respiratory difficulty and following resection, the final pathology revealed multiple tumors with foci of high grade sarcoma compatible with primitive neuroectodermal tumor/extraskeletal Ewing sarcoma based on morphology and immunohistochemistry (CD99, CD56). However, on the basis of further immunostaining and fluorescent in situ hybridization studies negative for rearrangement of EWSR1, the final pathologic diagnosis was high-grade unspecified (undifferentiated) sarcoma. This case illustrates the pitfalls of biopsying 1 site in a patient with recurrence of a heterogeneous tumor such as immature ovarian teratoma, especially when rendering a benign diagnosis such as growing teratoma syndrome. It is of utmost importance to adequately sample large-volume recurrent teratomas, and we suggest biopsying several different sites, to increase the likelihood of detecting a malignant component.


Assuntos
Neoplasias Hepáticas/diagnóstico , Segunda Neoplasia Primária/diagnóstico , Neoplasias Ovarianas/cirurgia , Sarcoma/diagnóstico , Teratoma/cirurgia , Terapia Combinada , Diagnóstico Diferencial , Erros de Diagnóstico , Feminino , Humanos , Neoplasias Hepáticas/patologia , Metástase Neoplásica/diagnóstico , Segunda Neoplasia Primária/patologia , Neoplasias Ovarianas/tratamento farmacológico , Recidiva , Sarcoma/patologia , Teratoma/tratamento farmacológico , Adulto Jovem
14.
PLoS One ; 17(1): e0261775, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35051209

RESUMO

HIV pre-exposure prophylaxis (PrEP) is dominated by clinical therapeutic antiretroviral (ARV) drugs. Griffithsin (GRFT) is a non-ARV lectin with potent anti-HIV activity. GRFT's preclinical safety, lack of systemic absorption after vaginal administration in animal studies, and lack of cross-resistance with existing ARV drugs prompted its development for topical HIV PrEP. We investigated safety, pharmacokinetics (PK), pharmacodynamics (PD), and immunogenicity of PC-6500 (0.1% GRFT in a carrageenan (CG) gel) in healthy women after vaginal administration. This randomized, placebo-controlled, parallel group, double-blind first-in-human phase 1 study enrolled healthy, HIV-negative, non-pregnant women aged 24-45 years. In the open label period, all participants (n = 7) received single dose of PC-6500. In the randomized period, participants (n = 13) were instructed to self-administer 14 doses of PC-6500 or its matching CG placebo (PC-535) once daily for 14 days. The primary outcomes were safety and PK after single dose, and then after 14 days of dosing. Exploratory outcomes were GRFT concentrations in cervicovaginal fluids, PD, inflammatory mediators and gene expression in ectocervical biopsies. This trial is registered with ClinicalTrials.gov, number NCT02875119. No significant adverse events were recorded in clinical or laboratory results or histopathological evaluations in cervicovaginal mucosa, and no anti-drug (GRFT) antibodies were detected in serum. No cervicovaginal proinflammatory responses and no changes in the ectocervical transcriptome were evident. Decreased levels of proinflammatory chemokines (CXCL8, CCL5 and CCL20) were observed. GRFT was not detected in plasma. GRFT and GRFT/CG in cervicovaginal lavage samples inhibited HIV and HPV, respectively, in vitro in a dose-dependent fashion. These data suggest GRFT formulated in a CG gel is a safe and promising on-demand multipurpose prevention technology product that warrants further investigation.


Assuntos
Carragenina/administração & dosagem , Infecções por HIV/prevenção & controle , Infecções por Papillomavirus/prevenção & controle , Lectinas de Plantas/administração & dosagem , Profilaxia Pré-Exposição , Cremes, Espumas e Géis Vaginais/administração & dosagem , Administração Intravaginal , Adolescente , Adulto , Método Duplo-Cego , Feminino , HIV-1 , Humanos , Pessoa de Meia-Idade , Papillomaviridae
15.
MedEdPublish (2016) ; 10: 159, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-38486569

RESUMO

This article was migrated. The article was marked as recommended. Purpose Transgender health competency among medical students and clinical providers remains poor, yet standardized curricula are lacking. Integrating the rapidly evolving teaching methods of the current technological era, a team of physicians and instructional designers created and evaluated a visual-format, interactive eLearning module to teach core competencies of transgender healthcare. Methods From September-March 2020, 416 students (MS1-MS4) from a NY-based medical school participated in the curriculum, which covered sexual development, gender affirmation surgeries, medical management, and health screening for transgender patients. Students completed pre/post surveys about their knowledge, comfort, and preparedness. Changes were assessed using the Chi-squared test. Commentaries were evaluated with thematic analysis. Results Pre-intervention, 68% of MS4s and 53% of MS3s rated the preclinical transgender curricula as "very poor," "poor," or "fair." Among the 187 students who took the module and post-survey, 79% felt "more comfortable" and 81% felt "more prepared" in providing healthcare to transgender patients after completion. Each class demonstrated statistically significant increases in comfort compared to baseline assessments. Students submitted >150 positive comments on the module's educational content, illustrations, and functionality. Conclusions As medical schools increasingly embrace virtual learning, this interactive learning tool serves as a model for expanding transgender healthcare curricula throughout the country.

16.
Surg Oncol ; 38: 101566, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-33915484

RESUMO

OBJECTIVE: To evaluate the inter- and intra-rater variability of lymphovascular space invasion (LVSI) in early stage cervical cancer. METHODS: We identified invasive cervical cancer tissue samples from radical hysterectomies in our institutional pathology database. The cases were stained with Hematoxylin & Eosin (H&E) and immunostains (CD-31 and D2-40). They were evaluated for the presence of LVSI by 6 pathologists on 3 separate occasions: with H&E staining only, then with H&E and immunostained specimens, and finally using a shared written criterion for diagnosis of LVSI. With 80 cases, a two-sided 95% confidence interval for the Kappa of 0.7 with a precision of 0.1 on each side was estimated. RESULTS: Stage distribution was: IA 10%, IB 85%, and IIA 5%. The majority of cases were squamous cell carcinoma (55%), followed by adenocarcinoma (39%) and adenosquamous or other histology (6%). The mean inter-rater Kappa was 0.41 (95% CI: 0.37-0.45) for H&E. Usage of immunohistochemistry made a statistically significant improvement in the mean Kappa, but it still remained low: 0.52 (p = 0.02). Adding evaluation criteria for LVSI did not significantly increase the mean Kappa: 0.49 (p = 0.16). The mean intra-rater variability of H&E staining alone compared with H&E staining plus immunostaining was 0.53 (range: 0.43-0.64). The mean Kappa comparing H&E staining and H&E staining with criteria was 0.50 (range: 0.40-0.59). CONCLUSIONS: We noted high inter- and intra-rater variability in the diagnosis of LVSI underscoring the challenges of LVSI diagnosis. Considering the significance assigned to LVSI and its implication for treatment, comprehensive guidelines with regards to determination of LVSI status are of paramount importance.


Assuntos
Adenocarcinoma/diagnóstico , Carcinoma de Células Escamosas/diagnóstico , Linfonodos/patologia , Metástase Linfática/diagnóstico , Variações Dependentes do Observador , Neoplasias do Colo do Útero/diagnóstico , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Seguimentos , Humanos , Masculino , Pessoa de Meia-Idade , Invasividade Neoplásica , Prognóstico
17.
Gynecol Oncol Rep ; 34: 100668, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-33241100

RESUMO

Neuroendocrine small cell carcinoma of the uterine cervix portends a dismal prognosis with limited treatment options. Rarely, tumors of mixed-lineage appear in gynecologic malignancies. Here, we report a 77-year-old woman who presented with complete uterine prolapse and 4-month history of vaginal bleeding. Histopathologic evaluation revealed a mixed adenoid cystic carcinoma and neuroendocrine small cell carcinoma of the uterine cervix. The tumor was PD-L1 and HPV 35 positive. The patient was treated with up-front surgery and adjuvant radiation. Independent, histology-specific alterations in FGFR2 and a FGFR2-TACC2 fusion were identified. Progression of disease occurred within 6 months for which she received chemotherapy and immunotherapy. However, the patient expired within a year. We comprehensively review how screening for and targeting of FGFR alterations in recurrent and metastatic cervical cancer might serve as a touchstone for future treatment regimens.

18.
Artigo em Inglês | MEDLINE | ID: mdl-31628202

RESUMO

Epithelial ovarian cancer (OvCa) is the most lethal female reproductive tract malignancy. A major clinical hurdle in patient management and treatment is that when using current surveillance technologies 80% of patients will be clinically diagnosed as having had a complete clinical response to primary therapy. In fact, the majority of women nonetheless develop disease recurrence within 18 mo. Thus, without more accurate surveillance protocols, the diagnostic question regarding OvCa recurrence remains framed as "when" rather than "if." With this background, we describe the case of a 61-yr-old female who presented with a 3-mo history of unexplained whole-body rash, which unexpectedly led to a diagnosis of and her treatment for OvCa. The rash resolved immediately following debulking surgery. Nearly 1 yr later, however, the rash reappeared, prompting the prospect of tumor recurrence and requirement for additional chemotherapy. To investigate this possibility, we undertook a genomics-based tumor surveillance approach using a targeted 56-gene NGS panel and biobanked tumor samples to develop personalized ctDNA biomarkers. Although tumor-specific TP53 and PTEN mutations were detectable in all originally collected tumor samples, pelvic washes, and blood samples, they were not detectable in any biosample collected beyond the first month of treatment. No additional chemotherapy was given. The rash spontaneously resolved. Now, 2 yr beyond the patient's original surgery, and in the face of continued negative ctDNA findings, the patient remains with no evidence of disease. As this single case report suggests, we believe for the first time that ctDNA can provide an additional layer of information to avoid overtreatment.


Assuntos
Carcinoma Epitelial do Ovário/genética , Exantema/genética , Biomarcadores Tumorais/genética , Carcinoma Epitelial do Ovário/diagnóstico , DNA Tumoral Circulante/genética , Exantema/etiologia , Feminino , Humanos , Pessoa de Meia-Idade , Mutação , Recidiva Local de Neoplasia/genética , Neoplasias Ovarianas/genética , Ovário/patologia , PTEN Fosfo-Hidrolase , Medicina de Precisão/métodos
19.
AIDS Res Hum Retroviruses ; 35(3): 335-347, 2019 03.
Artigo em Inglês | MEDLINE | ID: mdl-30600686

RESUMO

Factors underlying HIV acquisition in women remain incompletely understood. This study evaluated ex vivo mucosal HIV-1BaL infection (ectocervix, endocervix), T cell frequencies and phenotype (ectocervix, endocervix, peripheral blood), and HIV-1BaL-induced tissue immune responses (ectocervix) in the proliferative and secretory phases of the menstrual cycle using samples obtained from women undergoing hysterectomies. Tissue infectivity (number of productively infected explants) and infection level following 500 and/or fifty 50% tissue culture infectious dose (TCID50) HIV-1BaL challenge were similar in the proliferative and secretory phases. Although not associated with infection outcomes, higher frequencies of HIV target CD4+α4ß7+ T cells, and stronger HIV-1BaL-induced proinflammatory responses were detected in ectocervix in the secretory versus proliferative phase. Independently of the cycle phase, serum E2 concentrations were inversely associated with ectocervical and endocervical tissue infection levels following high-dose 500 TCID50 HIV-1BaL challenge, with frequencies of CD4+α4ß7+ T cells in endocervix, and with HIV-induced interleukin (IL)2R and IL4 in ectocervix. Although serum P4 concentrations and P4/E2 ratios were neither associated with tissue infection level nor infectivity, high P4 concentrations and/or P4/E2 ratios correlated with high frequencies of CD4+α4ß7+ T cells in ectocervix, low frequencies of CD4+CD103+ blood T cells, low CD4+LFA-1+ T cells in endocervix, and high proinflammatory (IL1ß, IL17, tumor necrosis factor α) ectocervical tissue responses to HIV-1BaL. The data suggest an inhibitory effect of E2 on mucosal HIV infection, provide insights into potential mechanisms of E2-mediated anti-HIV activity, and highlight P4-associated immune changes in the mucosa.


Assuntos
Suscetibilidade a Doenças/virologia , Fase Folicular/psicologia , Infecções por HIV/virologia , HIV-1/genética , Fase Luteal/psicologia , Mucosa/virologia , Adulto , Linfócitos T CD4-Positivos/metabolismo , Colo do Útero/virologia , Citocinas/análise , Estradiol/sangue , Feminino , Humanos , Histerectomia , Pessoa de Meia-Idade , Progesterona/sangue , Reação em Cadeia da Polimerase em Tempo Real
20.
Clin Cancer Res ; 12(12): 3730-9, 2006 Jun 15.
Artigo em Inglês | MEDLINE | ID: mdl-16778100

RESUMO

PURPOSE: We investigated the role of the KLF6 tumor suppressor gene and its alternatively spliced isoform KLF6-SV1 in epithelial ovarian cancer (EOC). EXPERIMENTAL DESIGN: We first analyzed tumors from 68 females with EOC for KLF6 gene inactivation using fluorescent loss of heterozygosity (LOH) analysis and direct DNA sequencing and then defined changes in KLF6 and KLF6-SV1 expression levels by quantitative real-time PCR. We then directly tested the effect of KLF6 and KLF6-SV1 inhibition in SKOV-3 stable cell lines on cellular invasion and proliferation in culture and tumor growth, i.p. dissemination, ascites production, and angiogenesis in vivo using BALB/c nu/nu mice. All statistical tests were two sided. RESULTS: LOH was present in 59% of samples in a cell type-specific manner, highest in serous (72%) and endometrioid (75%) subtypes, but absent in clear cell tumors. LOH was significantly correlated with tumor stage and grade. In addition, KLF6 expression was decreased in tumors when compared with ovarian surface epithelial cells. In contrast, KLF6-SV1 expression was increased approximately 5-fold and was associated with increased tumor grade regardless of LOH status. Consistent with these findings, KLF6 silencing increased cellular and tumor growth, angiogenesis, and vascular endothelial growth factor expression, i.p. dissemination, and ascites production. Conversely, KLF6-SV1 down-regulation decreased cell proliferation and invasion and completely suppressed in vivo tumor formation. CONCLUSION: Our results show that KLF6 and KLF6-SV1 are associated with key clinical features of EOC and suggest that their therapeutic targeting may alter ovarian cancer growth, progression, and dissemination.


Assuntos
Fatores de Transcrição Kruppel-Like/fisiologia , Neoplasias Ovarianas/genética , Proteínas Proto-Oncogênicas/fisiologia , Adenocarcinoma/genética , Adenocarcinoma/patologia , DNA de Neoplasias/genética , DNA de Neoplasias/isolamento & purificação , Progressão da Doença , Feminino , Marcadores Genéticos , Humanos , Fator 6 Semelhante a Kruppel , Fatores de Transcrição Kruppel-Like/genética , Perda de Heterozigosidade , Neoplasia Residual/genética , Neoplasias Ovarianas/patologia , Reação em Cadeia da Polimerase , Proteínas Proto-Oncogênicas/genética , RNA Neoplásico/genética , RNA Interferente Pequeno
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