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2.
Fertil Steril ; 68(2): 364-6, 1997 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-9240271

RESUMEN

OBJECTIVE: To report an autograft of ovarian tissue in the incision of the surgical trocar during laparoscopic surgery and to assess the potentiality of grafting of ovarian parenchyma in nonpelvic tissue in humans. DESIGN: A case report. SETTING: Instituto de Fertilidad y Ginecología de Buenos Aires (IFER), Buenos Aires, Argentina. PATIENT(S): Infertile patient undergoing surgery due to an endometriotic cyst of the left ovary. INTERVENTION(S): Laparoscopic cystectomy. Accidental retention of a portion of the capsule and adjacent ovarian tissue of the endometrioma in SC cellular tissue. Months after surgery, a SC tumor was formed under the surgical incision. It was subsequently excised. MAIN OUTCOME MEASURE(S): Observation of tumor growth during menstrual cycles and ovulation induction; anatomopathologic study of the tissue after its extirpation. RESULT(S): The tumor grew spontaneously in the periovulatory period and during treatments of ovulation induction. The anatomopathologic report of the tumor, removed 15 months after the first surgery, revealed functioning ovarian tissue with vessels of neoformation. CONCLUSION(S): This is the first description of autografted ovarian tissue in humans. We describe that the ovary can maintain its ovulatory function even in the absence of its pedicel. Also, we suggest that extirpation of surgical material through the incision of the trocar is not recommended, as the possibility of "sowing" or of autografts may occur.


Asunto(s)
Endometriosis/cirugía , Laparoscopía , Quistes Ováricos/cirugía , Ovario/trasplante , Tejido Adiposo/patología , Adulto , Cicatriz , Femenino , Humanos , Infertilidad Femenina/etiología , Quistes Ováricos/patología , Ovario/patología , Ovario/cirugía , Trasplante Autólogo
3.
Fertil Steril ; 74(4): 760-6, 2000 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-11020520

RESUMEN

OBJECTIVE: To evaluate and compare spontaneous apoptosis and Bcl-2 and Bax expression in eutopic endometrium from women with and without endometriosis. DESIGN: Apoptosis and Bcl-2 and Bax expression were examined in eutopic endometrium from women with and without endometriosis. SETTING: Instituto de Biología y Medicina Experimental-CONICET, Department of Gynecology and Department of Gynecological Pathology, Clínicas University Hospital, Buenos Aires, Argentina. PATIENT(S): Women with untreated endometriosis (n = 14) and controls (n = 16). INTERVENTION(S): Collection of endometrial samples during diagnostic or therapeutic laparoscopy. MAIN OUTCOME MEASURE(S): Apoptotic cells were detected with use of the dUTP nick-end labeling (TUNEL) assay; Bcl-2 and Bax expressions were assessed with use of immunohistochemical techniques. RESULT(S): Spontaneous apoptosis was significantly lower in eutopic endometrium from patients with endometriosis, compared with healthy controls (2.26 +/- 0.53 and 9.37 +/- 1.69 apoptotic cells/field, respectively) and was independent of cycle phase. An increased expression of Bcl-2 protein was found in proliferative eutopic endometrium from patients with endometriosis. Bax expression was absent in proliferative endometrium, whereas there was an increase in its expression in secretory endometrium from both patients and controls. CONCLUSION(S): Women with endometriosis show decreased number of apoptotic cells in eutopic endometrium. The abnormal survival of endometrial cells may result in their continuing growth into ectopic locations.


Asunto(s)
Apoptosis , Endometriosis/metabolismo , Endometrio/metabolismo , Proteínas Proto-Oncogénicas c-bcl-2/biosíntesis , Proteínas Proto-Oncogénicas/biosíntesis , Femenino , Humanos , Hibridación in Situ , Ciclo Menstrual , Proteína X Asociada a bcl-2
4.
J Reprod Med ; 39(12): 957-9, 1994 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-7884752

RESUMEN

Syringoma of the vulva, especially as the multiple form, is a rare disorder. A review of the diagnoses in 4,500 patients from the Vulvar Clinic, Hospital de Clínicas José de San Martín, First Chair of Gynecology, Buenos Aires University, revealed only three cases, two of which were asymptomatic. The third patient, with multiple lesions and severe discomfort, is presented. With cryotherapy the lesions healed, and the patient was asymptomatic even during warm weather.


Asunto(s)
Siringoma/patología , Neoplasias de la Vulva/patología , Crioterapia , Diagnóstico Diferencial , Femenino , Humanos , Persona de Mediana Edad , Siringoma/terapia , Resultado del Tratamiento , Neoplasias de la Vulva/terapia
5.
J Reprod Med ; 39(7): 526-30, 1994 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-7966043

RESUMEN

The slides of 64 vulvectomy specimens from vulvar squamous carcinoma were reviewed in order to study the histopathologic changes adjacent to the neoplasia. Normal epithelium was found in 7 cases (11%) and epithelial alterations adjacent to carcinoma in 59 (89%). The epithelial alterations found were: nonneoplastic epithelial disorder (NNDV) in 38 cases (59%) and vulvar intraepithelial neoplasia (VIN) in 19 (30%). The distribution of NNDV was: 20 cases of epithelial hyperplasia (EH) (31%), 6 of lichen sclerosus (9%) and 12 of the mixed type (19%). Sixteen cases of VIN 3 (25%) were undifferentiated, and three cases were differentiated VIN. Eighteen of 19 VIN cases were associated with NNDV, and 8 cases of undifferentiated VIN were associated with human papillomavirus infection. There was no apparent relationship between the associated lesions and tumor size, depth of invasion, lymph node metastases and clinical stage. Nevertheless, we found a significantly higher frequency of associated lesions in poorly differentiated tumors (P > .01). The most important finding was a high association between EH (50%) and VIN (30%) with carcinoma. VIN cases were almost always (95%) associated with EH.


Asunto(s)
Carcinoma de Células Escamosas/patología , Liquen Escleroso y Atrófico/patología , Papillomaviridae , Infecciones por Papillomavirus/patología , Lesiones Precancerosas/patología , Infecciones Tumorales por Virus/patología , Vulva/patología , Enfermedades de la Vulva/patología , Neoplasias de la Vulva/patología , Biopsia , Carcinoma de Células Escamosas/epidemiología , Carcinoma de Células Escamosas/cirugía , Femenino , Humanos , Hiperplasia , Incidencia , Liquen Escleroso y Atrófico/epidemiología , Liquen Escleroso y Atrófico/cirugía , Índice Mitótico , Invasividad Neoplásica , Estadificación de Neoplasias , Infecciones por Papillomavirus/epidemiología , Infecciones por Papillomavirus/cirugía , Lesiones Precancerosas/epidemiología , Lesiones Precancerosas/cirugía , Infecciones Tumorales por Virus/epidemiología , Infecciones Tumorales por Virus/cirugía , Enfermedades de la Vulva/epidemiología , Enfermedades de la Vulva/cirugía , Neoplasias de la Vulva/epidemiología , Neoplasias de la Vulva/cirugía
6.
J Reprod Med ; 39(2): 71-6, 1994 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-8169932

RESUMEN

In 59 cases of vulvar invasive squamous cell carcinoma treated with radical vulvectomy and inguino-femoral lymphadenectomy, seven histologic parameters were evaluated to establish their predictive value in the development of lymph node metastasis. The most significant was vascular involvement, observed in 86% of cases with lymph node metastases (P < .000004). Depth of stromal invasion and tumor thickness were highly significant, with P < .008 and < .007, respectively, with 0% lymph node metastases in tumors thinner than 1 mm and 62% and 60%, respectively, in those thicker than 5 mm. The growth pattern correlated with lymph node metastases but was not statistically significant. The histologic grade correlated with positive lymph nodes, with P < .04. The amount of keratin (P < .91) was not related. These histologic factors allow the identification of patients with a lower risk of developing lymph node metastases and in whom conservative surgery on the vulva and inguino-femoral lymph nodes is feasible.


Asunto(s)
Carcinoma de Células Escamosas/patología , Neoplasias de la Vulva/patología , Adulto , Carcinoma de Células Escamosas/secundario , Carcinoma de Células Escamosas/cirugía , Femenino , Humanos , Metástasis Linfática , Persona de Mediana Edad , Invasividad Neoplásica , Pronóstico , Factores de Riesgo , Neoplasias de la Vulva/cirugía
7.
Eur J Gynaecol Oncol ; 19(6): 565-8, 1998.
Artículo en Inglés | MEDLINE | ID: mdl-10215442

RESUMEN

Four cases of clinical Stage I endometrial carcinoma initially treated with hormonal therapy are included in this study. Three of them resulted in tumor regression and two of them permitted a subsequent three pregnancies. All patients are alive and without evidence of disease with a median follow-up of 35.7 months (range 17 to 72 months). We believe this is a promising approach through which we may be able to offer a conservative treatment maintaining high survival rates and preserving childbearing potential. Diagnostic and therapeutic data for fertility-desiring patients with endometrial carcinoma are analyzed in this study.


Asunto(s)
Adenocarcinoma/tratamiento farmacológico , Antineoplásicos Hormonales/uso terapéutico , Neoplasias Endometriales/tratamiento farmacológico , Acetato de Medroxiprogesterona/uso terapéutico , Adenocarcinoma/patología , Adulto , Biopsia con Aguja , Neoplasias Endometriales/patología , Femenino , Estudios de Seguimiento , Humanos , Estadificación de Neoplasias , Resultado del Tratamiento
8.
Medicina (B Aires) ; 49(6): 583-8, 1989.
Artículo en Español | MEDLINE | ID: mdl-2487431

RESUMEN

Eight cases of breast carcinoma coexisting with fibroadenoma were retrieved from the files of the Division of Pathology from 1957 to 1987. In 3 patients (Group I) the lesion was within the fibroadenoma and in the remaining 5 patients, adjacent to it (Group II: synchronic carcinomas). All patients were females. During the same period, 987 fibroadenomas and 2004 carcinomas were diagnosed: 0.30% of the fibroadenomas developed carcinoma within the epithelial component and 0.15% of the carcinomas originated in the fibroadenoma's epithelium. The mean age was 39 years for in situ lesions and 45.5 years for infiltrating carcinoma with a general mean age of 43.3 years, 20 years older than the peak age of fibroadenoma. In Group I, there were 3 in situ lesions, 1 lobular and 3 ductal (Table 1). Two of the three patients had another coexisting gynecologic malignancy. In Group II all cases had infiltrating carcinomas, one lobular, 3 ductal and 1 mixed lobular and ductal (Table 1). The adjacent breast tissue showed associated pathology in all cases: multiple fibroadenomas, fibrocystic diseases, sclerosing adenosis, infiltrating ductal carcinoma and/or lobular hyperplasia. Different hypotheses from the literature were analysed concerning an association between carcinoma and fibroadenoma. A casual association is suggested by the low percentage of carcinomas developing in fibroadenomas as well as the low percentage of carcinomas originating from fibroadenomas.


Asunto(s)
Adenofibroma/patología , Neoplasias de la Mama/patología , Carcinoma in Situ/patología , Neoplasias Primarias Múltiples/patología , Adulto , Femenino , Humanos , Persona de Mediana Edad , Estudios Retrospectivos
9.
Medicina (B Aires) ; 56(1): 35-40, 1996.
Artículo en Español | MEDLINE | ID: mdl-8734928

RESUMEN

Nuclear grade is considered a valuable prognostic factor in mammary carcinomas. Since the histological diagnosis of most of these tumors is made by "non expert" pathologists, it was considered interesting to find out the reproducibility of general pathologists to define the nuclear grade. In order to do this, a series of 15 mammary carcinomas, 10 of them randomly selected and 5 because they were considered difficult to classify for nuclear grade, were examined separately by 10 general pathologists. In a first round of observation, each one of them graded the cases according to their own criteria as used routinely, and for a second round they followed a written guide. An analysis of variance was applied to the data and no significant differences were found between observers, neither in the randomly selected cases nor in the total series. The written guide, surprisingly, instead of lowering the differences, increased them. Analysis of the individual performance of observers showed two of them having a great variation between both rounds of observation, and this was considered to influence the results of the whole group. Interobserver performance to discriminate high grade tumors (G3) from the rest, showed a good correlation in all the participants. These results allow us to conclude that in this series, examined by general pathologists, an acceptable reproducibility was observed, specially when high risk tumors were being identified.


Asunto(s)
Neoplasias de la Mama/patología , Núcleo Celular/patología , Análisis de Varianza , Femenino , Humanos , Variaciones Dependientes del Observador , Reproducibilidad de los Resultados
10.
Diagn Cytopathol ; 42(5): 396-400, 2014 May.
Artículo en Inglés | MEDLINE | ID: mdl-24166879

RESUMEN

This study assessed the utility and limitations of anal cytology as a screening method for women infected with human papilloma virus (HPV) in the lower genital tract. Furthermore, this study aimed to establish risk factors for pathological anal cytology/biopsy findings, the prevalence of anatomopathological lesions associated with positive anal brushings, and the frequency of concomitant lesions of the lower genital tract. A cross-sectional, retrospective, descriptive study in 207 women with HPV-associated lesions of the lower genital tract and 25 women with immunosuppression was carried out. Anal cytology, high resolution anoscopy, and biopsy of suspicious lesions were performed. In total, 232 anal brushings were performed: 184 (79.3%) were negative, 24 (10.34%) showed atypical squamous cells of undeterminated significance, 18 (7.7%) showed low-grade squamous intraepithelial lesions, and 6 (2.6%) showed high-grade squamous intraepithelial lesion. Cytohistological correlation was obtained for 70 cases. The sensitivity of anal cytology in detecting intraepithelial lesions was 70%, whereas the specificity was 93%. The sensitivity of the method for detecting high-grade lesions (84%) was higher, than that for detecting low-grade lesions (66%). The most frequently associated pathology was vulvar lesion. It is important to perform anal brushings in women who have had lower genital tract biopsies for HPV-associated lesions due to the high prevalence of anal lesions in such patients. Anal cytology is useful for detecting high-grade lesions but the sensitivity for detecting low-grade lesions is low. It is of the utmost importance to perform high-resolution anoscopy and biopsy in women with suspicious lesions in order to confirm the pathology.


Asunto(s)
Neoplasias del Ano/diagnóstico , Inmunohistoquímica/estadística & datos numéricos , Neoplasias de Células Escamosas/diagnóstico , Infecciones por Papillomavirus/diagnóstico , Neoplasias de la Vulva/diagnóstico , Adolescente , Adulto , Anciano , Canal Anal/inmunología , Canal Anal/patología , Neoplasias del Ano/inmunología , Neoplasias del Ano/patología , Células Escamosas Atípicas del Cuello del Útero , Biopsia , Estudios Transversales , Femenino , Humanos , Terapia de Inmunosupresión , Persona de Mediana Edad , Neoplasias de Células Escamosas/inmunología , Neoplasias de Células Escamosas/patología , Papillomaviridae/patogenicidad , Infecciones por Papillomavirus/inmunología , Infecciones por Papillomavirus/patología , Estudios Retrospectivos , Sensibilidad y Especificidad , Neoplasias de la Vulva/inmunología , Neoplasias de la Vulva/patología
11.
Biotech Histochem ; 87(4): 257-64, 2012 May.
Artículo en Inglés | MEDLINE | ID: mdl-22149264

RESUMEN

It has been shown that infection with high-risk human papillomaviruses (HR-HPV) is related to the development of cervical cancer. The persistence of the virus in intra-epithelial lesions of cervix uteri (SILs) is the basis for the application of HPV testing for screening and management of patients. Most infections by HR-HPVs resolve spontaneously, however, and do not progress to dysplasia or cancer. p16INK4a is a useful biomarker of cervical intra-epithelial neoplasia and could be a marker for the progression of low-grade squamous intra-epithelial lesions (LSILs) to high-grade squamous intra-epithelial lesions (HSILs), because it correlates independently with increasing SIL grade. We conducted a preliminary histological study of 28 patients diagnosed with LSIL, HSIL or nondysplastic epithelium (NDE) from whom 28 biopsies of uterine cervix and 28 endocervical brushed biopsies were taken. Argyrophilic nucleolar organizer region (AgNOR) and p16INK4a assays were performed on the biopsies, and endocervical brushings were used for HPV typing. The high risk HPV group showed that the number of patients with AgNOR areas greater than 3.3 µm(2) and with expression of p16INK4a were statistically greater than the number of lower risk patients. None of the biopsies of LR-HPV carriers expressed p16 and AgNOR areas> 3.3 µm(2) simultaneously. Four LSILs and the NDE of this group expressed neither of the two markers. If the correlation between AgNOR areas and p16INK4a is good, we may be able to develop a low cost simple technology for studying patients infected with HR-HPV and diagnosed with LSIL of uncertain behavior.


Asunto(s)
Antígenos Nucleares/metabolismo , Carcinoma de Células Escamosas/patología , Carcinoma de Células Escamosas/virología , Inhibidor p16 de la Quinasa Dependiente de Ciclina/metabolismo , Papillomaviridae/fisiología , Displasia del Cuello del Útero/patología , Displasia del Cuello del Útero/virología , Biomarcadores de Tumor/metabolismo , Femenino , Humanos , Inmunohistoquímica/economía , Papillomaviridae/aislamiento & purificación
12.
Gynecol Oncol ; 82(1): 32-9, 2001 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-11426959

RESUMEN

OBJECTIVE: The aim of this study was to analyze diagnostic criteria, response to chemotherapy, rate and site of relapse, and overall survival (OS) in neuroendocrine cervical carcinoma. METHODS: Twenty patients were included. Stage was Ia(2) in 1 case, Ib(1) in 4, Ib(2) in 4, II in 5, IIIb in 2, IVa in 2, and IVb in 2. Patients with stage Ib(2) or greater received neoadjuvant chemotherapy (NCH). Eighteen patients were operated on. Immunohistochemistry was performed on the surgical specimens. Statistical analysis included the Kaplan-Meier method and the chi(2) and log-rank tests. RESULTS: The response to NCH was <50% in 2/13 cases (15.3%), >50% in 9/13 (69.4%), and complete in 2/13 (15.3%). Cytokeratin was positive in 17/18 cases, neuron-specific enolase in 15/18, chromogranin in 9/18, and synaptophysin in 8/18. Tumor was pure in 12 cases. Two cases had simultaneous ovarian carcinoma. Positive nodes were observed in 9/20 pts (45%). Tumors <4 cm had no recurrences. Pure tumors >4 cm had distant relapses (6/11). Mixed tumors >4 cm had 2/6 pelvic and 3/6 lung metastases. OS was 39%. When the initial tumor volume was <4 cm OS was 76%, and it was 18% for tumors >4 cm (P < 0.05). OS was 58% when the residual tumor after NCH was <2 cm and 21% when it was >2 cm (P < 0.05). When the tumor was pure OS was 54% and 19% when it was mixed (P < 0.05). OS was 72% among pts with negative nodes and 11% for those with positive nodes (P < 0.01). CONCLUSIONS: (1) Stage IV was frequent (20%); (2) Response to NCH was high; (3) The pattern of relapse differs for mixed tumors; (4) For tumors <4 cm outcome is similar to that of squamous carcinoma.


Asunto(s)
Carcinoma Neuroendocrino/diagnóstico , Carcinoma Neuroendocrino/tratamiento farmacológico , Neoplasias del Cuello Uterino/diagnóstico , Neoplasias del Cuello Uterino/tratamiento farmacológico , Adulto , Anciano , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Carcinoma Neuroendocrino/clasificación , Carcinoma Neuroendocrino/mortalidad , Quimioterapia Adyuvante , Supervivencia sin Enfermedad , Femenino , Cirugía General , Humanos , Persona de Mediana Edad , Recurrencia Local de Neoplasia/diagnóstico , Estadificación de Neoplasias , Pronóstico , Radioterapia Adyuvante , Tasa de Supervivencia , Neoplasias del Cuello Uterino/clasificación , Neoplasias del Cuello Uterino/mortalidad
13.
Int J Gynecol Cancer ; 13(4): 555-7, 2003.
Artículo en Inglés | MEDLINE | ID: mdl-12911739

RESUMEN

Metastases to the uterine cervix are infrequent(1-3). Except for cases of endometrial primary carcinoma, the most common origin of neoplastic dissemination to the uterine cervix is the ovary, followed by the breast(1,2). Primary gastrointestinal tumors are rare, and in most of these cases cervical metastases are associated with adnexal bilateral masses (Krukenberg's tumors)(1).


Asunto(s)
Lesión Renal Aguda/diagnóstico , Adenocarcinoma/secundario , Neoplasias Gástricas/patología , Obstrucción Ureteral/diagnóstico , Neoplasias del Cuello Uterino/secundario , Lesión Renal Aguda/etiología , Lesión Renal Aguda/terapia , Adenocarcinoma/cirugía , Adulto , Biopsia con Aguja , Progresión de la Enfermedad , Resultado Fatal , Femenino , Gastroscopía/métodos , Humanos , Inmunohistoquímica , Medición de Riesgo , Neoplasias Gástricas/cirugía , Obstrucción Ureteral/etiología , Obstrucción Ureteral/terapia , Neoplasias del Cuello Uterino/patología , Neoplasias del Cuello Uterino/cirugía
14.
Gynecol Oncol ; 26(3): 331-9, 1987 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-3030906

RESUMEN

Thirty cases of vulvar intraepithelial neoplasia (VIN) were analyzed in order to determine the frequency of association with human papillomavirus (HPV) infection, and the relationship between this association and patient's age, extent of vulvar lesions, and coexistence with cervicovaginal neoplasia. The presence of condyloma or moderate to marked koilocytosis, now considered as morphological evidence of HPV infection, was observed in 66.6% of our cases. A search for HPV antigens, using the peroxidase-antiperoxidase (PAP) method, was performed in 13 selected cases, and positive staining was detected in 3 of them. The presence of HPV infection correlates with a mean age of 48.8 years, 50% of multicentricity of VIN and coexistence with cervical neoplasia in 30% of the cases, as opposed to a mean age of 55.5 years, 10% of multicentricity of VIN and absence of cervical neoplasia in patients without HPV infection. The demonstration of multiple foci of early stromal invasion in a 43-year-old woman, with multicentric VIN lesions associated with HPV infection, indicates that, even in the presence of such clinicopathological features, the risk of developing stromal invasion should be considered. Considerations are made in relation with the presence of HPV antigen in morphological normal epithelium adjacent to the lesion. Therapeutic implications were also investigated.


Asunto(s)
Lesiones Precancerosas/patología , Infecciones Tumorales por Virus/patología , Neoplasias de la Vulva/patología , Adulto , Antígenos Virales/análisis , Femenino , Histocitoquímica , Humanos , Técnicas para Inmunoenzimas , Persona de Mediana Edad , Neoplasias Primarias Múltiples/patología , Papillomaviridae/inmunología , Infecciones Tumorales por Virus/complicaciones , Neoplasias del Cuello Uterino/complicaciones , Neoplasias del Cuello Uterino/patología , Neoplasias de la Vulva/complicaciones
15.
Gynecol Oncol ; 32(3): 360-4, 1989 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-2920958

RESUMEN

Twenty-eight patients with squamous carcinoma of the cervix FIGO stage Ib were treated with three courses of neoadjuvant chemotherapy with a VBP modified scheme. Clinical responses showed that the percentage of complete and moderate responses exceeds 95% of the cases. Clinical response was also related to tumor bulk measurement by ultrasound scanning. Twenty-three of the patients were then subjected to the Wertheim-Meigs operation. Pathological findings of surgical specimens showed absence of residual lesion in 6 patients (26.1%) and carcinoma smaller than 0.5 cm in 5 patients (21.7%). Tumor response to neoadjuvant chemotherapy was excellent in NG3, MG3 tumors when lymphoplasmomonocytic infiltration was present. In accord with this result a new protocol was developed.


Asunto(s)
Carcinoma de Células Escamosas/cirugía , Neoplasias del Cuello Uterino/cirugía , Carcinoma de Células Escamosas/tratamiento farmacológico , Carcinoma de Células Escamosas/patología , Terapia Combinada , Femenino , Humanos , Métodos , Neoplasias del Cuello Uterino/tratamiento farmacológico , Neoplasias del Cuello Uterino/patología
16.
Gynecol Oncol ; 31(2): 256-61, 1988 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-2458992

RESUMEN

Results of a Phase II trial with neoadjuvant chemotherapy in carcinoma of the cervix uteri (VBP modified scheme) show that 85.7% of patients given this therapy were NED in Stage IIb versus 54% of a nonrandomized control group given conventional therapy. In Stage IIIb the averages are 66.6% vs. 31% in the control group. Analysis of the ecographic data has shown that if a critical prechemotherapy volume (120 cm3) is exceeded, the prognosis is unfavorable, especially in cases treated with radiotherapy as second-line treatment.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Recurrencia Local de Neoplasia , Neoplasias del Cuello Uterino/tratamiento farmacológico , Bleomicina/administración & dosificación , Cisplatino/administración & dosificación , Ensayos Clínicos como Asunto , Terapia Combinada , Femenino , Humanos , Estadificación de Neoplasias , Pronóstico , Neoplasias del Cuello Uterino/patología , Neoplasias del Cuello Uterino/radioterapia , Neoplasias del Cuello Uterino/cirugía , Vinblastina/administración & dosificación
17.
Gynecol Oncol ; 49(2): 156-65, 1993 May.
Artículo en Inglés | MEDLINE | ID: mdl-7684993

RESUMEN

A prospective randomized trial was carried out in patients with squamous carcinoma of the cervix uteri, stage Ib bulky. The protocol considers two arms: the control group (75 patients) and the neoadjuvant one (76 patients). All the patients were classified according to the FIGO staging system and in order to determine the tumor size objectively, an ultrasound scanning was done. After this a Wertheim-Meigs operation followed by adjuvant whole-pelvis irradiation was performed. In the neoadjuvant group the same procedures were carried out but three courses of chemotherapy with the "quick" VBP scheme were given before the treatment. The new therapeutic strategy proved to be very useful in bulky tumors in which the clinical examination showed a cervix increased in size and the ultrasound scanning a volume larger than 60 c.c. (> 4 x 4 x 4 cm). In those cases statistically significant differences were found between both groups when free disease interval and survival were considered. These were due to the fact that operability has been improved and the parametrial extension has been decreased as well as other risk factors such as vascular embolism, lymph node involvement, tumor-cervix quotient, and tumor volume. The use of this new strategy is not justified in small tumors (< 3-4 cm in diameter) because in those cases, survival is not improved with neoadjuvant therapy.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Carcinoma de Células Escamosas/tratamiento farmacológico , Neoplasias del Cuello Uterino/tratamiento farmacológico , Adulto , Anciano , Bleomicina/administración & dosificación , Carcinoma de Células Escamosas/mortalidad , Carcinoma de Células Escamosas/radioterapia , Carcinoma de Células Escamosas/cirugía , Quimioterapia Adyuvante/efectos adversos , Cisplatino/administración & dosificación , Femenino , Humanos , Persona de Mediana Edad , Estadificación de Neoplasias , Estudios Prospectivos , Tasa de Supervivencia , Neoplasias del Cuello Uterino/mortalidad , Neoplasias del Cuello Uterino/radioterapia , Neoplasias del Cuello Uterino/cirugía , Vincristina/administración & dosificación
18.
Gynecol Oncol ; 39(1): 34-9, 1990 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-1699852

RESUMEN

One hundred and sixty-nine patients with squamous cancer of the cervix uteri treated with three courses of neoadjuvant chemotherapy with the modified VBP scheme are presented. All were subjected to a Wertheim-Meigs operation with paraaortic lymph-adenectomy. The incidence of lymph node metastases is analyzed according to clinical stage, tumor volume, residual tumor in the surgical specimen, and clinical response to neoadjuvant chemotherapy. A significant decrease in the incidence of lymph node involvement was observed in good responders. Survival rates, after 2 years of follow-up, improved in those cases with small residual tumor, negative parametria, and negative nodes.


Asunto(s)
Metástasis Linfática , Neoplasias del Cuello Uterino/patología , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Bleomicina/uso terapéutico , Cisplatino/uso terapéutico , Femenino , Humanos , Pronóstico , Tasa de Supervivencia , Neoplasias del Cuello Uterino/tratamiento farmacológico , Neoplasias del Cuello Uterino/mortalidad , Vinblastina/uso terapéutico
19.
Gynecol Oncol ; 67(1): 61-9, 1997 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-9345358

RESUMEN

OBJECTIVE: To determine if three courses consisting of 50 mg/m2 cis-platinum, 1 mg/m2 vincristine, and 25 mg/m2 bleomycin (day 1-3) at 10-day intervals can improve survival before Wertheim-Meigs + radiotherapy. MATERIAL: Two hundred five unselected stage Ib patients (having tumors > 2 cm in diameter) were divided into two groups at random: (1) The group control consisted of 103 patients (56 bulky, > 4 cm diameter) treated with Wertheim-Meigs (if the tumor was resectable with free surgical margins) + adjuvant radiotherapy to whole pelvis (extended field radiation was used only in patients with paraaortic lymph node metastases). When the tumor was unresectable, a surgical staging was performed and radiotherapy was the chosen treatment. (2) Neoadjuvant (102 patients, 61 bulky) had neoadjuvant chemotherapy and then the same treatment as the control patients. RESULTS: After 67 (31-102) months of follow-up, no difference was seen in tumors > 2 and < 4 cm in both groups (C = 77% vs N = 82%), but statistically significant differences were seen in survival and disease-free survival, in bulky tumors, and between patients with neoadjuvant chemotherapy + Wertheim-Meigs + radiotherapy (80%) and the control (61%). This was due to an increased operability that was substantially improved in bulky tumors in the neoadjuvant chemotherapy group (61/61, 100%) vs control (48/56, 85%; P < 0.01). After 7 years of follow-up, the outcome of the unresectable bulky control group of patients is significantly worse (14%) than that of the resectable group (69%; P < 0.001). With regard to recurrences, a significant decrease in pelvic failures in the neoadjuvant chemotherapy group was observed (P < 0.001). Survival was improved in bulky resectable cases (N = 81% vs C = 69%, P < 0.05). Pathological findings for the surgical specimens revealed differences between both groups because all the risk factors such as parametrial and lymph node metastases, tumor bulk, and vascular embolism had been decreased (P < 0.001). CONCLUSION: Neoadjuvant chemotherapy can improve survival because of increased operability with free survival margins and a decrease in pathologic risk factors in unselected, bulky (> 4 cm diameter) stage Ib patients.


Asunto(s)
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Carcinoma de Células Escamosas/tratamiento farmacológico , Carcinoma de Células Escamosas/cirugía , Neoplasias del Cuello Uterino/tratamiento farmacológico , Neoplasias del Cuello Uterino/cirugía , Adulto , Anciano , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Bleomicina/administración & dosificación , Carcinoma de Células Escamosas/radioterapia , Quimioterapia Adyuvante , Cisplatino/administración & dosificación , Terapia Combinada , Femenino , Estudios de Seguimiento , Humanos , Persona de Mediana Edad , Recurrencia Local de Neoplasia , Estadificación de Neoplasias , Estudios Prospectivos , Radioterapia Adyuvante , Factores de Tiempo , Neoplasias del Cuello Uterino/radioterapia , Vincristina/administración & dosificación
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