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1.
Cureus ; 16(5): e59448, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38826993

RESUMO

This case report highlights an uncommon presentation of small bowel lymphoma as gastrointestinal bleeding in an 87-year-old female with a history of ulcerative colitis. Despite non-specific symptoms and negative findings on upper endoscopy and colonoscopy, ileoscopy revealed a distal ileal mass with a solitary non-bleeding ulcer, confirmed by biopsy as diffuse large B-cell lymphoma (DLBCL). The patient opted for palliative management. Small intestinal lymphomas, particularly DLBCL, pose diagnostic challenges due to their varied presentations. Timely detection is crucial for optimal outcomes, emphasizing the importance of prompt utilization of diagnostic methods in suspected cases.

2.
Cureus ; 16(4): e59154, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38803714

RESUMO

Solitary necrotic nodules in the liver present a diagnostic challenge due to their rarity and resemblance to metastatic tumors. We report a case where imaging revealed multiple hepatic lesions suggestive of malignancy, prompting a needle biopsy. Histopathology confirmed necrosis without malignancy. Despite advancements in imaging modalities, distinguishing solitary necrotic nodules from metastases remains difficult. Recognition of characteristic imaging features and consideration of biopsy are crucial for accurate diagnosis and management. This case underscores the importance of thorough evaluation and differential diagnosis in liver lesions to prevent unnecessary surgical interventions and ensure appropriate clinical care.

3.
Cureus ; 16(4): e58725, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38779294

RESUMO

We present a case of a 58-year-old male with a rare duodenal carcinosarcoma causing gastric outlet obstruction. Despite its aggressive nature and poor prognosis, with only 12 documented cases in the literature, this report sheds light on the clinical presentation and challenges in diagnosis and treatment. Carcinosarcoma, characterized by both carcinomatous and sarcomatous elements, poses difficulties in management due to its diverse tissue characteristics. Surgical resection remains the primary treatment, although the prognosis remains grim, emphasizing the need for further research into advanced therapeutic strategies to improve patient outcomes. This case underscores the rarity and clinical complexities associated with duodenal carcinosarcomas.

4.
Updates Surg ; 2024 May 18.
Artigo em Inglês | MEDLINE | ID: mdl-38762631

RESUMO

BACKGROUND: Epithelial-mesenchymal transition (EMT) is a key step in the development of colorectal cancer (CRC) that confers metastatic capabilities to cancer cells. The present study aimed to assess the immunohistochemical (IHC) expression and impact of EMT markers, including E-cadherin, Vimentin, ß-catenin, and SMAD4, on the oncologic outcomes of CRC. METHODS: This was a retrospective review of 118 CRC patients. Tissue slides were retrieved from the slide archive and five tissue microarray construction blocks were constructed. IHC for E-cadherin, Vimentin, ß-catenin, and SMAD4 was done. The main outcome was the association between abnormal marker expression and overall survival (OS), and disease-free survival (DFS). RESULTS: Adenocarcinomas accounted for 71.2% of tumors, whereas 25.4% and 3.4% were mucinous and signet ring cell carcinomas. The rates of lymphovascular invasion and perineural invasion were 72.9% and 20.3%, respectively. There was a positive, significant correlation, and association between the four markers. Abnormal expression of E-cadherin was associated with significantly lower OS (p < 0.0001) and similar DFS (p = 0.06). Abnormal Vimentin expression was associated with a significantly higher rate of distant metastasis (p = 0.005) and significantly lower OS and DFS (p < 0.0001). Abnormal expression of ß-catenin was associated with significantly lower OS (p < 0.0001) and similar DFS (p = 0.15). Abnormal expression of SMAD4 was associated with significantly lower OS and DFS (p < 0.0001). Abnormal expression of all four markers was associated with a higher disease recurrence, lower OS, and lower DFS. CONCLUSION: Abnormal expression of each marker was associated with lower OS, whereas abnormal expression of Vimentin and SMAD4 only was associated with lower DFS.

5.
Ann Hematol ; 2024 May 07.
Artigo em Inglês | MEDLINE | ID: mdl-38710877

RESUMO

Acute myeloid leukemia (AML) shows multiple chromosomal translocations & point mutations which can be used to refine risk-adapted therapy in AML patients. Ecotropic viral integration site-1 (EVI-1) & myocyte enhancer factor 2 C gene (MEF2C) are key regulatory transcription factors in hematopoiesis and leukemogenesis & both drive immune escape. This prospective study involved 80 adult de novo AML patients recruited from Oncology Center, Mansoura University, between March 2019 and July 2021. The MEF2C and EVI1 expression were measured using a Taqman probe-based qPCR assay. The results revealed that EVI1 and MEF2C expression were significantly elevated in AML patients as compared to control subjects (p = 0.001. 0.007 respectively). Aberrant expressions of EVI1 and MEF2C showed a significant negative correlation with hemoglobin levels (p = 0.034, 0.025 respectively), & bone marrow blasts (p = 0.007, 0.002 respectively). 11q23 translocation was significantly associated with EVI1 and MEF2C (p = 0.004 and 0.02 respectively). Also, t (9;22) was significantly associated with EVI1 and MEF2C (p = 0.01 and 0.03 respectively), higher expression of EVI1 and MEF2C were significantly associated with inferior outcome after induction therapy (p = 0.001 and 0.018 respectively) and shorter overall survival (p = 0.001, 0.014 respectively). In conclusion, EVI1 & MEF2C were significantly expressed in AML cases. EVI1 & MEF2C overexpression were significantly associated with 11q23 rearrangements and t (9;22) and were indicators for poor outcome in adult AML patients; These results could be a step towards personalized therapy in those patients.

6.
J Robot Surg ; 18(1): 128, 2024 Mar 16.
Artigo em Inglês | MEDLINE | ID: mdl-38492131

RESUMO

Robotic flexible ureteroscopy (RFURS) has shown encouraging results in terms of stone free rate (SFR) and better ergonomics compared to conventional FURS. However, few studies have reported its outcomes. The goal of this study was to report our initial results of RFURS, furthermore we proposed a novel metrics for composite outcome reporting named tetrafecta. A retrospective analysis of electronic records of 100 patients treated with RFURS for renal stones between 2019 till 2023 was performed. Tetrafecta criteria included, complete stone removal after a single treatment session, without auxiliary procedures, absence of high-grade complications (GIII-V) and same-day hospital discharge. Mean patient age and stone size were 40.7 ± 9.2 and 11.7 ± 5.8 mm, respectively. Median stone volume was 916 (421-12,235) mm3. Twenty-eight patients had multiple renal stones. Staghorn stones were seen in 12 patients. Preoperative DJ stent was fixed in 58 patients. Median operative time and stone treatment time were 116 min (97-148) and 37 (22-69) min. The median stone treatment efficiency (STE) was 21.6 (8.9-41.6). A strong positive correlation between stone volume and STE (R = 0.8, p < 0.0001). Overall, 73 patients were stone free after the initial treatment session while tetrafecta was achieved in 70 patients. Univariate analysis showed that the stone size (p = 0.008), acute infundibulopelvic angle (p = 0.023) and preoperative stenting (p = 0.017) had significant influence on achieving tetrafecta. Multivariate analysis identified preoperative stenting (OR 0.3, 95% CI 0.1-0.8, p = 0.019) as the only independent predictor of tetrafecta achievement. A comprehensive reporting methodology for reporting outcomes of RFURS is indicated for patient counseling and comparing different techniques. Tetrafecta was achieved in 70% of cases. Presence of significant residual stones ≥ 3mm was the leading cause of missing tetrafecta. Absence of preoperative stent was the only predictor of missing tetrafecta.


Assuntos
Cálculos Renais , Procedimentos Cirúrgicos Robóticos , Humanos , Ureteroscopia/métodos , Procedimentos Cirúrgicos Robóticos/métodos , Estudos Retrospectivos , Resultado do Tratamento , Cálculos Renais/cirurgia
7.
Cureus ; 16(1): e51997, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38205087

RESUMO

Background and objectives Hepatocellular carcinoma (HCC) is a highly aggressive malignant tumor with a poor prognosis. It is currently the second most common cause of cancer-related mortality. Arctiin, a compound found in plants commonly used as a vegetable in Asian countries and as an ingredient in traditional European dishes, possesses various properties, including anti-proliferative, anti-senescence, anti-oxidative, anti-tumor, toxic, anti-adipogenic, and anti-bacterial effects. Our study aims to investigate the potential antitumor activity of arctiin against HCC in rats by inhibiting cell fibrosis and apoptosis. Methods Rats were induced with HCC by administering thioacetamide. Arctiin was orally administered to some rats twice a week for 16 weeks at a dose of 30 mg/kg. The liver impairment was evaluated by measuring serum α-fetoprotein (AFP) and examining liver sections stained with Masson trichrome or anti-hypoxia-induced factor-1α (HIF-1α) antibodies. The hepatic expression of messenger RNA and protein levels of HIF-1α, protein kinase C (PKC), extracellular signal-regulated kinase (ERK), ß-catenin, and mothers against decapentaplegic homolog 4 (SMAD4) were analyzed. Results Our study demonstrated that arctiin can potentially increase the survival rate of rats. This is achieved through a reduction in serum AFP levels and hepatic nodules. We also observed that arctiin has the ability to inhibit the formation of fibrotic tissues and necrotic nodules in HCC rats. Additionally, arctiin can significantly decrease the expression of HIF-1α, PKC, ERK, ß-catenin, and SMAD4. Conclusion Arctiin has demonstrated potential anti-tumor properties that could ameliorate HCC. Studies have shown that it may increase survival rates and reduce the number of tumors and AFP levels. Arctiin works by inhibiting HCC-induced hypoxia, thus blocking the expression of HIF-1α. It also helps to slow down tumor fibrosis by decreasing the expression of ß-catenin and SMAD4. Furthermore, arctiin has been found to downregulate PKC and ERK, reducing hepatic tissue apoptosis.

8.
J Cancer Res Clin Oncol ; 149(20): 17771-17780, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-37935936

RESUMO

PURPOSE: Assessment of individual VTE risk in cancer patients prior to chemotherapy is critical for determining necessity of interventions. Risk assessment models (RAM) are available but have not been validated for haematological malignancy. We aimed to assess the validity of the Vienna Cancer and Thrombosis Study (V-CATS) score in prediction of VTE in a variety of haematological malignancies. METHODS: This is a prospective cohort study conducted on 81 newly diagnosed cancer patients undergoing chemotherapy. Demographic, clinical and cancer related data were collected, patients were followed up for 6 months, and VTE events were recorded. Khorana score (KS) was calculated. Plasma D-dimer and sP-selectin were measured, and then, V-CATS score was calculated. Receiver operator curve (ROC) was used to assess the sensitivity and specificity of RAMs. A modified V-CATS was generated and subsequently assessed by using new cut-off levels of d-dimer and sP-selectin based on ROC curve of the patients' results and compared the probability of VTE occurrence using all three RAMs. RESULTS: Among the 81 patients included in this study, a total of 2.7% were diagnosed with advanced metastatic cancer. The most frequent cancer was non-Hodgkin lymphoma (39.5%), and 8 patients (9.8%) developed VTE events. The calculated probability of VTE occurrence using KS, V-CATS and modified V-CATS scores at cut-off levels ≥ 3 was 87.5%, 87.5% and 100%, respectively. The AUC in ROC curve of modified Vienna CATS score showed significant difference when compared to that of V-CATS and KS (P = 0.047 and 0.029, respectively). CONCLUSION: The findings of our study highlight the value of three VTE risk assessment models in haematological malignancies. The modified V-CATS score demonstrated higher specificity compared to both V-CATS and KS, while all three scores exhibited similar sensitivity. We encourage the implementation of RAMs in haematological cancers for an appropriate use of thromboprophylaxis.


Assuntos
Neoplasias Hematológicas , Neoplasias , Tromboembolia Venosa , Humanos , Tromboembolia Venosa/epidemiologia , Tromboembolia Venosa/etiologia , Fatores de Risco , Anticoagulantes , Estudos Prospectivos , Neoplasias/patologia , Medição de Risco , Neoplasias Hematológicas/complicações , Neoplasias Hematológicas/tratamento farmacológico , Selectinas , Estudos Retrospectivos
9.
ANZ J Surg ; 93(4): 907-910, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-36852905

RESUMO

BACKGROUND: The diagnosis of follicular carcinoma is often difficult to make on pathological analysis, as the histological distinction from follicular adenoma rests solely on the presence of capsular or vascular invasion. Even on retrospective review of the histopathology after the disease biology has declared itself as malignant, the pathological diagnosis of malignancy may not be possible to make. METHODS: We report three cases in which patients were initially diagnosed with benign follicular lesions, but re-presented with locally recurrent disease and a subsequent malignant disease course. RESULTS: We describe a rare entity of follicular thyroid carcinoma that demonstrates a locally recurrent and eventually metastatic disease phenotype, despite persistently benign pathological findings. CONCLUSION: We highlight that if local recurrence occurs in discrete anatomical tissue planes, or in the thyroid bed following open total thyroidectomy for 'benign multinodular goitre', the possibility of this rare presentation of follicular thyroid carcinoma should be considered.


Assuntos
Adenocarcinoma Folicular , Adenoma , Bócio , Neoplasias da Glândula Tireoide , Humanos , Neoplasias da Glândula Tireoide/diagnóstico , Neoplasias da Glândula Tireoide/cirurgia , Neoplasias da Glândula Tireoide/genética , Adenocarcinoma Folicular/diagnóstico , Adenocarcinoma Folicular/cirurgia , Adenocarcinoma Folicular/patologia , Adenoma/patologia , Tireoidectomia
10.
Eur J Trauma Emerg Surg ; 49(1): 253-260, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-35838771

RESUMO

PURPOSE: This study aimed to characterize 252 consecutive patients with an indication for major emergency abdominal surgery including patients not proceeding to surgery (No-Lap). Patients who do not proceed to major emergency abdominal surgery and their clinical outcomes are not well characterized in the existing literature. Triage criteria may vary between centers, potentially impacting reported outcomes. METHODS: A single-center prospective observational study in a high-volume Danish surgical center including 252 patients presenting with an indication for major emergent abdominal surgery was conducted from the 15th of October 2020 to the 15th of August 2021. The primary outcome was to estimate the prevalence of No-Lap patients. RESULTS: Overall, 21 patients (8.3%) of our total study cohort did not proceed to surgery. These patients were significantly older, more comorbid with higher ASA scores, poorer performance status, and were more likely to have bowel ischemia. Poor functional performance and surgeons' consideration of futile intervention were the main reasons for deferring surgery in all 21 patients. Overall, 30-day mortality was 95% for the No-LAP cohort, 9% for the LAP cohort, and 16% for the whole cohort, respectively. CONCLUSIONS: The No-LAP group selection process could be one of the main determinants of reported postoperative outcomes. Prospective international multi-center studies to characterize the entire cohort of patients eligible for emergency laparotomy including the No-LAP population are needed, as large variations in triage criteria and culture seem to exist. Trial registration Retrospectively registered.


Assuntos
Abdome , Triagem , Humanos , Estudos Prospectivos , Abdome/cirurgia , Laparotomia , Comorbidade
11.
Cureus ; 15(12): e51389, 2023 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-38292959

RESUMO

Acute colonic pseudo-obstruction or Ogilvie's syndrome is a disorder causing massive colonic dilation with no evidence of mechanical obstruction. The actual incidence of acute colonic pseudo-obstruction is unclear; However, electrolyte imbalance, psychiatric disorders, the use of medications such as anticholinergics or antipsychotics, and recent abdominal surgery are the most common predisposing factors associated with this syndrome. Ogilvie's syndrome is most likely caused due to impairment of the gut's motor system and an imbalance of the autonomic nervous system including a reduction in the activity of stimulatory neurotransmitters. The predisposition to psychotic disorders could be, in some instances, due to neurodevelopmental abnormalities of the brain and the gut's autonomic nervous system. The symptoms of Ogilvie's syndrome are similar to mechanical obstruction of the colon but no physical cause of obstruction is usually present. Ogilvie's syndrome can be managed conservatively; however, if left untreated, Ogilvie's syndrome can lead to bowel perforation, which is associated with a high mortality risk. Antipsychotics have been considered the cornerstone treatment for psychiatric disorders including schizophrenia. Even though they are highly effective in treating psychiatric illnesses, their usage carries multiple risks. Overall, constipation is a common side effect of antipsychotic medications with some classes posing more risk than others. Constipation can be severe and may lead to serious complications such as paralytic ileus, bowel ischemia, and death. We present here a case of delusional disorder managed with risperidone and complicated by intestinal pseudo-obstruction. This case reiterates the need to consider all complications of antipsychotic medications, even rare ones, and include them in the discussion with patients and their caregivers before commencement.

12.
Cureus ; 14(10): e30342, 2022 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-36407256

RESUMO

Fetus in fetu (FIF) is a rare congenital disorder in which a deformed fetus forms inside a normal one, mostly within the abdominal cavity. In this case study, we present a triplet pregnancy where one fetus was formed within a viable fetus. This was noted in prenatal imaging and upon delivery. Radiological investigations were conducted, including plain X-rays, abdominal computed tomography, and magnetic resonance imaging, and a preliminary case of FIF was diagnosed. Following this, surgical resection was planned and done soon after birth with histopathology confirmation of diagnosis, and it revealed no evidence of somatic malignancy. Currently, the patient is in stable condition and is being followed up with serial ultrasound imaging with alpha-fetoprotein levels to detect recurrence.

13.
Dig Endosc ; 34(6): 1245-1252, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-35258123

RESUMO

OBJECTIVE: Acute pancreatitis with walled-off necrosis (WON) is associated with considerable morbidity and mortality. Previous studies have evaluated outcomes in WON collections of limited size, while data about large WON with long-term follow-up are lacking. We aimed to report our experience in managing large WON. METHODS: Between 2010 and 2020, consecutive patients with large (>15 cm) WON were identified from a prospectively maintained database. Patients with chronic pancreatitis or an index intervention 90 days or more from the debut of symptoms were excluded. We registered clinical and technical outcomes following minimally invasive treatment in WON >15 cm. Follow-up was a minimum of 1 year. RESULTS: Overall, 144 patients with WON >15 cm, with a median age of 60 (interquartile range [IQR] 49-69) years, were included. The median WON size was 19.2 cm (IQR 16.8-22.1). Most patients were treated with endoscopic transluminal drainage (93%). The median length of stay was 53 days (IQR 39-76) and 61 (42%) patients needed intensive care support during their hospital stay. As 143 patients (99%) were managed using endoscopic or video-assisted retroperitoneal techniques, only one (0.7%) patient needed an open necrosectomy. Procedure-related adverse events occurred in 10 (7%) patients. Overall, 24 patients (17%) died during admission, all due to multiorgan failure. The median follow-up was 35 months (IQR 15-63.5). Complete resolution was achieved in all remaining patients. CONCLUSION: Minimally invasive treatment of large WON is feasible, with a minimal need for surgery and acceptable rates of morbidity and mortality.


Assuntos
Pancreatite Necrosante Aguda , Doença Aguda , Idoso , Estudos de Coortes , Drenagem/métodos , Humanos , Pessoa de Meia-Idade , Necrose/etiologia , Pancreatite Necrosante Aguda/complicações , Pancreatite Necrosante Aguda/cirurgia , Estudos Retrospectivos , Stents/efeitos adversos , Resultado do Tratamento
15.
Redox Rep ; 27(1): 9-20, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-35080474

RESUMO

OBJECTIVE: Genistein is a recognized isoflavone present in soybeans with antioxidant, anti-inflammatory, antiangiogenic and antitumor activities. This study aimed to test ability of genistein in modulating versican/platelet derived growth factor (PDGF) axis in HCC. METHODS: HCC was experimentally induced in male Sprague-Dawley rats then treated with 25 or 75 mg/kg genistein. Antioxidant activities of genistein was assessed by measuring the gene expression of Nrf2 and the hepatic levels of malondialdehyde (MDA), superoxide dismutase (SOD) and reduced glutathione. Expression of versican, PDGF, protein kinase C (PKC) and ERK-1 protein was assessed by Western blotting and immunostaining. RESULTS: HCC induced an elevation in oxidative stress, PDGF, versican, PKC and ERK protein expression levels. Genistein significantly reduced an HCC-induced increase in oxidative stress. Moreover, genistein dose-dependently reduced HCC-induced elevation of PDGF, versican, PKC and ERK protein expression levels. Moreover, genistein helped retain a normal hepatocyte structure and reduced fibrous tissue deposition, especially in high dose. CONCLUSIONS: Genistein exerted antitumor and antioxidant effects and therefore suppress HCC development via inhibition of the PDGF/versican bidirectional axis, suppressing both ERK1 and PKC as downstream regulators. Therefore, genistein is a potential novel therapeutic candidate for improving the outcome of patients with HCC.


Assuntos
Carcinoma Hepatocelular , Genisteína , Neoplasias Hepáticas , Estresse Oxidativo , Transdução de Sinais , Animais , Carcinoma Hepatocelular/induzido quimicamente , Carcinoma Hepatocelular/tratamento farmacológico , Genisteína/farmacologia , Neoplasias Hepáticas/induzido quimicamente , Neoplasias Hepáticas/tratamento farmacológico , Masculino , Fator de Crescimento Derivado de Plaquetas , Ratos , Ratos Sprague-Dawley , Tioacetamida , Versicanas
16.
Urol Oncol ; 39(12): 831.e1-831.e10, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34167872

RESUMO

BACKGROUND: The proposal of metformin as an anticancer drug has been explored in many types of cancers. Metformin may act synergistically with standard prostate cancer therapies. However, there is still a debate about the effect of metformin on hormone sensitive prostate cancer (HSPC). PATIENTS AND METHODS: randomized controlled trial. Eligible patients were high risk locally advanced or metastatic HSPC. Patients were randomly assigned to receive either metformin plus standard of care or standard of care alone. The primary endpoint was castration-resistant prostate cancer-free survival (CRPC-FS). The secondary endpoints were overall survival, PSA level and adverse events. RESULTS: A total number of 124 patients underwent randomization where 62 patients were allocated in each arm. Over a median follow up of 22 months, the CRPC-FS was significantly improved with metformin (29 months, 95% CI 25-33 vs. 20 months 95% CI 16-24; P = 0.01). After subgroup analysis, the addition of metformin improved the CRPC-FS in patients with high risk localized disease (median not reached vs. 25 months, 95% CI 18-31; P = 0.02) and in patients with metastatic low tumor volume disease (median not reached vs. 15 months, 95% CI 5-25; P = 0.009). No significant difference in overall survival or PSA response in both treatment arms (P = 0.1 and 0.5, respectively). Metformin was not associated with significant adverse events apart from grade II diarrhea. CONCLUSION: Metformin is a safe and low-cost drug. Combining with androgen deprivation therapy improves the outcome in locally advanced or metastatic prostate cancer. Patients with low volume metastatic prostate cancer seem to drive more benefit.


Assuntos
Metformina/uso terapêutico , Neoplasias da Próstata/tratamento farmacológico , Idoso , Idoso de 80 Anos ou mais , Humanos , Masculino , Metformina/farmacologia , Pessoa de Meia-Idade
17.
Asian Pac J Cancer Prev ; 22(5): 1547-1555, 2021 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-34048184

RESUMO

BACKGROUND: Myelodysplastic Syndromes (MDS)are clonal hematologic disorders characterized by genetic instability and ineffective hematopoiesis associated with telomere dysfunction. We aimed at investigating the association between the rs2242652 single nucleotide variant of the TERT gene and susceptibility for MDS, as well as its prognostic impact and relation to disease phenotype. METHODS: Genotyping analysis was carried on 100 MDS patients recruited at Mansoura Oncology center, in addition to 100 healthy subjects for detection of rs2242652 variant of TERT gene on chromosome 5 by real time PCR following the protocol of Custom TaqMan® SNP Genotyping. RESULTS: The rs2242652 TERT genetic polymorphism was associated with an increased risk of MDS (odds ratios 2.6 for genotype GA, 6.4 for genotype AA). The majority of AA homozygous mutant variant were associated pancytopenia (88%), poor risk cytogenetics (92%) and High/very high IPSS-R score (88%). At the end of follow-up (median 30 months), 14% of the cases transformed to secondary AML. The rate of leukemic transformation was significantly associated with the mutant AA genotype (93% of transformed cases, 52% of AA genotype cases; p < 0.0001). Survival outcome was inferior in AA mutant genotype (median 14 months, 95% CI: 12-16 months) to the GA genotype (median 30 months, 95% CI: 26-33 months) and those of the GG genotype (median not reached), p.


Assuntos
Biomarcadores Tumorais/genética , Predisposição Genética para Doença , Síndromes Mielodisplásicas/patologia , Polimorfismo de Nucleotídeo Único , Telomerase/genética , Adulto , Idoso , Estudos de Casos e Controles , Egito/epidemiologia , Feminino , Seguimentos , Genótipo , Humanos , Masculino , Pessoa de Meia-Idade , Síndromes Mielodisplásicas/epidemiologia , Síndromes Mielodisplásicas/genética , Prognóstico
18.
BMC Surg ; 21(1): 62, 2021 Jan 26.
Artigo em Inglês | MEDLINE | ID: mdl-33499844

RESUMO

BACKGROUND: In hospitalized patients, abnormal plasma electrolyte concentrations are frequent and have been linked to poor outcomes following acute surgery. The aim of this study was to assess whether preoperative plasma levels of potassium, sodium, and creatinine at the time of admission were associated with 30-day mortality in patients following open abdominal surgery. METHODS: This was a single-center register-based retrospective study. By means of electronic search in a maintained surgery database, all patients (n = 4177) aged ≥ 60 years old undergoing open surgery in our department from January 2000 to May 2013 were identified. Plasma was assessed within 30 days prior to surgery. The primary endpoint was 30-day postoperative mortality. The association between mortality and plasma levels of potassium, sodium, and creatinine were examined using Cox proportional hazard models. RESULTS: A total of 3690 patients were included in the study cohort. The rates of abnormal preoperative plasma levels were 36, 41, and 38% for potassium, sodium, and creatinine, respectively. The overall 30 day mortality was 20%. A predictive algorithm for 30 day mortality following abdominal surgery was constructed by means of logistic regression showing excellent distinction between patients with and without a fatal postoperative outcome. CONCLUSION: Apart from demographic factors (age, sex, and emergency surgery), preoperative imbalance in potassium, sodium and creatinine levels were significant independent predictors of early mortality following open abdominal surgery.


Assuntos
Abdome , Creatinina , Potássio , Sódio , Procedimentos Cirúrgicos Operatórios , Abdome/cirurgia , Estudos de Coortes , Creatinina/sangue , Humanos , Potássio/sangue , Cuidados Pré-Operatórios , Estudos Retrospectivos , Fatores de Risco , Sódio/sangue , Procedimentos Cirúrgicos Operatórios/mortalidade , Resultado do Tratamento
19.
Case Rep Urol ; 2021: 6611861, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33489409

RESUMO

In this case report we describe an unusual presentation of severe acute papillary necrosis in a COVID-19-positive patient. An emergency flexible ureteroscopy greatly helped in the establishment of the diagnosis. In the international literature, there is a paucity of intraoperative endoscopic images representing severe renal papillary necrosis. We present a case of severe acute renal papillary necrosis in a 49-year-old south-Asian, COVID-19-positive male patient who needed emergency urological intervention for macroscopic hematuria and urinary retention due to clot formation in the urinary bladder. The patient underwent emergency cystoscopy, clot evacuation, and by rigid and flexible ureteroscopy. The diagnosis was only confirmed in the postoperative period, retrospectively. Finally, the patient fully recovered due to the multidisciplinary management. Diagnosis of rare clinical entities can be sometimes challenging in the everyday routine practice. Having atypical clinical course, the surgeon should be prepared and sometimes must take responsible decisions promptly, even if needed intraoperatively, to manage unexpected findings in order to get the right diagnosis without compromising the patient's safety.

20.
Nutr Cancer ; 73(8): 1498-1510, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-32718197

RESUMO

Fucoidan is sulfated polysaccharide of brown seaweed. It offers various pharmacological actions like anti-inflammatory, anti-bacterial and anti-tumor activities. Therefore, we aimed to investigate the effect of targeting microRNA-143 and inflammatory pathway by Fucoidan on experimentally induced hepatocellular carcinoma (HCC) in rats. HCC is experimentally induced in Sprague Dawley by thioacetamide. Rats were treated with 100 mg/kg and 200 mg/kg Fucoidan. Hepatic sections were stained with hematoxylin/esosin for investigation of cell integrity. Moreover, hepatic sections were immunohistochemically stained with antibodies for ki67, TNF-α, and IL-1ß. Finally, hepatic tissues were investigated for expression of miR-143, NF-κB, TNF-α, and IL-1ß. We found that treating HCC with Fucoidan significantly reduced HCC-induced elevation in oxidative stress. Moreover, Fucoidan reduced HCC-induced in expression of miR-143, NF-κB, TNF-α, and IL-1ß. Finally, Fucoidan attenuated pseudohepatic lobules, broad fibrous septa and vacuolar to ballooning degeneration associated with reduction of immunostaining of ki67, TNF-α, and IL-1ß. Fucoidan elevated the survival of HCC rats and reduced their serum AFP. In addition, Fucoidan treatment revealed reduction in the expression of miR-143 associated with antioxidant and anti-inflammatory activities in HCC rats.


Assuntos
Carcinoma Hepatocelular , Neoplasias Hepáticas , MicroRNAs , Animais , Carcinoma Hepatocelular/tratamento farmacológico , Inflamação/tratamento farmacológico , Neoplasias Hepáticas/tratamento farmacológico , MicroRNAs/genética , NF-kappa B , Polissacarídeos/farmacologia , Ratos , Ratos Sprague-Dawley
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