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Malignant Potential of Gallbladder Polyps: Do they all have Surgical Indication?

Introduction: Gallbladder polyps (PV) are mucosal lesions that protrude into the lumen of the gallbladder. Most patients are diagnosed incidentally because they are asymptomatic. The presence of PV is a known risk factor for gallbladder cancer. According to the guidelines, cholecystectomy is recommended, which leads to unnecessary resection in one-third of patients, as the PV subsequently proves to be benign. T...

Median Arcuate Ligament Syndrome (Dunbar Syndrome): The Importance of the Pre-O...

The median arcuate ligament syndrome, also known as Dunbar syndrome, is caused by stenosis of the celiac trunk due to compression by diaphragmatic fibres. The incidence of this condition remains unclear and its clinical presentation is multifarious. Diagnosis is established by angio-computed tomography to determine the extent of stenosis and the existence or not of collateral circulation. Surgical intervention ...

Laparoscopic Single Anastomosis Duodenal-Ileal Bypass With Sleeve (Sadis-S): A ...

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Comparison between the open and the laparoscopic approach in the primary ventra...

Background: Ventral hernia repair underwent various developments in the previous decade. Laparoscopic primary ventral hernia repair may be an alternative to open repair since it prevents large abdominal incisions. However, whether laparoscopy improves clinical outcomes has not been systematically assessed. Objectives: The aim is to compare the clinical outcomes of the laparoscopic versus open approach of primar...

The Implementation of a PIPAC (Pressurized Intraperitoneal Aerosol Chemotherapy...

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DEFUNCTIONING LOOP ILEOSTOMY IN RECTAL CANCER SURGERY: THE EXPERIENCE OF A REFE...

Introduction: In rectal surgery, protective ileostomy is frequent to minimize the impact of anastomotic dehiscence. Despite the temporary intent, a significant proportion of stomas become permanent. The objective of this study is to determine which factors are associated with a lower probability of closure of a protective ileostomy after rectal resection surgery. Methods:  An observational, retrospective, ...

O modelo de barras como uma representação pictórica de apoio à resolução de pro...

O modelo de barras é uma marca do conhecido método de Singapura, que tem sido amplamente aplicada em muitos países. Neste artigo, procura-se explicitar o potencial didático do modelo de barras na promoção da compreensão de conceitos e procedimentos fundamentais da Matemática Elementar, no contexto da resolução de problemas aritméticos, ou seja, de problemas que se baseiam nas quatro operações aritméticas. Atrav...

HELLER-DOR PROCEDURE: THE SURGICAL OPTION IN ACHALASIA

Molecular Staging of Patients with Colon Cancer. The C-Closer-II Study: A Multi...

Introduction: Approximately 20% - 30% of histological lymph node-negative patients with colorectal cancer relapse at five years after surgical treatment. This recurrence is likely due to occult nodal disease undetected by standard histopathological practice which has implications in terms of the clinical management of patients.Material and Methods: Lymph nodes were collected from colectomy specimens. A central ...

Phenotypic Heterogeneity by Germline Mismatch Repair Gene Defect in Lynch Syndr...

Introduction: Lynch syndrome is the most common form of hereditary colorectal cancer, being also responsible for endometrial and other types of cancers. It is associated with germline mutations in DNA mismatch repair genes and microsatellite instability. MLH1 and MSH2 mutations have a “classical” Lynch syndrome phenotype, with MSH2 having a higher association with extracolonic cancer. MSH6 and PMS2 mutations ha...