Resolution of Bile Duct Adenoma over Follow-up Period; A Case Report.

Bile duct adenoma (BDA) is a rare neoplasm of bile ducts with various clinical manifestations and imaging appearances. A few cases of BDA and their predisposing factors have been described. We report a 35-year-old woman with right upper quadrant pain who consumed oral contraceptive pills.

Frequency and risk factors of primary sclerosing cholangitis among patients with inflammatory bowel disease in North-East of Iran.

Aim: To identify primary sclerosing cholangitis (PSC) predisposing factors in order to prevent inflammatory bowel disease (IBD) progression to PSC.

Background: IBD is commonly associated with PSC and there is no effective therapy for PSC except for liver transplantation.

Patients And Methods: This retrospective study was conducted on 447 IBD patients from IBD Clinics of Ghaem and Emam Reza Hospitals.

An epidemiological study of gastroesophageal reflux disease and related risk factors in urban population of mashhad, iran.

Background: Gastroesophageal Reflux Disease (GERD) is a chronic and common disease, which is characterized by heartburn and regurgitation. In the last couple of decades, GERD has received much attention and studies have shown an increase in its prevalence. Although there have been a few studies on the prevalence of GERD in Iran, no study has yet been done in the northeastern part of the country.

The assessment of undergraduate medical students' satisfaction levels with the objective structured clinical examination.

Background: The objective structured clinical examination (OSCE) has been introduced as an efficient method for the assessment of medical students.

Objectives: The aim of the present study was to determine the satisfaction level of undergraduate medical students of internal medicine department with the OSCE.

Materials And Methods: This was a descriptive cross-sectional study, performed on all available undergraduate students at the end of their internal medicine training period in Mashhad University of Medical Sciences.

Evaluation of methylation of MGMT (O⁶-methylguanine-DNA methyltransferase) gene promoter in sporadic colorectal cancer.

The DNA repair gene O⁶-methylguanine-DNA methyltransferase (MGMT) is frequently methylated in colorectal cancer (CRC). The aim of this study was to demonstrate that MGMT methylation may be one of the candidate mediators of field cancerization in the colon mucosa. Therefore, quantitative methylation-specific polymerase chain reaction was performed on tumor itself and additional samples of 5 and 10 cm away from the tumor in 40 CRC patients.

Endoscopic resection of large colonic lipomas assisted by a prototype single-use endoloop device.

Colonic lipomas are benign adipose tumors that do not usually cause symptoms. Giant colonic lipoma (GCL) is an uncommon finding at endoscopy which may lead to iron deficiency anemia (IDA) with or without macroscopic ulceration. The choice of therapeutic procedure to treat symptomatic GCLs has been controversial.