Nodular lymphoid hyperplasia (NLH) in the small intestine is a rare benign lesion, characterized by the presence of multiple small nodules on the surface of the intestine. To define the clinicopathological and colonoscopic characteristics in Chinese patients with ileal NLH, we collected 65 patients with NLH in the terminal ileum from the endoscopic database in our hospital and clinical data fro...

In 2006, we met with great interest a 27 year-old male who presented to our clinic with a nine year history of intermittent painless hematochezia. This occurred approximately 8-10 times per month, and was always associated with bowel movements. He denied nausea, emesis, melena, hematemesis, constipation, abdominal pain or weight loss. Examination was remarkable for right thigh hypertrophy and l...

Acute hemorrhagic necrotizing enteritis (AHNE) is a potentially fatal infection, triggered by beta toxin produced Clostridium perfringens type C and characterized extensive hemorrhagic, inflammatory, or ischemic necrosis that mainly affects the small bowel, clinically presenting as diarrhea, hematochezia, abdominal pain hypotensive shock. AHNE rarely reported in humans nowadays, we present case...

BACKGROUND Serotonin-1 5-hydroxytryptamine (5-HT 1) receptor agonists are first line agents for migraine headaches. Patients with refractory headaches may use supratherapeutic doses of these medications. Described is a case of ischemic colitis related to overuse of sumatriptan. CASE A 35-year-old woman presented with severe abdominal pain without diarrhea or hematochezia. For several days pri...

A 81-year old woman affected by chronic renal failure, non insulin-dependent diabetes mellitus (NIDM) and hypertension, had an severe anemia massive hematochezia. The colonoscopy could not localize the bleeding site except some blood spots in the rectum. The patient was readmitted after 1 month with hypovolemic shock by massive hematochezia and required several blood transfusions. The endoscopi...

Objective: Evaluate the appropriateness of colonoscopy indication for neoplastic lesion detection in patients under age 50 with hematochezia. Methods: Retrospective and cross-sectional study in patients who underwent colonoscopy, from 2002 to 2009. Inclusion criteria included patients with hematochezia over 20 years old. Exclusion criteria were: history of inflammatory bowel disease (IBD), poly...