A 20-year-old woman presented to our department in 2000. She gave a history of bloody diarrhoea, fatigue and dizziness during the previous two months. Physical examination was unremarkable. However, colonoscopy showed rectal inflammation of moderate degree. Histology confirmed the diagnosis of ulcerative proctitis. The complete blood picture was normal as were the results of liver and renal fun...

Colonic varices, usually detected by means of colonoscopy, are extremely rare and typically indicative of portal hypertension or chronic hepatopathology. Even more rare are those cases with no underlying disease, or idiopathic colonic varices. The authors report a case of these unexplained varices found during colonoscopy of a 30-year-old man with a 10-year history of diarrhea and occasional bl...

A 76-year-old man with membranoproliferative glomerulonephritis complicated by methyldopa-induced colitis is reported. Eight months after administration of methyldopa, mucous bloody stool was noted. A barium enema examination showed disappearance of haustra and a spastic rectosigmoid with pseudo-polyposis. Biopsy specimens obtained from the sigmoid mucosa revealed interstitial edema and small i...

Serious salmonellosis occurred in groups of cynomolgus monkeys newly imported into Tsukuba Primate Center for Medical Science from the Philippines in 1985. During the quarantine period, Salmonella typhimurium (29 strains) and S. stanley (1 strain) were isolated from 30 of 130 imported monkeys. Twenty-eight of the 30 infected monkeys excreted mainly watery diarrhea, and occasionally bloody mucou...

BACKGROUND & OBJECTIVE Shiga-toxigenic Escherichia coli (STEC) are causative agents of bloody diarrhoea, haemorrhagic colitis (HC) and haemolytic uraemic syndrome (HUS). Humans acquire infections primarily through contaminated beef. In India, STEC has not been implicated as a major cause of diarrhoea. Hence, isolation of STEC from diarrhoeagenic stool samples of patients and beef samples market...

n the spring of 2007, just weeks before my college graduation , my parents called to tell me that my grandmother was sick. I was worried to hear that she was in the hospital, but like the rest of my family, I had little doubt that she'd be better in no time. At a spry 82 years, my grandmother was the picture of health. She was a nonsmoker, a nondrinker, and had had no medical problems except fo...

five of the patients with watery chronic diarrhea (one patient died), improved within 10 days of treatment. In Dakar, during the study describing ordinary and opportunistic enteropathogens associated with diarrhea in adults (5), stool samples were collected from five HIV-infected adults with watery chronic diarrhea. In all cases, heavy K. pneumoniae growth was observed on the primary culture me...