Sarwar Jehan Zuberi

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Blastocystis hominis is a common intestinal parasite of humans in the tropics whose pathogenic role is in dispute. Its presence has been reported in a variety of intestinal disorders resembling irritable bowel syndrome (IBS) such as diarrhea, anorexia, and flatulence. We have therefore investigated a possible link between IBS and blastocystosis by(More)
Endoscopic biopsies of antral mucosa from 26 patients with Helicobacter pylori-associated gastritis were studied by electron microscopy (EM). Scanning electron microscopy (SEM) showed clustering of H. pylori in the intercellular areas, being entrapped by the microvilli which were decreased at the sites where the bacilli were seen. The observations of SEM(More)
To determine the presenting features and prognosis of nonalcoholic cirrhosis, retrospective analysis was done in 145 cases. Of the total, 48 patients (33%) belonged to the young (less than or equal to 35 years), and 97 (67%) to the adult age group (greater than 35 years) with no predominance of either sex. The etiology of cirrhosis and the positivity of(More)
During the 2 years of the study, 402 patients and an equal number of age- and sex-matched controls were investigated for the presence of diarrhoeal pathogens. Pathogenic organisms were recovered from 277 (68.9%) patients and 97 (24.1%) controls. In the patient group, possible bacterial pathogens were found in 210 (52.2%) cases. Enteropathogenic Escherichia(More)
The present study defines the clinical presentation and examines possible aetiological factors in the occurrence of hepatocellular carcinoma in Karachi, Pakistan. Histologically proven cases of hepatocellular carcinoma (n = 366) were seen over 16 years. The maximum frequency occurred in the age range 51-60 years (range: 8-98 years), and the male to female(More)
The prevalence of H. pylori infection in 200 dyspeptic patients undergoing upper G.I. endoscopy was investigated by histology and rapid urease test. H. pylori was associated with 86% cases of chronic gastritis, 84.6% cases of duodenal ulcers and 78.5% of gastric ulcers. None of the 15 histologically normal gastric biopsies showed H. pylori.