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With an ageing population, there will be an increase in elderly patients with PAD and symptomatic pancreaticobiliary disease. Continuing improvements in radiological and endoscopic techniques should enable this vulnerable group to be treated effectively and safely.

Gallstone ileus is a surgical emergency that occurs almost exclusively in the elderly. It is of increasing significance with current demographic changes. Clinical records and diagnostic imaging of 15 consecutive patients treated for gallstone ileus at one hospital over a 6-year period were reviewed. The median patient age was 80 years. Six plain-film diagnoses were made correctly. Contrast studies provided a diagnosis of intestinal obstruction in four patients. Abdominal X-ray findings were assessed incorrectly in two patients, with one false-positive and one false-negative result. The median preoperative hospital stay was 2 days. Three patients had Bouveret's syndrome, two of whom required a gastrostomy and enterolithotomy, and one of whom required a gastroenterostomy. The remaining 12 patients underwent enterolithotomies. Only one patient underwent a cholecystectomy. There was one postoperative death. No patient had biliary symptoms on follow-up. Gallstone ileus is a difficult clinical and radiologic diagnosis. Enterolithotomy alone is adequate treatment in the elderly, and subsequent cholecystectomy is not mandatory.

A total of 26,975 asymptomatic individuals were identified from family doctors' age/sex registers and randomly allocated to test or control group. The first test group (10,253) were offered 3-day fecal occult blood (FOB) testing; 3,613 (37%) completed the tests and 77 (2.1%) were found to be positive. In this group, 13 cancers were detected (3.5/1000 persons screened), of which 9 (70%) were Stage A. Of these subjects, 3349 have been rescreened at 2 years; 2799 (85%) completed the tests and 80 (2.8%) were found to be positive. Four cancers have been detected (three Stage A). In the whole test group followed for 2 years (10,462), 34 cancers have presented (17 screening detected, 3 interval cases in test responders, 14 symptomatic cancers in nonresponders), of which 14 (43%) were Stage A. In the control group (10,272 individuals), 17 patients have presented with symptomatic colorectal cancer during the 2-year follow-up, with rates of 0.9/1000 and 0.8/1000 persons/year in the first and second years of follow-up, respectively. No Stage A tumors were present. In the second test group (3,225) offered both guaiac (Hemoccult; Smith Kline Diagnostics) and immunologic (Feca EIA; Nordic) FOB tests, 1304 (44%) completed the tests, of which 126 (9.7%) were positive. Five cancers were detected (four Stage A), of which only three were positive by Hemoccult testing. In this group of test responders, one cancer has presented symptomatically at 1 year follow-up. Thus, at 2-year follow-up of the responding individuals of both cohorts of the initial screen of the test group, 5 of 21 cancers (24%) were negative by Hemoccult testing. Fecal occult blood testing has doubled the detection of colorectal cancer in the test group compared with the number presenting with symptoms in 2 years in the control group, and increased the proportion of early stage cancers (chi 2 = 8.0, P = less than 0.001).

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Localized giant pseudopolyposis of the colon is a rare complication of both ulcerative colitis and Crohn's disease. It is not regarded as being premalignant, but it may masquerade clinically as a malignancy. This report presents a case and reviews others reported in the literature.

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