| endoscopy, gastrointestinal | Visual examination of the gastrointestinal tract by means of a fibreoptic endoscope. It is used to localise, identify, and photograph pathologic alterations, to obtain biopsy material and perform other surgical interventions, and for delivery of medication. (12 Dec 1998) |
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| tuberculosis, gastrointestinal | Gastric and/or enteric tuberculosis. This condition is marked by spreading ulcers and diarrhoea. (12 Dec 1998) |
| tuberculosis: gastrointestinal manifestations | <radiology> Ileocaecal area, most common site (80-90%), Stierlin sign, Fleischner sign, thickened ileocaecal valve, fissures, ulcers, sinus tracts, fistulas, perforation, colon, segmental involvement; especially on right side, ulcerating colitis with pseudopolyps, hourglass stricture, wall thickening, gastroduodenal area, simultaneous involvement of pylorus and duodenum, stenotic pylorus with gastric outlet obstruction, narrowed antrum (linitis plastica appearance), ulcers, thickened folds, antral fistula, oesophagus, least common site, ulcers, stricture, mass, sinus tracts (12 Dec 1998) |