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Gastroduodenal Tuberculosis: A Case Series and Review of Literature. Gastroduodenal tuberculosis is infrequently seen in day-to-day clinical practice with few cases reported in the literature. It is usually associated with features of gastric outlet obstruction. This is a case series of 4 patients with 2 of them having associated lower gastrointestinal involvement. One of them resembled a growth in the cardia of the stomach which responded to antitubercular drugs. Another had duodenal erosions with portal lymph node enlargement which responded to antitubercular drug treatment. None of the patients required surgical management. Gastroduodenal tuberculosis should be considered with a high degree of suspicion when patients present with gastric outlet obstruction or with endoscopic evidence of ulceronodular disease in areas endemic for tuberculosis.