摘要:Ascaris infestation is still prevalent in the world. In Isfahan approximately 77.7 to 90.3 percent of the population is infected. In this communication surgical complications of ascariasis in a series of 29 patients observed in Soraya Hospital of Isfahan during five year period since 1971 are reported. Intestinal obstruction was the commonest complication leading to operation (22 cases). The diagnosis was based on clinical and radiologic grounds and was confirmed at operation. In these situations enterotomy or resection of the gut was associated with high mortality. Three cases of intestinal perforation, two cases of appendicitis, one case of biliary obstruction and liver abscess and a case of acute pancreatitis due to ascariasis are also reported.