A Case of Parasitic Leiomyoma Presenting as Small Bowel Obstruction

Abstract

Parasitic leiomyoma（PL）is a rare disease in which an isolated uterine leiomyoma grows ectopically via nutrient vessels from other organs. In this study, we report a case of PL in the abdominal wall associated with strangulated bowel obstruction. The patient was a 46-year-old woman who had never given birth and had no previous history of abdominal surgery. She presented to the emergency room with a history of fever and repeated vomiting. Abdominal CT showed strangulated bowel obstruction and a mass lesion with calcification. Release of bowel obstruction by laparoscopic surgery was performed as the initial operation, and laparoscopic resection of the tumor was performed as a reoperation. Tumor penetration into the abdominal wall and its adhesion to the small intestine were observed. Since a small intestinal tumor could not be ruled out, combined resection of the small intestine was performed, and histopathological examination confirmed the diagnosis of PL. In adult women, especially those with a history of uterine fibroids, PL should be considered in the differential diagnosis of bowel obstruction associated with intra-abdominal masses.