Leiomyosarcoma of the duodenum in a 10-year-old boy.

摘要: An unusual incidence of a duodenal leiomyosarcoma in 10-year-old boy is presented. The corrected diagnosis was made after 27-month course occult gastrointestinal bleeding, vague abdominal complaints, and anemia. Gastrointestinal radiography upper endoscopy were useful localizing the lesion. tumor removed at exploratory surgery by simple excision. On frozen section, thought to be benign, but fixed microscopic histological sections revealed well-differentiated, malignant smooth muscle tumor. presentation this child compared previously reported cases adults, biological clinical characteristics tumors tract are reviewed.