Intra-articular leiomyoma of the knee mimicking a ganglion cyst in a child: A case report and review of literature.

Introduction And Importance: Angioleiomyoma is a rare benign soft tissue tumor of smooth muscle getting its origin from the muscular layer of vessel walls. The localized type of leiomyoma occurs on the skin, deep soft tissues, in the genitourinary, gastrointestinal, and respiratory tracts.

Case Presentation: We report a case of a 16-year-old patient who presented with an intra-articular leiomyoma developed in the anterior cruciate ligament and treated with arthroscopy.