title: Synovial hemangioma of the knee joint with cystic invasion of the femur: a case report and review of the literature.
abstract: Synovial hemangioma is a rare benign intra-articular tumor. It may be a cause of pain and recurrent joint swelling in children and young adults. This report presents a 29-year-old patient with a synovial hemangioma in the left knee joint. Magnetic resonance imaging (MRI) showed the typical features of a soft tissue hemangioma and revealed a cystic invasion of the medial femur. The tumor was locally excised and a partial synovectomy was performed. The lesion of the femur was filled with autologous bone from the iliac crest. Histological examination confirmed the diagnosis of a synovial hemangioma. In a review of the recent literature we report the common features of a synovial hemangioma, with emphasis on its diagnosis and therapy.
authors.affiliation: Department of Orthopaedic Surgery, Ludwigs-Maximilians-University Munich, Marchioninistr. 15, 81377 Munich, Germany. holzapfel@tum.de
authors.forename: Boris Michael
authors.initials: BM
authors.lastname: Holzapfel
authors.forename: Ulrich
authors.initials: U
authors.lastname: Geitner
authors.forename: Joachim
authors.initials: J
authors.lastname: Diebold
authors.forename: Christian
authors.initials: C
authors.lastname: Glaser
authors.forename: Volkmar
authors.initials: V
authors.lastname: Jansson
authors.forename: Hans Roland
authors.initials: HR
authors.lastname: Dürr