title: Synovial hemangioma as a cause of recurrent knee effusions.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003949:Diagnostic Techniques, Surgical; D005500:Follow-Up Studies; D006391:Hemangioma / Q000150:complications*; D006801:Humans; D006833:Hydrarthrosis / Q000209:etiology*; D007719:Knee Joint / Q000000981:diagnostic imaging / Q000601:surgery; D008297:Male; D012008:Recurrence; D013583:Synovial Membrane; D014057:Tomography, X-Ray Computed