title: Haemangioma of the knee joint.
mesh_terms: D000792:Angiography; D002648:Child; D006391:Hemangioma / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D007717:Knee / Q000098:blood supply; D007719:Knee Joint; D008297:Male; D013583:Synovial Membrane