title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 52-1973.
mesh_terms: D000293:Adolescent; D002908:Chronic Disease; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007717:Knee / Q000601:surgery; D010860:Pigments, Biological; D000074402:Synovectomy; D013583:Synovial Membrane / Q000473:pathology; D013585:Synovitis / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery
chemical_list: D010860:Pigments, Biological