Article: article from journal or magazin.
Case report (case report): feedback on an observation with a short commentary.
Lytic lesions of the femoral neck in rheumatoid arthritis simulating pigmented villonodular synovitis or malignancy
Publication types: Case Reports ; Journal Article
Large lytic lesions, relatively asymptomatic, involving the femoral neck and the base of the head are described in two patients suffering from a classical seropositive rheumatoid arthritis. Histological examination failed to reveal signs of malignancy, infection or pigmented villonodular synovitis. There were no rheumatoid nodules but a chronic hypertrophic villous synovitis was found. Rheumatoid synovium may invade the superior extremity of the femur; this fact is important in the differential diagnosis of destructive lesions of the femoral neck in RA.
Aged, Arthritis, Rheumatoid, Diagnosis, Differential, Female, Femoral Neoplasms, Femur Neck, Hip Joint, Humans, Middle Aged, Osteolysis, Synovial Membrane, Synovitis, Synovitis, Pigmented Villonodular
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