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Lymphoma presenting as a popliteal mass in a patient with rheumatoid arthritis
J D de Beer1, E R Bogoch, H A Smythe
1University of Toronto Rheumatic Disease Unit, Department of Orthopaedic Surgery, Toronto, ON, Canada.
The Journal of Rheumatology
|September 1, 1990
Abstract:
A patient with HLA-B27 and rheumatoid factor positive rheumatoid arthritis presented with a painless swelling in his popliteal fossa. Clinical features were atypical for a Baker's cyst, and subsequent investigation showed this lesion to be a primary malignant lymphoma.