Primary Lymphoma of the Distal Femur Presenting as Spontaneous Deep Vein Thrombosis and Knee Monoarthritis: A Case Report

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Abstract

Case:A 68-year-old man with a history of unprovoked deep vein thrombosis (DVT) presented with recurrent knee effusions after the initiation of anticoagulation. Radiographs showed soft-tissue swelling without a distinct skeletal lesion. Magnetic resonance imaging, however, showed a marrow-replacing process in the distal femur. Subsequent biopsy demonstrated B-cell lymphoma.Conclusion:This is a rare case of a primary lymphoma of bone mimicking synovial disease. It also highlights the fact that an unprovoked DVT may be a harbinger of an undiagnosed underlying malignancy.

Original languageEnglish (US)
Article numbere21.00402
JournalJBJS case connector
Volume11
Issue number3
DOIs
StatePublished - Sep 9 2021

Keywords

  • B-cell lymphoma
  • deep vein thrombosis
  • knee effusion
  • lymphoma of bone
  • synovial disease

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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