J Korean Rheum Assoc.  2005 Dec;12(4):347-350.

A Case of Nodular Fasciitis Misdiagnosed as Baker's Cyst in a Patient with Rheumatoid Arthritis

Affiliations
  • 1Department of Internal Medicine, Dongeui Medical Center, Busan, Korea. rheumkck@demc.or.kr

Abstract

Nodular fasciitis is rare and benign fibroblastic proliferative disease which tends to be confused microscopically with spindle cell sarcoma. It is a distinctive lesion and a very important one because of its ability to simulate a malignant process. Histopathologically, nodular fasciitis can be grouped into three subtypes based on their relation with the fascia: subcutaneous, fascial, intramuscular. We report a case of nodular fasciitis misdiagnosed as Baker's cyst in a patient with rheumatoid arthritis.

Keyword

Nodular fasciitis; Rheumatoid arthritis; Baker's cyst

MeSH Terms

Arthritis, Rheumatoid*
Fascia
Fasciitis*
Fibroblasts
Humans
Popliteal Cyst*
Sarcoma
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