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Fistulization of rheumatoid joints. Spectrum of identifiable syndromes.
  1. R F Shapiro,
  2. D Resnick,
  3. J J Castles,
  4. R D D'Ambrosia,
  5. P R Lipscomb

    Abstract

    Eight patients with rheumatoid arthritis developed cutaneous fistulae adjacent to affected joints. Rheumatoid factor was positive in eight patients; subcutaneous nodules were noted in seven. Two patients had features of rheumatoid vasculitis. A spectrum of syndrome characterized by cutaneous fistulae was observed. Three patients showed classical fistulous rheumatism. Four patients developed septic arthritis which subsequently fistulized; in two, infection was associated with total joint replacement. One patient showed a cutaneous sinus accompanying a large calf cyst. A variety of diagnoses must be considered when cutaneous fistulae appear near joints in patients with rheumatoid arthritis.

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