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August 1975

Pyoderma Gangrenosum and Rheumatoid Arthritis

Author Affiliations

From the departments of medicine and pathology, McMaster University and St. Joseph's Hospital, Hamilton, Ontario, Canada.

Arch Dermatol. 1975;111(8):1020-1023. doi:10.1001/archderm.1975.01630200080009

Two patients had pyoderma gangrenosum and rheumatoid arthritis. Biopsy specimens of the cutaneous ulcers in the patients showed a necrotizing vasculitis. Complement (C3) and immunoglobulins were not detected in the skin lesions. There was no important impairment of cell-mediated immunity observed.

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