Pyoderma gangrenosum: clinical and laboratory findings in 15 patients with special reference to polyarthritis

Fifteen consecutive patients with PG have been studied during the period 1971-78. Systemic disease was found in 13 of the patients and preceded the skin disease in 10 patients by 1-25 years. Only two patients had ulcerative colitis. One patient had paroxysmal nocturnal hemoglobinuria and three patie...

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