Case Study

Pyoderma gangrenosum with acute severe ulcerative colitis successfully treated with oral cyclosporine: a case report


Pyoderma gangrenosum is a rare inflammatory cutaneous condition characterized by the rapid progression of painful ulcers. Pyoderma gangrenosum is usually associated with a systemic disease. A 34-year-old female with a history of ulcerative colitis presented with hematochezia and multiple leg ulcers after stopping her medication for 3 months. A diagnosis of pyoderma gangrenosum with acute severe ulcerative colitis (ASUC) was made based on the clinical characteristics of the ulcers and their histopathologic features. The patient did not respond to intravenous corticosteroid. Therefore, oral cyclosporine was prescribed. Her bowel movements returned to normal after a week. Her ulcers healed after 2 months, leaving cribriform scars. Pyoderma gangrenosum should be considered in the differential diagnosis of skin ulcers, especially in patients with an underlying systemic disease such as inflammatory bowel disease. Oral cyclosporine may be considered for the management of patients with steroid-refractory pyoderma gangrenosum and ASUC. 

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