Abstract:

Pyoderma gangrenosum is a very rare condition of unclear etiology with an estimated incidence of 3 to 10 cases per million people per year. We report a case of pyoderma gangrenosum triggered by acute ischemia of lower extremity without a prior history. Seventy-seven years old female patient was admitted to the emergency department with necrosis on the anterior side of her left limb. Digital subtraction arteriography revealed total occlusion of the left common femoral artery for which thrombectomy under local anesthesia was performed successfully. The necrotic area was debrided and biopsies were obtained. Pathological examination revealed pyoderma gangrenosum and steroid treatment was began. The patient was discharged on the 10th postoperative day with prednisone 48 mg per day for the following 30 days. During the management of ischemic peripheral artery disease patients with persistent skin findings, pyoderma gangrenosum should be in the list of differential diagnoses.

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