PMC4337912_01
Swollen sternal wound with necrotic margins along the entire length of the wound on both sides of the closed incision as well as chest tube sites demonstrated similar lesions.
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Physical examination revealed a stable but alarmingly swollen sternal wound with necrotic margins along the entire length (Fig. 1).
Hematoxylin- and eosin stain of wound biopsy (x200) demonstrating granulation tissue with detached acute inflammatory exudate and marked reactive change, consistent with the diagnosis of pyoderma gangrenosum.
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An 8-mm punch biopsy demonstrated granulation tissue with detached acute inflammatory exudate and marked reactive change (Fig. 2).