| Clinical Information | ||
| A 63-year-old man with a 20-year history of diabetes and peripheral vascular disease presented with a non-healing ulcer of left foot. He underwent amputation of several toes for dry gangrene in the past.There was a hyperkeratotic,and focally ulcerated lesion on the plantar surface that was debrided several times.The lesion grew much larger. A distal amputation of the foot was performed. | ||
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| Gross appearance of the plantar lesion. | ||
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| Microscopic appearance, low magnification. |
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| Microscopic appearance, High magnification. |
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