A traumatic ulcer appears as areas of erythema hedging a removable yellow fibrinopurulent membrane, often adjoining an area of hyperkeratosis. The condition is common and can be caused by a lot of different sources of trauma such as thermal, electrical, chemical or mechanical. An accurate anamnesis and examination is essential to identify the source of the ulcer. If it is identified and can be removed, the lesion should heal up within two weeks. Otherwise a biopsy should be taken.
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