Collision of actinic keratosis and dermatofibrosarcoma protuberans within a single lesion as a diagnostic pitfall: a case report
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Dermatofibrosarcoma protuberans (DFSP) is a rare locally aggressive cutaneous sarcoma, whereas actinic keratosis (AK) is a common premalignant epidermal lesion. The coexistence of these two entities within a single facial lesion is extremely rare and may compl... ...
