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A true keratoacanthoma is considered to be a benign self-limited tumour. However, there may be difficulty separating keratoacanthoma from squamous cell carcinoma, clinically and histologically. It is suggested that, in general, this lesion is best treated as if it were a low risk invasive squamous cell carcinoma, that is, by complete excision or by radiation therapy.


SOURCE: Keratoacanthomas ( )
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