Keratoacanthoma
This round, high, firm bump and a central crater is typical of keratoacanthoma, which is thought to be a form of squamous cell carcinoma.
Image provided by Thomas Habif, MD.
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This round, high, firm bump and a central crater is typical of keratoacanthoma, which is thought to be a form of squamous cell carcinoma.
Image provided by Thomas Habif, MD.