What causes keratoacanthoma (KA)?

Updated: Jan 30, 2020
  • Author: Ginard I Henry, MD; Chief Editor: Gregory Gary Caputy, MD, PhD, FICS  more...
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Answer

Answer

Various infections have been implicated, including viral sources. In addition, mineral oil and tar products historically have had some importance. However, the most common denominator appears to be sun exposure.


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