What is the appearance of epidermal inclusion cysts (EIC) on physical exam?

Updated: Sep 17, 2020
  • Author: Linda J Fromm, MD, MA, FAAD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Epidermoid cysts appear as flesh–colored-to-yellowish, firm, round nodules of variable size. A central pore or punctum may be present. Note the image below.

Unusually large epidermoid cyst with a prominent p Unusually large epidermoid cyst with a prominent punctum on the back of a patient. (Ruler is in centimeters.)

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