Image Collection: Noncancerous, Precancerous and Cancerous Tumors
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25. Picture of Epidermal Inclusion Cyst (EIC)
Epidermal inclusion cyst (EIC), also known as sebaceous cyst and epidermoid cyst, is the most common cyst of the skin. It ranges in size from a few millimeters to a few centimeters and originates from the follicular infundibulum. Its contents are a cheesy, malodorous mixture of degraded lipid and keratin. It often ruptures, with associated pain and inflammation.
Pictured is an elliptical excision around an epidermal inclusion cyst punctum.
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