A series of 637 epidermal inclusion cysts and sebaceous cysts is presented. Seven carcinomas (1.1%) were found arising in the walls of these cysts. Cysts of the head and neck gave rise to basal cell carcinoma. Complete local excision with regular follow-up appears to be adequate treatment.
Mc DONALD LW. Carcinomatous Change in Cysts of Skin. Arch Dermatol. 1963;87(2):208–211. doi:10.1001/archderm.1963.01590140070011
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