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Freebase Commons Common /common

  • A sebaceous cyst is a general term that is used to refer to either: Epidermoid cysts, or Pilar cysts. However, the above types of cyst contain keratin, not sebum, and neither originates from sebaceous glands. Therefore strictly speaking they are not sebaceous cysts. "True" sebaceous cysts are relatively rare and are known as steatocystomas or, if multiple, as steatocystoma multiplex. It has therefore been suggested that the term sebaceous cyst, when used to refer to epidermoid cysts and pilar cysts, should be avoided since this is misleading. In practice, however, the terms are still often used interchangeably.

Freebase Commons Medicine /medicine