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Epidermoid cyst in Infant/Neonate
See also in: Anogenital,Hair and Scalp
Other Resources UpToDate PubMed

Epidermoid cyst in Infant/Neonate

See also in: Anogenital,Hair and Scalp
Contributors: Rajini Murthy MD, Belinda Tan MD, PhD, Craig N. Burkhart MD, Dean Morrell MD, Susan Burgin MD
Other Resources UpToDate PubMed

Synopsis

Epidermoid cysts (epidermal cyst, epidermal inclusion cysts, keratin cysts) are frequently incorrectly called sebaceous cysts. One of the most common benign skin tumors in adults, epidermoid cysts are rare in childhood and infancy. These semisolid cysts are lined by a keratinizing epithelium and filled mostly with macerated keratin, which has a cheese-like consistency and pungent odor. They frequently appear to arise spontaneously. Alternatively, they may result from disruption of follicular structures or by implantation of the epidermis via a penetrating injury.

Epidermoid cysts are a feature of several hereditary syndromes, such as Gardner syndrome; cysts are usually multiple and in unusual locations in Gardner syndrome.

Codes

ICD10CM:
L72.0 – Epidermal cyst

SNOMEDCT:
419893006 – Epidermoid cyst

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Last Reviewed:05/26/2024
Last Updated:05/27/2024
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Patient Information for Epidermoid cyst in Infant/Neonate
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Epidermoid cyst in Infant/Neonate
See also in: Anogenital,Hair and Scalp
A medical illustration showing key findings of Epidermoid cyst : Face, Neck, Scalp, Trunk
Clinical image of Epidermoid cyst - imageId=3463753. Click to open in gallery.  caption: 'A close-up of a yellowish nodule with a central keratin-filled punctum.'
A close-up of a yellowish nodule with a central keratin-filled punctum.
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