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Sebaceous hyperplasia in newborn
Other Resources UpToDate PubMed

Sebaceous hyperplasia in newborn

Contributors: Nnenna Agim MD, FAAD, Craig N. Burkhart MD, Dean Morrell MD, Susan Burgin MD
Other Resources UpToDate PubMed

Synopsis

Sebaceous hyperplasia in newborns is a transient condition, influenced by androgens, and it represents localized hypertrophy of sebaceous glands on the face. It is most prominent around the nose and upper lip, where the density of sebaceous glands is highest. In the newborn, circulating maternal hormones can stimulate sebaceous gland growth and activity leading to sebaceous hyperplasia. Sebaceous hyperplasia owes its appearance to enlarged mature sebocytes and increased sebaceous gland acini.

Sebaceous hyperplasia occurs in nearly half of term newborns with premature infants being less commonly affected.

Codes

ICD10CM:
L73.8 – Other specified follicular disorders

SNOMEDCT:
403852003 – Neonatal sebaceous gland hyperplasia

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Last Reviewed:08/30/2021
Last Updated:09/07/2021
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Sebaceous hyperplasia in newborn
A medical illustration showing key findings of Sebaceous hyperplasia in newborn : Follicular configuration, Nose, Smooth papule, Superior lip, Yellow color
Clinical image of Sebaceous hyperplasia in newborn - imageId=3687622. Click to open in gallery.  caption: 'Multiple tiny, yellowish papules on the nose.'
Multiple tiny, yellowish papules on the nose.
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