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Trichomegaly
Other Resources UpToDate PubMed

Trichomegaly

Contributors: Claire Marie Reyes-Habito MD, Mario Lacouture MD, Lowell A. Goldsmith MD, MPH
Other Resources UpToDate PubMed

Synopsis

Trichomegaly is a condition where there is an increase in the length and thickness of eyelash hair. It can be congenital, acquired, or drug induced.

Elongated and thicker eyelashes are frequently present in children with rare congenital syndromes such as Oliver-McFarlane syndrome and Cornelia de Lange syndrome.

Acquired disorders such as human immunodeficiency virus (HIV) infection, atopic dermatitis, allergic rhinitis, uveitis, and vernal keratoconjunctivitis may also be associated with trichomegaly.

Drugs that are commonly associated with eyelash growth are prostaglandin analogs, epidermal growth factor receptor inhibitors (EGFRIs), and MEK inhibitors, and less commonly interferon-alpha and cyclosporine.

Related topic: hypertrichosis

Codes

ICD10CM:
L67.9 – Hair color and hair shaft abnormality, unspecified

SNOMEDCT:
279425004 – Disorder of hair

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Last Updated:07/11/2024
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Trichomegaly
A medical illustration showing key findings of Trichomegaly : Trichomegaly
Clinical image of Trichomegaly - imageId=2204124. Click to open in gallery.  caption: 'Elongated eyelashes in a patient infected with HIV.'
Elongated eyelashes in a patient infected with HIV.
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