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Hair follicle nevus

Hair follicle nevus
Other namesVellus hamartoma
SpecialtyDermatology

Hair follicle nevus is a cutaneous condition that presents as a small papule from which fine hairs protrude evenly from the surface.[1]

Signs and symptoms

Hair follicle nevus usually presents as a single, skin-colored papule or nodule on the face after birth that exhibit no symptoms.[2]

Diagnosis

Histologically, vellus hair follicle growth with perifollicular fibrous thickening occasionally encircled by a cellular stroma is the hallmark of hair follicle nevus. Smooth muscle fibers and eccrine and sebaceous glands are at times visible.[2]

See also

References

  1. ^ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 978-1-4160-2999-1.
  2. ^ a b Lee, Ji Su; Yang, Ji Hoon; Park, Hyunsun; Yoon, Hyun-Sun; Cho, Soyun (2019). "Hair Follicle Nevus Located on the Neck: Comparison with Accessory Tragus, Cervical Chondrocutaneous Branchial Remnants and Trichofolliculoma". Annals of Dermatology. 31 (6). Korean Dermatological Association and The Korean Society for Investigative Dermatology: 662–665. doi:10.5021/ad.2019.31.6.662. ISSN 1013-9087. PMC 7992593. PMID 33911666.

Further reading
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