Papulolinear collagenoma: a rare entity in children.

Dermatol Online J

Pediatric Dermatology Unit, Pereira Rossell´s Hospital, Montevideo.

Published: September 2021

AI Article Synopsis

  • Papulolinear collagenoma is a rare type of connective tissue growth known as a dermal hamartoma.
  • It is characterized by an abnormal increase in collagen in the skin.
  • The report focuses on a young girl's case who has this collagen nevus displaying a papulolinear pattern.

Article Abstract

Papulolinear collagenoma is a rare kind of connective tissue nevus. It is a dermal hamartoma characterized by an increase in collagen. We report a young girl's collagen nevus with a papulolinear distribution.

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Source
http://dx.doi.org/10.5070/D327955143DOI Listing

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Article Synopsis
  • Papulolinear collagenoma is a rare type of connective tissue growth known as a dermal hamartoma.
  • It is characterized by an abnormal increase in collagen in the skin.
  • The report focuses on a young girl's case who has this collagen nevus displaying a papulolinear pattern.
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Zosteriform Collagen Nevus in an Infant.

Acta Dermatovenerol Croat

June 2016

Aslı Aksu Çerman, MD, Şişli Hamidiye Etfal Training and Research Hospital, Dermatology Department, Halaskargazi Cad, Etfal S, Istanbul, Turkey;

Connective tissue nevi (CTN) are dermal hamartomas characterized by an imbalance in the amount and distribution of the normal components of the extracellular dermal matrix, specifically collagen, elastin, and/or proteoglicans. The term "CTN" was first mentioned by Lewandowsky in 1921 (1), although it was not accepted until the review by Gutmann in 1926 (2). Classification of CTN was established by Uitto et al.

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Connective tissue nevi of collagen type are now classified in four major subtypes. In addition to the clinicopathological features of papulolinear collagenoma, which is considered as a variant of isolated collagen harmatoma, the case we present has a unique arborizing pattern.

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