Rare Association of Congenital Triangular Alopecia with Vitiligo

April 2024 in “ Indian Journal of Paediatric Dermatology ”

Kriti Jain, Debasmita Behera, H K Kar, Laxman Besra, Sejal Bajoria, Mitanjali Sethy

congenital triangular alopecia CTA vitiligo non-scarring alopecia dermoscopy vellus hair tofacitinib

TLDR Congenital triangular alopecia and vitiligo can occur together, but treatment for one may not affect the other.

A 12-year-old male presented with congenital triangular alopecia (CTA) and newly developed vitiligo. CTA, a non-scarring alopecia, was diagnosed based on clinical and dermoscopic findings, showing a triangular patch of hair loss with normal follicular openings and vellus hair. The patient also had depigmented patches on his foot, confirmed as vitiligo. Treatment with tofacitinib improved the vitiligo but not the alopecia. This case highlights the rare co-occurrence of CTA and vitiligo, with no previous reports of such an association. The condition remains benign and asymptomatic, with no definitive treatment for CTA.

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Research cited in this study

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research Temporal Triangular Alopecia and a Review of 52 Past Cases

56 citations, March 2010 in “Journal of Dermatology”

Most cases of Temporal Triangular Alopecia are found in early childhood and may be related to genetic conditions.

$Temporal Triangular Alopecia: Report of an African-American Child Misdiagnosed as Refractory Tinea Capitis$

research Temporal Triangular Alopecia: Report of an African-American Child Misdiagnosed as Refractory Tinea Capitis

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A child was initially wrongly diagnosed with a fungal scalp infection but actually had a non-scarring hair loss condition called Temporal Triangular Alopecia.

research Congenital Triangular Alopecia (Brauer Nevus)

34 citations, December 1995 in “Pediatric Dermatology”

Congenital Triangular Alopecia is a rare, non-scarring hair loss that can be surgically treated in females for cosmetic reasons.

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