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Congenital triangular alopecia.

R Kubba, A Rook

    The British Journal of Dermatology
    |December 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Congenital triangular alopecia is a rare scalp defect. This report details three new cases and discusses how to differentiate it from other conditions.

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    Area of Science:

    • Dermatology
    • Pediatric Dermatology
    • Genetics

    Background:

    • Congenital triangular alopecia (CTA) is a rare, non-scarring alopecia.
    • Typically presents as a triangular or oval patch of hair loss at the frontal or temporal scalp.
    • Often inherited in an autosomal dominant pattern.

    Observation:

    • Report of three new pediatric cases of CTA.
    • Detailed clinical presentation and hair shaft examination findings.
    • Comparison with previously reported cases.

    Findings:

    • All three cases presented with typical features of CTA.
    • Differential diagnosis included other forms of alopecia and scalp defects.
    • Histopathological findings consistent with reduced vellus hair follicles.

    Implications:

    • Highlights the importance of recognizing CTA in pediatric patients.
    • Aids in the accurate diagnosis and management of this rare condition.
    • Contributes to the understanding of the genetic and developmental basis of hair disorders.