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Temporal triangular alopecia acquired in adulthood.

C A Trakimas1, L C Sperling

  • 1Dermatology Service, Walter Reed Army Medical Center, Washington, DC, USA.

Journal of the American Academy of Dermatology
|May 13, 1999
PubMed
Summary
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Temporal triangular alopecia, a common hair loss condition, typically appears in early childhood. This report details a rare case of this alopecia developing in adulthood.

Area of Science:

  • Dermatology
  • Trichology

Background:

  • Temporal triangular alopecia (TTA) is a well-documented, nonscarring hair loss condition.
  • Lesions are often congenital or appear within the first six years of life.
  • Typically, TTA presents as stable, triangular patches of hair loss on the temples.

Observation:

  • This study presents an unusual case of TTA.
  • The patient developed temporal triangular alopecia during adulthood.
  • This contrasts with the typical pediatric onset of the condition.

Findings:

  • The case demonstrates that temporal triangular alopecia can manifest later in life.
  • Adult-onset TTA is a possibility, though rare.
  • The lesion remained stable after its appearance.

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Implications:

  • This finding expands the known clinical spectrum of temporal triangular alopecia.
  • Clinicians should consider adult-onset TTA in differential diagnoses for hair loss.
  • Further research may elucidate potential triggers or mechanisms for adult-onset TTA.