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Vol. 217, No. 4, 2008
Issue release date: November 2008
Dermatology 2008;217:333–336
(DOI:10.1159/000155644)

Significance of Dermoscopy in Acute Diffuse and Total Alopecia of the Female Scalp: Review of Twenty Cases

Inui S. · Nakajima T. · Itami S.
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Abstract

Background: Acute diffuse and total alopecia of the female scalp (ADTAFS) is a new subtype of alopecia areata that is characterized by rapid progression of diffuse alopecia of the female scalp, marked female predominance and a favorable prognosis. Differential diagnosis of other types of diffuse alopecia such as female pattern hair loss (FPHL) is necessary in some cases. Objective: To describe dermoscopic findings of ADTAFS and to investigate the possibility of utilizing dermoscopy as a diagnostic tool for ADTAFS. Methods: Twenty cases of ADTAFS diagnosed by clinical and/or histological findings were examined by dermoscopy. Results: Cadaverized hairs (black dots), exclamation mark hairs (tapering hairs), broken hairs or yellow dots were seen in 18, 13, 19 and 17 out of 20 cases, respectively. One of these signs was seen in all cases (20/20). On the other hand, none of 12 cases with exclusively FPHL showed the dermoscopic features such as cadaverized hairs, exclamation mark hairs or broken hairs. Only 1 FPHL patient showed a yellow dot in the hair loss area. Conclusion: Dermoscopy is a helpful diagnostic tool for ADTAFS, especially to distinguish it from FPHL.



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References

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    External Resources

  13. Shapiro J, Madani S: Alopecia areata: diagnosis and management. Int J Dermatol 1999;38(suppl 1):19–24.
  14. Sinclair R: Diffuse hair loss. Int J Dermatol 1999;38(suppl 1):8–18.
  15. Sato-Kawamura M, Aiba S, Tagami H: Acute diffuse and total alopecia of the female scalp: a new subtype of diffuse alopecia areata that has a favorable prognosis. Dermatology 2002;205:367–373.
  16. Nakajima T, Inui S, Itami S: Pulse corticosteroid therapy for alopecia areata: study of 139 patients. Dermatology 2007;215:320–324.
  17. de Lacharriere O, Deloche C, Misciali C, Piraccini BM, Vincenzi C, Bastien P, Tardy I, Bernard BA, Tosti A: Hair diameter diversity: a clinical sign reflecting the follicle miniaturization. Arch Dermatol 2001;137:641–646.


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