Anagen Effluvium after Neurointerventional Radiation: Trichoscopy as a Diagnostic Ally

María D. Guerrero-Putz, Ana C. Flores-Dominguez, Rodrigo J. Castillo-De La Garza, Jose A. Figueroa-Sanchez, Antonella Tosti, Verónica Garza-Rodríguez

Research output: Contribution to journalReview articlepeer-review


Minimally invasive procedures for vascular brain lesions are being performed more frequently. Radiation exposure caused by endovascular embolization of cerebral aneurysms may give rise to nonscarring scalp alopecia located in the treated area. Clinical and trichoscopic features of this type of alopecia are similar to alopecia areata (AA). Herein, we performed a comprehensive review to describe the clinical and trichoscopic characteristics of radiation-induced anagen effluvium. Predominant trichoscopic findings include black dots, yellow dots, short vellus hairs, and absence of exclamation marks hairs. It is important to consider this diagnosis in patients who have recently undergone such procedures that can easily be misdiagnosed as AA.

Original languageEnglish (US)
JournalSkin Appendage Disorders
StateAccepted/In press - 2021


  • Anagen effluvium
  • Neurointerventional radiation
  • Trichoscopy

ASJC Scopus subject areas

  • Dermatology


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