Trichoscopic Criteria of Different Stages of Male Pattern Hair Loss

October 2021 in “ DOAJ (DOAJ: Directory of Open Access Journals) ”

Essam Yassin Mohammed, Waleed E. Mahmoud, Mona Mostafa Abd El-Hamid

trichoscopy male pattern hair loss Hamilton Norwood classification yellow dots white dots vellus hair hair shaft diversity male pattern baldness Hamilton Norwood scale

TLDR Trichoscopy effectively distinguishes between severe and mild male pattern hair loss.

This study evaluated the role of trichoscopy in differentiating between severe and mild cases of male pattern hair loss in 300 males. Participants were divided into two groups based on the Hamilton Norwood classification: group 1 (n=207) with stages one to three, and group 2 (n=93) with stages four to seven. The study found that the frequency of yellow dots, white dots, vellus hair, and hair shaft diversity (HSD) more than 20% was significantly higher in group 2 than in group 1 (P≤0.05). The conclusion was that trichoscopy was a valuable and useful method for distinguishing between severe and mild cases of male pattern hair loss.

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