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Head hair at initial diagnosis (A) and 3 months later (B).
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There was no obvious patchy hair loss area, and the forehead hairline was not significantly receded (Figure 1A). The hair pull test turned negative, and many new hairs grew out (Figures 1B and 2B).
Trichoscopic graph at initial diagnosis (A) and 3 months later (B).
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There was no broken hair, black dots, exclamation point hairs, etc (Figure 2A). The hair pull test turned negative, and many new hairs grew out (Figures 1B and 2B).
Trichoscopy presentation of hair roots.
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The pigmentation at the proximal end of hair root was reduced, and the end of hair root was clubbed (Figure 3).