PATHOGENESIS OF ALOPECIA 481 Figure 2.--Nails of patient in Figure 1 show congenital onycholysis. These nail changes help establish the diagnosis. •. •2...•'.... . . . 'i• -.• •. ,•. . .., . ........... Figure 3.•Wedge-shaped frontal congenital hair loss.
482 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Figure 4.--Internal pressure from a cyst caused alopecia. .. Figure 5.--Fibroma displacing hair produced alopecia
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