An early but nonspecific sign of psoriasis that can also occur in alopecia areata and chronic dermatitis. Nails
are pocked by multiple tiny depressions, which may eventually cause the nail to crumble. Pitting is due to
loss of parakeratotic cells from the surface of the plate, starting in the proximal nail matrix and migrating
distally.
are pocked by multiple tiny depressions, which may eventually cause the nail to crumble. Pitting is due to
loss of parakeratotic cells from the surface of the plate, starting in the proximal nail matrix and migrating
distally.