<unk>  is a common skin disorder that occurs most often in black patients, with skin lesions that are 1 to 5mm depressions filled with a comedo-like keratinous plug. Treatment with etretinate has been described.
Keratosis punctata of the palmar creases
Hypertrichosis simplex of the scalp
Longitudinal erythronychia
Neutrophilic dermatosis of the dorsal hands
Erosive pustular dermatitis of the scalp
Subcutaneous granuloma annulare
Discrete papular lichen myxedematosus
Melanocytic oral lesion