<unk>  is an erythematous pigmentary disease involving the<unk> cles, characterized by a reddish-brown, sharply demarcated, symmetrical discoloration involving the preauricular and maxillary regions.:775-6
Erythromelanosis follicularis faciei et colli
Ichthyosis bullosa of Siemens
Dermatosis papulosa nigra
Linear atrophoderma of Moulin
Eccrine nevus
Ichthyosis lamellaris
Erythema dyschromicum perstans
Riehl's melanosis