A 24-year-old woman consulted for a pigmented labial lesion.
Dermoscopy revealed multiple curves of semicircle, U or V mimicking the scales of a fish.
This fish scale-like pattern was in favor of a mucosal melanotic macule.
Fish scale-like pattern
Fish scale-like pattern is a new pattern described in mucosal melanotic macules.
Reference:
Dermoscopy of pigmented lesion on mucocutaneous junction and mucous membrane.
Lin J, Koga H, Takata M, Saida T.
BJD 161 (6); 1255-61