Diagnosis: Blue naevus, cellular
Description: Black macule
Morphology: Macule black
Site: Arm,upper
Sex: F
Age: 19
Type: Clinical
Submitted By: Ted Rosen
Differential Diagnosis
History: One year history of asymptomatic, jet black, macule on arm prompted visit. Dermoscopy was equivocal. Excised lesion proved to be cellular blue nevus without atypia.