Diagnosis: Congenital melanocytic nevus
Description: Unilateral brownish pigmentation.
Morphology: Hyperpigmentation
Site: Antecubital
Sex: F
Age: 4
Type: Clinical
Submitted By: Nameer Al-Sudany
Differential Diagnosis
History: A unilateral semicircular brownish hyperpigmented patch with a well-demarcated irregular border involved one arm since birth.