Blue Nevus: Definition, Types, Dermoscopy, And Differential Diagnosis
Blue nevus, a benign melanocytic lesion, presents with a homogeneous blue-black hue under dermoscopy. Its regular network or veil-like pattern differentiates it from malignant lesions. Junctional, compound, and intradermal types exist, each with distinctive dermoscopic features. Differential diagnosis includes malignant melanoma, Spitz nevus, cellular blue nevus, and benign pigmented tumors. The absence of atypia and…