This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skin Cancer, Subject name: Skin
Pigmented macules over palm seen on clinical examination. Histologically, proliferating melanocytes are found at the dermoepidermal junction. Diagnosis? 
Select and explain. 
A. Halo nevus, B. Junctional nevus, C. Dermal Melanocytic nevus, D. Dysplastic nevus
B: Junctional nevus
Answer: B: Junctional nevus 
Explanation: Ans. b. Junctional nevusJunctional melanocytic nevus presents as pigmented macules.Dermal melanocytic nevus is skin colored (nonpigmented), dome-shaped papule.