This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skin tumors, Subject name: Dental
Maximum malignant potential is seen in 
Select and explain. 
A. Epidermal nevus, B. Junctional nevus, C. Dermal nevus, D. Blue nevus
D: Blue nevus
Answer: D: Blue nevus 
Explanation: The diagnosis can be made by visual inspection alone. Although most cases of blue nevi are benign, there is a small possibility that a cellular blue nevus can undergo malignant transformation and become a malignant cellular blue nevus (MCBN). Thus, a biopsy of any changing or suspicious lesion should be done Ref Harrison20th edition pg 1456