This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic Surgery and Skin Lesions, Subject name: Surgery
All of the following are markers of melanoma except:- 
Select and explain. 
A. S-100, B. Cytokeratin-20, C. HMB-45, D. Vimentin
B: Cytokeratin-20
Answer: B: Cytokeratin-20 
Explanation: Markers of melanoma are S-100, HMB-45, Vimentin.