This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hallmarks of Cancer, Subject name: Pathology
Melanocytic marker is? 
Select and explain. 
A. CD99, B. HMB-45, C. NMP-22, D. CA-125
B: HMB-45
Answer: B: HMB-45 
Explanation: Ans. is 'b' i.e., HMB-45 Markers for melanocytes1) S-100 - 90% of tumors are positive2) HMB-45 - More specific but less sensitive than S-1003) TA-904) Tyrosinase5) Microphthalmia transcription factor 6) Melan-A