This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
HMB 45 is a marker for- 
Select and explain. 
A. Sarcoma, B. Melanoma, C. Carcinoma, D. None of the above
B: Melanoma
Answer: B: Melanoma 
Explanation: Harshmohan textbook of pathology 7th edition. HBM45 is the most specific immunohistochemical stain for melanoma. Sarcomas- immunohistochemical stains like vimentin, desmin. carcinoma- pankeratine..