HMB 45 is a marker for-: (A) Sarcoma, (B) Melanoma, (C) Carcinoma, (D) None of the above
Answer is B. Harshmohan textbook of pathology 7th edition. HBM45 is the most specific immunohistochemical stain for melanoma. Sarcomas- immunohistochemical stains like vimentin, desmin. carcinoma- pankeratine..