<prompt> HMB 45 is a tumor marker for -NeuroblastomaNeurofibromaMalignant melanomaAngiosarcoma  <response>: Ans. is c i.e., Malignant melanomaMarkers for melanona1. S-100 - 90 of tumors are positive2 HMB-45 - More specific but less sensitive than S-l 003. TA-90Important markersTumoro S-l00.HMB-45Melanomao TA-90Melanoma, colon breast ca.o NMP-22Urinary bladder ca.o Neuron Specific enalaseNeuroendocrine tumors small cell ca of lung, carcinoid tumor neuroblastomao Chromogranin Ao Lipid associated Sialic acid LASA-POvarian Ca.o C A 72-4Ovarian, pancreatic gastric Ca.o CA19-9Pancreatic colorectal Cao CA 125Epithelial ovarian tumoro CA27.29CA15-3Breast Cancer. 