<prompt> Which condition is associated with S-100 marker?Multiple myelomaMalignant melanomaProstate carcinomaMedullary carcinoma thyroid  <response>: Ans is b i.e. Malignant melanoma 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 