This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Which of the following are characteristic markers for Hodgkin's Lymphoma? 
Select and explain. 
A. CD15 and CD30, B. CD15 and CD45, C. CD30 and CD68, D. CD15 and CD3
A: CD15 and CD30
Answer: A: CD15 and CD30 
Explanation: The tumor cells in Hodgkins Lymphoma are characteristically positive for CD15 and CD30 and negative for CD45. Ref: Robbin's Illustrated Pathology, 7th Edition, Page 688; Harrison's Principles of Internal Medicine, 16th Edition, Page 7655