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
Cyclin D1 translocation is seen in
? 
Select and explain. 
A. Follicular lymphoma, B. Mantle cell lymphoma, C. Hodgkin lymphoma, D. Melanoma
B: Mantle cell lymphoma
Answer: B: Mantle cell lymphoma 
Explanation: Mantle cell lymphoma is characterized by t(11,14) it places the cyclin D1 gene next to IgH enhancer gene. Among lymphomas, cyclin D1 expression is very specific for Mantle cell lymphoma.