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 is a marker for FIbro lamellar variant of hepatocellular carcinoma 
Select and explain. 
A. AFP, B. Glypican - 3, C. Hep - Par - 1, D. Neurotensin
D: Neurotensin
Answer: D: Neurotensin 
Explanation: Conventional markers like AFP, AST, ALT are all normal or slightly elevated in Fibrolamellar variant of HCC.
The tumor marker used is NEUROTENSIN.