This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neoplasia, Subject name: Pathology
Marker for neuroblastoma among the following is? 
Select and explain. 
A. NMP 22, B. Chromogranin A, C. LDH, D. P 2 microglobulin
B: Chromogranin A
Answer: B: Chromogranin A 
Explanation: Ans. is 'b' i.e., Chromogranin-A * Neuroendocrine markers of neuroblastomai) CD-56ii) Chromogranin-Aiii) Synaptophysin