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
The diagnostic procedure not done in case of ph eochromoc ytoma. 
Select and explain. 
A. CT scan, B. MRI, C. FNAC, D. MIBG scan
C: FNAC
Answer: C: FNAC 
Explanation: FNAC "Percutaneous fine-needle aspiration of chromallin tumors is contraindicated; indeed, pheochronwcytoma should be considered before adrenal lesions are aspirated." -Harrison "Catastrophic hypeensive crisis and fatal cardiac arrhythmias can occur spontaneously or may be triggered by intravenous contrast dye or glucagon injection, needle biopsy of the mass, anesthesia, and surgical procedures." -