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: Pediatrics
Radionucleide scan used for diagnosis of Meckel's diverticulum is 
Select and explain. 
A. Technitium 99 Pertechnate scan, B. Gallium scan, C. DOTA scan, D. None of the above
A: Technitium 99 Pertechnate scan
Answer: A: Technitium 99 Pertechnate scan 
Explanation: Technitium 99 Pertechnate scan used to diagnose Meckel's diverticulum.
Normal gastric mucosa takes up the scan.
Ectopic gastric mucosa in Meckel's diverticulum can also be seen.