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: Unknown
Technetium - 99 scan is used for diagnosis of - 
Select and explain. 
A. Meckel's diverticulum, B. Appendix, C. Berry aneurysm, D. Cold abscess
A: Meckel's diverticulum
Answer: A: Meckel's diverticulum 
Explanation: Ans- A IOC for Meckel's Diverticulum is Technetium 99m pertechnate scan. Sensitivity is 90 %for pediatric population whereas for adults it is 50-55%only. If the Tech scan is normal,then go for enteroclysis