This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
In cases of swelling in testes, investigation of choice: 
Select and explain. 
A. FNAC, B. CT, C. USG, D. MRI
C: USG
Answer: C: USG 
Explanation: Ans. (c) USGRef: Campbell Urology 11th Edition, Page 790* Scrotal USG is IOC for testicular pathology. With high frequency transducers (5 to 10 MHz) intra testicular lesions can be identified and readily distinguished from extra testicular pathology.