Which of the following should be done for an acute onset painful scrotal swelling in 12 years old male?

Ans. is 'a' i.e., Doppler stethoscope evaluation * Acute onset painful scrotal swelling in 12 years old preadolescent male is most probably due to torsion of testis. In suspected cases of torsion of testis or testicular appendage a doppler stethoscope should be used to evaluate blood flow to the testicles (if decreased or absent, suspect testicular torsion and prepare the patient for surgery).