An 11-year-old boy with one big testicle and one small testicle.

11-year-old boy testicle side big side small development difference, trauma, orchitis and other reasons.

1. Development difference

testicle is located in the scrotum, due to the supply of testicular blood there is a certain difference, bilateral testicular access to nutrition is inconsistent, so there can be a big small situation, belongs to the normal situation, do not worry too much.

2. Trauma

boy daily activities more, testicle vulnerable to external impact, leading to testicular tissue congestion, testicular size difference phenomenon on both sides.

3. Orchitis

If the boy himself has orchitis, inflammation continues to stimulate unilateral testicular tissue, local congestion edema, can also cause testicular size difference.