Causes of right scrotum enlargement include trauma, testicular tumor, inflammation, syringomyelia, varicocele and other diseases, and it is recommended to treat them after identifying the causes. 1. Trauma: the soft tissue of the right scrotum may be contused and enlarged under the effect of trauma. 2. Testicular tumor: malignant proliferation of testicular tumor cells may also manifest as hypertrophy of the scrotum. 3. Inflammation: Epididymitis, orchitis and other inflammatory diseases will cause scrotal enlargement, accompanied by fever, pain and other symptoms. 4. Syringomyelia: increased fluid accumulation in the testicular syringomyelia will also manifest as enlarged scrotum. 5. Varicose veins: Varicose veins can cause the obstruction of the return of the veins of the scrotum after tortuosity, which is manifested as the hypertrophy of the scrotum. Right scrotum hypertrophy may also be caused by other factors, so the right side of the scrotum hypertrophy, it is recommended to go to the regular hospital to identify the cause of the disease in a timely manner, and actively cooperate with the doctor standardized treatment, and strive for early recovery.