There are many possible causes of scrotal or testicle pain, such as epididymitis, swelling of the testicle, and problems with other parts of the scrotum.
[urologyhealth.org]
Testicular swelling Most conditions of the scrotum and testicles can cause swelling, including varicocele, testicular torsion, orchitis, epididymitis and hydrocele, to name
[beaumont.org]
Focal testicular infarction can occur as a complication of epididymitis when swelling of the epididymis is severe enough to constrict the testicular blood supply.
[radiologyassistant.nl]