Scrotum

Hydrocele

Varicocele

Ectasia of the rete testis

Epididymitis / epididymo-orchitis 

Scrotal pearl

Appendix testis

Congenital adrenal hyperplasia (CAH)  / rest tissue 

Epidermoid cysts

Adenomatoid tumors

Testicular microlithiasis 

Seminomas 

"Burnt out” tumor

Lymphoma

Testicular fracture 

Testicular torsion

Fournier gangrene 

Torsion-detorsion syndrome

Scrotal cellulitis

Testicular abscess

Rhabdomyosarcoma is by far the most common extratesticular, intrascrotal neoplasm seen in young males 

Tunica albuginea cyst