Pediatric Testicular Ultrasound

Tunica Albuginea

Fibrous capsule of the testes; deep to the tunica vaginalis

Mediastinum testis

Linear structure formed by the convergence of the tunica albuginea posteriorly within the testis

Tubular ectasia of the rete testis

Nonpalpable, asymptomatic, cystic dilatation of the tubules at the mediastinum testes caused by epididymal obstruction. May be bilateral. Common in older patients.

3-6 mm

Normal scrotal wall thickness?

Rete testis

network of tubules between the seminiferous tubules and the epididymis

Tunica Vaginalis

pouch of serous membrane that covers the testes; derived from the vaginal process of the peritoneum