Tubular ectasia of rete testis

Case contributed by Dr. Abdalla Al-Khashmani

Presentation

Gradual onset of right-sided mild scrotal heaviness.

Patient Data

Age: 36
Gender: Male
Modality: Ultrasound

There are multiple small cystic/tubular anechoic structures that replace and enlarge the right testicular mediastinum. No mass.

There was no abnormal vascularity in either testicle.

Normal left testis.

Case Discussion

The geographic shape, lack of mass effect, and lack of internal flow of the mentioned cystic/tubuar anechoic structures are consistent with tubular ectasia of rete testis.

Cystic ectasia of the rete testis must be differentiated from other benign intratesticular lesions, notably cystic dysplasia and intratesticular varicocele. Furthermore, as it is mostly asymptomatic, it should be distinguished from the rare papillary adenocarcinoma of the rete testis, in which a solid mass in the rete testis should be evident.

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Case Information

rID: 34273
Case created: 12th Feb 2015
Last edited: 24th Oct 2015
System: Urogenital
Inclusion in quiz mode: Included

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