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Joseph Junewick, MD FACR
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Rete testis ectasia

Case Detail

Anatomy: Genitourinary
Joseph Junewick, MD FACR
Diagnostic Category: Developmental
Created: over 11 years ago
Updated: over 11 years ago
Tags: PEDS
Modality/Study Types: US
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Newborn with prenatal hydronephrosis; abnormal scrotal examination.

Case Images


Rete testis ectasia.


US – Round and tubular cystic collections at the level of the mediastinum testis;no flow demonstrated on color Doppler.


Dilated rete testis is uncommon in children; usually it is seen in adults with an average age of diagnosis of 62 years. This condition is likely related to blockage of the efferent ductules or to abnormality of the epididymus or vas deferens and are occasionally associated with epididymal cysts.


Burrus JK, et al. Cystic ectasia of the rete testis: Clinical and radiographic features. J Urolog (2002); 168:1436-1438.

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