Ipsilateral seminal vesicle and renal agenesis

Case contributed by Dr Eid Kakish

Presentation

Presenting with cough, investigated by a chest CT scan. Incidental single kidney found in the upper cuts of the abdomen.

Patient Data

Age: 40 years
Gender: Male
CT

Unenhanced CT Abdomen

Empty left renal bed, consistent with left renal agenesis. The right kidney displays compensatory hypertrophy with a tiny cortical cyst arising from its lower pole. No right renal stones or hydronephrosis. The right ureter and urinary bladder are unremarkable. 

Absent left seminal vesicle (seminal vesicle agenesis). The left ductus deferens is hypoplastic compared to the normally appearing contralateral side. Unremarkable right seminal vesicle. 

Incidental fat-containing left inguinal hernia. 

Incidental ovoid hypoattenuating right adrenal lesion, likely representing a lipid-rich adenoma

Ultrasound

Left hemiscrotal ultrasound

Left epididymal enlargement, demonstrating a speckled appearance secondary to tubular ectasia (tubular ectasia of the epididymis).

The mediastinum testis appears expanded, containing multiple enlarged anechoic tubular structures, consistent with tubular ectasia of rete testis

Irregular anechoic left epididymal cystic lesion, likely representing a small spermatocele

This constellation of findings is consistent with obstruction of the ductus deferens.

Case Discussion

Agenesis of the seminal vesicles and ductus deferens is closely associated with urinary tract anomalies, usually renal agenesis, but other renal anomalies can also occur. Normal kidneys can be found in up to 9% of cases. 

This is a case of unilateral seminal vesicle and ductus deferens agenesis, associated with agenesis of the ipsilateral kidney, with sonographic changes of left ductus deferens obstruction, manifested by tubular ectasia of the left epididymis and rete testis, associated with a small left spermatocele.

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Case information

rID: 87471
Published: 4th Mar 2021
Last edited: 9th Mar 2021
System: Urogenital
Inclusion in quiz mode: Included
Institution: MedRay - Jordan

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