Ipsilateral renal/seminal vesicle agenesis
Right loin pain.
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Concomitant agenesis of the left kidney as well as the left seminal vesicles. Ectpoic position of the right kidney at the right lumbar region.
Seminal vesicle agenesis cannot be an isolated findings, and it is usually seen in two situations. The first situation may be attributed to an insult of the mesonephric duct during embryogenesis and is generally associated with ipsilateral or bilateral agenesis or ectopia of the vas deferens. If the insult occurs before 7 weeks of gestation, patients will suffer ipsilateral renal agenesis as in our case. The second situation of bilateral or unilateral seminal vesicle agenesis is associated with ipsilateral agenesis of the vas deferens, however, the kidneys are normal. A patient with Zinner syndrome is usually a male in the 3rd or 4th decade with a triad of unilateral renal agenesis, ipsilateral seminal vesicle cyst, and ejaculatory duct obstruction.
- American Journal of Roentgenology. 2007;189: 130-135. 10.2214/AJR.06.1345