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Seminal vesicle cyst with ipsilateral renal agenesis

Case contributed by Vougiouklis Nikos
Diagnosis certain

Presentation

Examined for perineal pain.

Patient Data

Age: 35 years
Gender: Male

The sonogram shows a hypoechoic cystic mass, 4.0 cm at greatest diameter, approaching the posterior aspect of the right seminal vesicle. Note the lack of the right kidney in the renal fossa. Hypertrophy of the left kidney.

Case Discussion

The differential diagnosis of cystic pelvic masses in the male includes tumor, abscess, large ectopic ureterocele, lymphangioma, lymphocele, Müllerian duct cysts and ejaculatory duct cysts, both of which are midline in location.

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