PMC6222210_01
Sagittal (A) and axial (B) MRI images show a large (~5 x 6.5 x 8 cm) tubular fluid-filled structure originating from the left seminal vesicle consistent with seminal vesicle cyst. A small left ureteral stump is evident, consistent with rudimentary ureter.
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MRI confirmed the diagnosis of a huge cystic structure originating from the left seminal vesicle and identified the presence of a rudimentary left ureter without an associated renal unit (Fig. 1A, B).