PMC5709286_01
Computed tomography showing bilateral ureterectasis (arrow) (A) and hydronephrosis (arrow) (B).
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Ultrasound and computed tomography revealed bilateral ureterectasis and hydronephrosis (Fig. 1).
Ureteroscopy revealed several papillary masses at left-side lower ureter, which were clinically considered to be malignancies.
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Ureteroscopy detected a stricture in the right-side lower ureter and several papillary masses in the left-side lower ureter (Fig. 2).
Pathological examination of an ureteroscopic biopsy revealed an adenoid tubular structure consisting of a single layer of cuboidal epithelium in the lamina propria of the urothelium.
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The pathological examination of the ureteroscopic biopsy revealed an adenoid tubular structure which consisted of a single layer of cuboidal epithelium in the lamina propria of the urothelium (Fig. 3).