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Fig. 6 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 6

From: Imaging of urinary tract in children in different clinical scenarios: a guide for general radiologists

Fig. 6

2-year-old boy with history of recurrent UTI with history of right nephrectomy and left renal duplex system and ureterocele underwent incision. a Coronal MRU reveals preserved parenchyma of the upper moiety (arrowhead) and P3 UTD the lower moiety (associated with ureteric dilatation (long arrows). Note relative parenchymal thinning of the lower moiety compared to the upper one. The ureter of the upper moiety is not dilated (short arrow). b Dynamic MRU reveals a multiple blood vessels rather than single renal artery supplying the left kidney; normal excretory function of the upper moiety with earlier appearance of the right ureter (short arrow); relatively mild delay in contrast excretion into the ureter of the lower moiety (long arrow). RTT of the upper pole = 171, lower pole = 251 s. c Time intensity curve of the upper moiety shows normal drainage (upper curve), while there is plateau curve of the lower moiety (lower curve). d DTPA dynamic renal scintigraphy shows early photopenic area at the region of the lower moiety which fills up with tracer. e Axial MRU shows the incised ureterocele

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