PMC6232627_01
CT scan, axial view, showing absence of hydronephrosis bilateral.
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The US examination of kidney and bladder revealed no alterations and the contrast enhanced CT scan performed at emergency in one of the episodes revealed a heterogeneous uptake of intravenous contrast in left kidney in favor of pyelonephritis, but absence of urinary system obstruction (Fig. 1, Fig. 2).
Renal DMSA scan showing a left kidney with decreased uptake of DMSA with several cortical lesions.
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The differential kidney function was 70% for right kidney and 30% for the left kidney (Fig. 3) and the VCUG revealed a left grade II VUR (Fig. 4).