Presentation
Known case of ADPKD with end-stage renal failure, presented with left flank pain.
Patient Data
Enlarged kidneys with multiple well-defined cysts of various size are noted bilaterally. A hypoechoic solid mass with foci of calcification is seen in the left kidney. A blood flow is seen within the mass on color Doppler.
Both kidneys are enlarged with innumerable well-defined cysts of various size (up to 8x7 cm on the right, and 8x5 cm on the left). They display a low signal on T1WI, high signal on T2WI with no restricted diffusion on DWI/ADC. On the left there is a solid mass of mediorenal location measuring 7x6 cm of intermediate signal intensity on T1WI, heterogeneous high signal on T2WI with restricted diffusion on DWI/ADC.
No hepatic, pancreatic or splenic cyst seen.
Case Discussion
MRI features suggestive of a malignant renal tumor in a patient with autosomal dominant polycystic kidney disease (ADPKD)
In ADPKD, there is no increased risk for renal cell carcinoma (RCC) unless the patient is undergoing prolonged dialysis 1.
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