Parapelvic Simple Renal Cyst Mimicking Hydronephrosis on MRIClinical HistoryA 74-year old man had an MRI of his spine which revealed an area of possible hydronephrosis in his right kidney. An ultrasound of his kidneys was requested to confirm this.Case DescriptionUltrasound revealed a 6 cm parapelvic simple cyst (renal cyst) in the lower pole. There was also another 2 cm simple cyst adjacent to the former.Diagnosis/ Discussion/ Treatment/ Follow upThese findings were confirmed by an outpatient contrast CT scan of the urinary tract carried out months later.SonogramsA right parapelvic renal cyst B-ModeA right parapelvic renal cyst colour Doppler ImagingAn axial CT scan post-ultrasound confirming the right parapelvic cyst to be a Bosniak 1 categoryA coronal CT scan post-ultrasound confirming the right parapelvic cyst to be a Bosniak 1 categoryPublished on: September 18, 2024
