Case history: 45-year-old female with cholangiocellular carcinoma and known peritoneal carcinosis presents for follow-up scan post surgery and post chemotherapy. Question: Can virtual non-enhanced imaging confirm the presence of a small renal stone in the lower pole of the right kidney found incidentally? Read more

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History A 34 year-old female (A) and a 55 year-old male (B) patient were both referred for MDCT evaluation of a known urinary calculi. A non-enhanced MDCT scan of the abdomen was performed on the Dual Source CT (DSCT) using spiral Dual Energy evaluation. Diagnosis The Dual Energy acquisition allowed not only a … Read more

The following question has been sent by Dr. Ravi Mahal, Radiologist, Boca Radiology Group, USA: We have been using the DECT for Urinary stone composition for the past 6 months.  Recently I had a case where a patient had 2 stones of different compositions; a right uric acid stone and a … Read more

The following study was presented at the UBC Radiology Scientific Day, June 2008 & Stanford Radiology’s 10 th Annual International Symposium on Multidetector CT In May 2008. Purpose: To investigate whether DECT can accurately determine composition of renal calculi at acceptable dose. To observe how this information changes patient management in the … Read more

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The following question has been sent by Luke Riverstone, Radiographer, Qscan Radiology Clinics, Australia: We have recently obtained a Siemens DSCT.  We performed our first DE KUB the other day and the Dual Energy Software indicated that there was 1 Kidney stone that was of a Uric Acid composition and 1 was … Read more