Lankanath Alwis

A clear understanding of normal physiological distribution of the radiopharmaceutical, commonly encountered normal variants, and benign pathologic uptake is important to avoid mistaken diagnosis on an F-18 FDG PET scan. The distribution of FDG in the bowel is variable and may occasionally lead to diagnostic pitfalls. Chilaiditi sign is a well-known anatomic variant and describes the interposition of bowel between the liver and diaphragm. The authors present a case where an apparent ...

The importance of monitoring renal function in patients undergoing cystectomy and urinary diversion is well established. Dynamic renography using Tc-99m MAG3 in combination with furosemide challenge has been widely used to determine the differential function of the kidneys, occurrence of reflux as well as the patency of the outflow tract in this context. The authors have described here a patient in whom significant urinary reflux from the neo-bladder into the nonfunctioning kidney was ...