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Patient: 39 year old female |
History: 39 year old female: Refractory large B cell lymphoma currently on chemotherapy with R- ESHAP, who was admitted with abdominal pain. CT demonstrated interval development of moderate left hydronephrosis and hydroureter due to an obstructive mass within the pelvis. Evaluate renal obstruction |
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Findings: RADIOPHARMACEUTICAL: 7.8 mCi Tc-99m MAG3 i.v. and 40 mg furosemide i.v.
On Post-Lasix sequential images, there is prompt clearance of pelvicalyceal activity on both sides. Some activity is seen inferior to the left kidney on the postlasix projection. No abnormal fluid collection was seen on the CT. This activity was confirmed to be in bowel on the 24-hour delayed images. |
DDx: 1. Vicariously (hepatobiliary) excreted Tc-99m MAG3 in bowel. 2. Urine leak |
Diagnosis: Vicariously excreted Tc -99m MAG3 from the hepatobiliary system into the bowel. |
References: Niederkohr, Ryan D. MD; McDougall, I Ross MD, PhD; Clinical Nuclear Medicine. 32(12):915-919, December 2007; Incidental Gallbladder Visualization on Nonhepatobiliary Nuclear Medicine Studies: Case Series and Review of the Literature. |
Comments: No comments posted. |
Additional Details:
Case Number: 120355Owner(s): Kartikeya Kantawala and Henry RoyalLast Updated: 02-07-2013 The reader is fully responsible for confirming the accuracy of this content. |