Hepatobiliary excretion of 99mTc-EC: A potential source of mistake in the interpretation of renal scintigraphy

A 10-year-old boy with a history of bloody discoloration of urine following recent appendectomy was referred to our department for urinary leakage/fistula evaluation. A renal Technetium-99m-L,L-ethylenedicysteine (99mTc-EC) scintigraphy was performed. After injection of radiotracer, a focus of activ...

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Bibliographic Details
Published in:Majallahī-i pizishk-i hastahī Īrān 2018-10, Vol.26 (2), p.121
Main Authors: Haghighatafshar, Mahdi, Ghaedian, Tahereh
Format: Article
Language:English
Subjects:
Appendectomy
Blood
Discoloration
Excretion
Fistula
Gallbladder
Medical imaging
Nuclear medicine
Patients
Radioactive tracers
Scintigraphy
Teaching hospitals
Technetium
Technetium isotopes
Tomography
Urine
Visualization
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Summary:A 10-year-old boy with a history of bloody discoloration of urine following recent appendectomy was referred to our department for urinary leakage/fistula evaluation. A renal Technetium-99m-L,L-ethylenedicysteine (99mTc-EC) scintigraphy was performed. After injection of radiotracer, a focus of activity appeared in the supralateral part of the right kidney which was confirmed as accumulation of radiotracer in the gall bladder by SPECT and delayed images. Although it is stated that the biliary excretion of 99mTc-EC is negligible, in some cases it could be prominent and potential source of misinterpretation.
ISSN:1681-2824