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Cholescintigraphy or hepatobiliary scintigraphy is scintigraphy of the hepatobiliary tract, including the gallbladder and bile ducts.The image produced by this type of medical imaging, called a cholescintigram, is also known by other names depending on which radiotracer is used, such as HIDA scan, PIPIDA scan, DISIDA scan, or BrIDA scan.
The image produced by this type of medical imaging, called a cholescintigram, is also known by other names depending on which radiotracer is used, such as HIDA scan, PIPIDA scan, DISIDA scan, or BrIDA scan. Cholescintigraphic scanning is a nuclear medicine procedure to evaluate the health and function of the gallbladder and biliary system.
A radioactive tracer, radiotracer, or radioactive label is a synthetic derivative of a natural compound in which one or more atoms have been replaced by a radionuclide (a radioactive atom). By virtue of its radioactive decay , it can be used to explore the mechanism of chemical reactions by tracing the path that the radioisotope follows from ...
Tc99m-HIDA (Hepatic iminodiacetic acid) Functional biliary system imaging IV In-vivo: Imaging Tc99m-Denatured (heat damaged) red blood cells Red cell volume. Spleen imaging IV In-vitro: Non-imaging Tc99m-Whole red blood cells GI bleeding. Cardiac blood pool imaging Peripheral vascular imaging IV In-vivo: Imaging Tc99m-MAG3 ...
Type II included patients with biliary-type abdominal pain associated with at least one of the following: altered liver enzymes on blood testing, dilated biliary ducts on imaging tests, and delayed bile clearance on HIDA scan. Biliary-type pain in the absence of any sign of biliary or pancreatic alteration was the so-called Type III biliary SOD.
Mebrofenin is a chelate composed of two molecules of a lidocaine analogue, attached to a technetium-99m ion. All of the hepatobiliary visualization agents previous to mebrofenin have the same structural composition with changes only of the substituants on the phenyl ring of the lidocaine analogue molecules.
An octreotide scan is a type of SPECT scintigraphy used to find carcinoid, pancreatic neuroendocrine tumors, and to localize sarcoidosis. It is also called somatostatin receptor scintigraphy (SRS). Octreotide , a drug similar to somatostatin , is radiolabeled with indium-111 , [ 1 ] and is injected into a vein and travels through the bloodstream.
PET radiotracer is a type of radioligand that is used for the diagnostic purposes via positron emission tomography imaging technique. [1] [2] Mechanism