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Cholescintigraphy

Cholescintigraphy

Tue, Apr 9, 19, 11:22, 4 Months ago
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Cholescintigraphy

cholescintigraphy is a check finished by using nuclear medicine physicians to diagnose obstruction of the bile ducts (as an instance, via a gallstone or a tumor), disease of the gallbladder, and bile leaks. it on occasion is referred to as a hida scan or a gallbladder scan.

for cholescintigraphy, a radioactive chemical is injected intravenously into the patient. the check chemical is removed from the blood by means of the liver and secreted into the bile that's produced by means of the liver. the take a look at chemical then disperses anywhere that the bile is going-into the bile ducts, the gallbladder, and the intestine. a camera that senses radioactivity (like a geiger counter) is then positioned over the affected person's abdomen and a "image" of the liver, bile ducts, gallbladder and surrounding areas is acquired which corresponds to where the radioactive chemical has traveled in the bile-crammed liver, bile ducts, and gallbladder. cholescintigraphy takes approximately  hours.

there are numerous patterns of radioactivity that may be seen following the injection of the radioactive chemical, and every has a special meaning. if the take a look at chemical isn't always detected within the liver, a diseased liver is probably indicated. if the chemical is absorbed via the liver however no longer secreted into the bile ducts, there in all likelihood is a whole obstruction of the bile ducts exiting the liver. while the take a look at chemical fails to seem in the gallbladder, but is detected in the gut, there possibly is an obstruction of the cystic duct main to and from the gallbladder. (obstruction is most commonly due to gallstones and, less usually, through tumors. parasites, and blood clots additionally can also obstruct now and again.) eventually, if the chemical appears outdoor the liver, bile ducts, gallbladder, or intestine, there probable is a bile leak from the bile ducts or gallbladder.

cholescintigraphy is maximum typically used to diagnose troubles with the gallbladder while different extra normally-done checks, especially ultrasonography, are ordinary or non-diagnostic. cholescintigraphy can be changed with the addition of an intravenous injection of cholecystokinin, the hormone this is commonly launched by using the body after a meal. this hormone causes the gallbladder to agreement and squeeze out its bile into the gut. reduced contraction of the gallbladder following cholecystokinin (i.e., decreased emptying of the radioactivity from the gallbladder) can also mean that there is ailment of the gallbladder itself, specially infection or scarring of the wall.


there are few aspect results to cholescintigraphy. reactions to the radioactive chemical and cholecystokinin are uncommon. the quantity of radioactivity that sufferers are uncovered to is small. the radioactive compound is removed in the stool, and the radioactivity deteriorates swiftly within hours.

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