Abstract
Hepatobiliary scintigraphy and reticuloendothelial system (RES) scintigraphy are the most common nuclear medicine techniques for imaging of liver. Hepatobiliary scintigraphy employs intravenously injected radiopharmaceuticals that are rapidly taken up by the parenchymal cells of the liver and eliminated though the biliary system into the intestine. RES scintigraphy employs technetium 99m (99mTc)-sulfur colloid, which permits static imaging—planar scintigraphy and single photon emission computed tomography (SPECT) of functional hepatic parenchyma by its localization in cells of the RES. It permits evaluation of size, position, displacement, and replacement of functional hepatic and splenic tissue. At present, hepatobiliary scintigraphy is used in pediatric practice more frequently than static RES scintigraphy. Ultrasonography, computed tomography (CT), and magnetic resonance imaging (MRI) have largely replaced RES scintigraphy for the morphologic evaluation of the liver.
Keywords
Single Photon Emission Compute Tomography Biliary Atresia Choledochal Cyst Focal Nodular Hyperplasia Accessory SpleenPreview
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