Abstract:
:Fifty-one patients underwent both radionuclide and ultrasound studies of the hepatobiliary system. Eleven patients had large bile duct obstruction, six had intrahepatic diffuse small duct obstruction, and 37 had no obstruction. In all 11 patients with large duct obstruction, the radionuclide images were abnormal, but in nine of these studies the level of obstruction could not be determined. Ultrasound was abnormal in nine studies (with correct identification of level), normal in one, and technically inadequate in one, ultrasound scans were also abnormal in six patients without obstruction. In small duct obstruction, the radionuclide scan was abnormal in all six, but in five patients it could not differentiate small from large duct obstruction. In all six patients, ultrasound showed no large duct obstruction, thus allowing identification of the level of obstruction in patients whose radionuclide scans were equivocal. A cost analysis indicated that in suspected large duct obstruction, the best strategy is ultrasound first, followed by radionuclide imaging in all positive or technically inadequate ultrasound studies. In suspected small duct obstruction, the best strategy is radionuclide scanning first followed by ultrasound in all Tc-99m-diethyl-IDA studies equivocal as to level of obstruction.
journal_name
Radiologyjournal_title
Radiologyauthors
Klingensmith WC 3rd,Johnson ML,Kuni CC,Dunne MG,Fritzberg ARdoi
10.1148/radiology.138.1.7455080subject
Has Abstractpub_date
1981-01-01 00:00:00pages
177-84issue
1eissn
0033-8419issn
1527-1315journal_volume
138pub_type
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