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  • Title: Diagnosing papillary stenosis by technetium-99m HIDA scanning.
    Author: Pace RF, Chamberlain MJ, Passi RB.
    Journal: Can J Surg; 1983 Mar; 26(2):191-3. PubMed ID: 6825012.
    Abstract:
    The diagnosis of papillary stenosis, occasionally seen after cholecystectomy, is confirmed by endoscopic retrograde cholangiopancreatography (ERCP), which demonstrates delayed emptying of contrast material into the duodenum for more than 45 minutes. The authors assessed 2,6-dimethyl phenyl carbamoyl methyl iminodiacetic acid labelled with technetium-99m (99mTc HIDA) as a less invasive procedure in these circumstances by comparing it with the findings from ERCP. Twenty-six patients who had pain after cholecystectomy were studied by continuous 1-hour scintigraphy after injection of 99mTc HIDA. Biliary flow was estimated by measuring uptake and clearance of the entire liver and common bile duct. Volunteers who had no pain after cholecystectomy served as controls. Of the 26 study patients, all 99mTc HIDA scan findings were within the control range in 11. Of these, 10 had normal biliary drainage confirmed by ERCP. The one patient with delayed drainage did not improve after endoscopic sphincterotomy. Two patients demonstrated pooling of 99mTc HIDA in cystic dilatations of the biliary tree, while the other 13 patients had obstruction of the distal common bile duct and impaired flow demonstrated on the 99mTc HIDA scan. All 13 of these patients had papillary stenosis proven by ERCP. The authors conclude that 99mTc HIDA scanning is a valuable, minimally invasive method of diagnosing papillary stenosis.
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