Cholescintigraphy in the diagnosis and assessment of benign papillary stenosis.
Benign papillary stenosis (BPS) is an uncommon condition, the diagnosis of which is often difficult. In this report cholescintigraphy with technetium-99m diethyl-acetanilido-iminodiacetic acid has been evaluated for the diagnosis of BPS, as well as for assessing the effect of treatment by endoscopic sphincterotomy (ES). In 12 patients with BPS, cholescintigraphy was performed before and after ES and the findings compared with those in ten controls. Time-activity curves from regions over the liver and bowel were generated. A significant difference was found in respect of the time for maximum activity (Tmax) over the liver before and after ES. The time for occurrence of bowel activity (Texcr) also showed significant differences before and after ES. Considering both Tmax and Texcr mean values plus two standard deviations in the control group, all BPS patients would have been detected and there would have been no false-positives among the controls. It is concluded that cholescintigraphy should be used in the diagnosis of BPS. The method has high sensitivity and should be applied as an early diagnostic procedure to exclude BPS in patients with clinical suspicion of the disorder. The method can also be used for assessment of endoscopic treatment (ES).[1]References
- Cholescintigraphy in the diagnosis and assessment of benign papillary stenosis. Persson, B., Axelsson, B., Jacobsson, H. European journal of nuclear medicine. (1993) [Pubmed]
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