Evaluation of diagnostic efficacy of hepatobiliary scintigraphy as a diagnostic procedure in pediatric practice with special reference to cholestatic jaundice

D. K. Singh, Rajesh Kumar Yadav, Mukesh Veer Singh, Mamta Singh, D. K. Hazra, Meena Singh

Abstract


Background: The objective was to assess the diagnostic efficacy of hepatobiliary scintigraphy (Tc99 mebrofenin) in case of cholestatic jaundice in pediatric practice.

Method: Study conducted on 45 cases from 0-6 yrs. of age. Out of 45 pt 20 pt excluded from study Hepatobiliary Scintigraphy (Tc99m Mebrofinin) was performed in 25 cases. Injection of Tc99m mebrofinin (1-2 mCi) IV was given to each subject. Dynamic hepatic scan was done upto initial 1 hour study and additional delayed images were taken at 4 & 24 hrs only in case of non-visualization of tracer in the intestine after initial 1 hr. study.

Results: In this study hepatobiliary scintigraphy was 100% sensitive, 93.73% specific, 80% positive predictive values, 100% negative predictive value, 6.23% false positive result and virtually no false negative result for biliary atresia.

Conclusion: It is concluded that Tc99m mebrofenin hepatobiliary scintigraphy has proven to be reliable noninvasive imaging modality in evaluating cholestatic jaundice in pediatric practice as it carries a high sensitive & specific value, good positive & no negative predictive value, few false positive & virtually no false negative results.

 


Keywords


Hepatobiliary Scintigraphy, Cholestatic jaundice, Mebrofinin Tc99m

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