Preoperative imaging does not predict intrahepatic involvement in choledochal cysts.
Shannon N Acker1, Jennifer L Bruny, Michael R Narkewicz
1Department of Surgery, Division of Pediatric Surgery, University of Colorado School of Medicine and Children's Hospital Colorado, Aurora, CO 80045, USA.
Journal of Pediatric Surgery
|December 10, 2013
Summary
Preoperative intrahepatic ductal dilation does not predict postoperative involvement in children with choledochal cysts (CDC). Distinguishing between CDC types I and IV before surgery is not beneficial for treatment outcomes.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Congenital Malformations
Background:
- Choledochal cyst (CDC) is a congenital bile duct malformation.
- Intrahepatic or extrahepatic bile ducts can be affected.
- The predictive value of preoperative intrahepatic ductal dilation for postoperative involvement is unclear.
Purpose of the Study:
- To determine if preoperative intrahepatic ductal dilation predicts postoperative intrahepatic involvement in pediatric choledochal cyst (CDC) cases.
- To assess the utility of preoperative CDC type classification (I vs. IV) in guiding treatment.
Main Methods:
- Retrospective review of pediatric CDC cases diagnosed between 1991 and 2013.
- Analysis of preoperative and postoperative intrahepatic ductal dilation.
- Correlation of dilation with CDC type and surgical outcomes.
Main Results:
- Sixty-two pediatric CDC patients were analyzed.
- 68% had preoperative intrahepatic ductal dilation; only 9% had it postoperatively (P<0.0001).
- Preoperative CDC type I or IV did not correlate with postoperative dilation.
Conclusions:
- Preoperative intrahepatic ductal dilation is not a reliable predictor of postoperative involvement in pediatric CDC.
- Preoperative differentiation between CDC types I and IV offers no clear advantage for treatment planning.


