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  • Title: Preoperative imaging does not predict intrahepatic involvement in choledochal cysts.
    Author: Acker SN, Bruny JL, Narkewicz MR, Roach JP, Rogers A, Karrer FM.
    Journal: J Pediatr Surg; 2013 Dec; 48(12):2378-82. PubMed ID: 24314174.
    Abstract:
    INTRODUCTION: Choledochal cyst (CDC) is a congenital malformation of the bile ducts, which can include the intrahepatic or extrahepatic bile ducts. We hypothesize that preoperative intrahepatic ductal dilation is not predictive of postoperative intrahepatic involvement. METHODS: We retrospectively reviewed all cases of CDC in children diagnosed at a single institution between 1991 and 2013. RESULTS: Sixty-two patients were diagnosed with CDC during the study period with a median follow-up time of 2.25 (range 0-19.5) years. Forty-two patients (68%) were diagnosed with type I disease preoperatively, and 15 patients (24%) were diagnosed with type IV-A disease. The most common presenting symptoms included pain (34%), jaundice (28%), and pancreatitis (25%). There were no deaths or malignancies and only one postoperative stricture. Forty-two patients (68%) had intrahepatic ductal dilation preoperatively. Only four patients (9%) had intrahepatic ductal dilation following resection (P<0.0001). In one patient, this dilation resolved following stricture revision. Of the four patients with postoperative dilation, two were diagnosed with type I disease, and the other two were diagnosed with type IV-A disease preoperatively. CONCLUSION: Preoperative intrahepatic ductal dilation is not predictive of postoperative intrahepatic ductal involvement in children with CDC. The preoperative distinction between type I and IV disease is not helpful in treating these patients.
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