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PURPOSE To prospectively evaluate the accuracy of hepatic artery diameter and hepatic artery diameter-to-portal vein diameter ratio for ultrasonographic (US) diagnosis of biliary atresia, with cholangiographic or clinical information as reference standard. MATERIALS AND METHODS Institutional review board approval and informed consent were obtained. US was(More)
BACKGROUND/PURPOSE Undifferentiated (embryonal) sarcoma of the liver (USL) is a rare malignancy found in older children, and the most appropriate treatment strategy has been controversial. The authors report the tumor's clinical characteristics and the results of management in 6 children and recommend the best treatment plans based on these findings. (More)
BACKGROUND/PURPOSE The aim of the study was to review the gastrointestinal abnormalities occurring in association with situs anomalies. METHODS Patients with situs anomalies were identified from the medical records of pediatric patients of Seoul National University Children's Hospital from January 1980 to July 2004. Retrospective study was undertaken.(More)
PURPOSE Laparoscopic choledochal cyst excision with Roux-en-Y hepaticojejunostomy (LCE) in children is being attempted more frequently around the world, and although it has been performed in Korea, no publication has been published on it. However, cholangitis and/or pancreatitis are limitations that make open conversion more likely. The aims of this study,(More)
PURPOSE Although the incidence of choledochal cyst (CC) diagnosed in the prenatal or neonatal period is increasing, excision of CC in early infancy is not universally recommended. To validate the rationale of excision of CC in the neonatal period, operative complications and the histologic grade of liver fibrosis at the time of excision of CC were compared(More)
PURPOSE For International Neuroblastoma Staging System (INSS) stages III or IV neuroblastoma (intermediate or high risk), complete excision of the primary tumor is not always feasible. Most current studies on the treatment outcome of these patients have reported on the complete excision status. The aim of this study is to review the treatment outcome after(More)
BACKGROUND/PURPOSE The purpose of this report was to review the results of the antegrade continence enema (ACE) procedure and to compare the outcomes of right and left colon ACEs in children. METHODS Thirty patients who underwent an ACE between 1998 and 2005 were analyzed. Data were obtained based on the following parameters: postoperative soiling,(More)
OBJECTIVES To delineate the clinical and pathological characteristics of solid pseudopapillary neoplasm (SPN), compare them between adults and children, and determine the predictive features suggesting malignant potential. DESIGN Retrospective analysis of patients who underwent surgery for a pathologically confirmed SPN. SETTING Tertiary care referral(More)
Vasoactive intestinal polypeptide (VIP) is known to cause the watery diarrhea, hypokalemia, and achlorhydria syndrome. A 14-year-old girl was admitted with a 4-year history of persistent uncontrollable diarrhea and hypokalemia. Computed tomographic evaluation of the neck, chest, and abdomen were normal. Numerous polyps covering the entire colon and rectum(More)
Hirschsprung disease (HSCR) is a congenital and heterogeneous disorder characterized by the absence of intramural nervous plexuses along variable lengths of the hindgut. Although RET is a well-established risk factor, a recent genome-wide association study (GWAS) of HSCR has identified NRG1 as an additional susceptibility locus. To discover additional risk(More)