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6 (9: 67 "8 4> -$) - ) %& ()* +, -/ $, 0 :0, 1 1- Rogers TN, Woodly H, Ramsden W, Wyatt JL, MD Stringer Solitary liver cysts in children: not always so simple J Pediatr Surg 007; 4: Fitos S, Erden A, Boruban S Magnetic resonance cholangiopancreatography of biliary system Clin Imag 007; 31: Wiseman K, Buczkowski AK, Chung SW, Francoeur J, Schaeffer D, Scudamore CH Epidemiology, presentation, diagnosis, and outcomes of choledochal cysts in adults in an urban environment Am J Surg 005; 189 (5): Jordan PH Jr, Goss JA Jr, Rosenberg WR, Woods KL Some considerations for management of choledochal cysts Am J Surg 004; 187 (6): Todani T, Watanabe Y, Narusue M, Tabuchi K, Okajima K Congenital bile duct cysts: Classification, operative procedures, and review of thirty-seven cases including cancer arising from choledochal cyst Am J Surg 1977; 134 (): Babbitt DP, Starshak RJ, Clemett AR Choledochal cyst: a concept of etiology Am J Roentgenol Radium Ther Med 1973; 1199 (1): Hata Y, Sasaki F, Takahashi H, Tamura M, Ohkawa Y, Saji Y, et al Surgical treatment of congenital biliary dilatation associated with pancreaticobiliary maljunction Surg Gynecol Obstet 1993; 176 (6): Trinidad-Hernandez M, Rivera-Prez VS, Hermosillo- Sandoval JM Adult choledochal cysts Am J Surg 007; 193 (): 1-9- Fieber SS, Nance FC Choledochal cyst and neoplasm: a comprehensive review of 106 cases and presentation of two original cases Am Surg 1997; 63: Katyal D, Lees GM Choledochal cyst: a retrospective review of 8 patients and review of the literature Can J 199; 65: Kim SH, Lim JH, Yoon HK, Han BK, Lee SK, Kim YI Choledochal cyst: comparison of MR and conventional cholangiography Clin Radiol 000; 55 (5): Weyant MJ, Maluccio MA, Bertagnolli MM, Daly JM Choledochal cysts in adults: a report of two cases and review of the literature Am J Gastroenterol 1998; 93: Spitz L Choledochal cyst Surg Gynecol Obstet 1978; 147: Jordan PH Jr, Goss JA Jr, Rosenberg WR, Woods KL Some considerations for management of choledochal cysts Am J Surg 004; 187 (6): Howell CG, Templeton JM, Weiner S, Glassman M, Betts JM, Witzleben CL Antenatal diagnosis and early surgery for choledochal cyst J Pediatr Surg 1983; 18 (4): Iwai N, Deguchi E, Yanagihara J, Iwai M, Matsuo H, Todo S, Imashuku S Cancer arising in a choledochal cyst in a 1-year-old girl J Pediatr Surg 1990; 5 (1): Kasai M, Asakura Y, Taira Y Surgical treatment of choledochal cyst Ann Surg 1970; 17 (50): Fu M, Wang Y, Zhang J Evolution in The treatment of choledochus cyst J Pediatr Surg 000; 35 (9): Chijiiwa K, Tanaka M Late Complications after excisional operation in patient with choledochal cyst J Am Coll 1994; 179: Hata Y, Sasaki F, Takahashi H, Tamura M, Ohkawa Y, Saji Y, et al Surgical treatment of congenital biliary dilatation associated with pancreaticobiliary maljunction Surg Gynecol Obstet 1993; 176 (6): Miyano T, Yamataka A, Kato Y, Segawa O, Lane G, Takamizawa S, et al Hepaticoenterostomy after excision of choledochal cyst in children: a 30-year experience with 180 cases J Pediatr Surg 1996t ; 31 (10):1417-1

7 "#$ Title: A case report of choledochal cyst in a 16 month infant Authors: F Salehi 1, MM Hassanzadeh Taheri, H Riyasi 3 Abstract Liver cysts in children are uncommon abnormalities which can now be easily diagnosed by means of modern technical diagnostic imaging and treated in due course Choledochal cysts are rare congenital cystic dilatations of the biliary tract, which can involve the intra- or extrahepatic bile ducts The estimated incidence in North America is 1: 150,000 live births This infrequent anomaly occurs more commonly in Asian female infants This article presents a rare congenital case of choledochal cyst The patient is a 16 month female infant in Zahedan, who was taken to the pediatric ward of Ali ebne Abutaleb hospital by her parents Her chief disorder was a progressive abdominal mass reported by her parents In physical examination a palpable right upper quadrant abdominal mass was found; in the absence of jaundice and achromatic stool Abdominal radiography showed a dilated extrahepatic duct and a sub-hepatic cystic mass with mm dimensions and 400 cc volume, which was confirmed by abdominal MRI and MRCP techniques The patient underwent an exploratory laparatomy, which revealed a type III choledochal cyst (choledochocele) The cyst was resected completely and the biliary tract was bypassed The patient was discharged while she was in good general condition and her following up showed no post -operative complications such as malignancy, stenosis, cholangitis and cholelithiasis Key Words: Choledochal cyst; Congenital; Infant; Biliary tract; Anomaly 1 Corresponding Author; Pediatrician; Birjand University of Medical Sciences Birjand, Iran forodsalehi@yahoocom Assistant Professor, Department of Anatomy, Faculty of Medicine, Birjand University of Medical Sciences Birjand, Iran 3 Physician, Birjand University of Medical Sciences Birjand, Iran