Kangarloo H, Sarti D A, Sample W F, Amundson G
Pediatr Radiol. 1980;9(1):15-8. doi: 10.1007/BF00973963.
Four different sonographic patterns which may be encountered in choledochal cyst are described. The most common form is concentric dilatation of the common bile duct (Type I). Rarely eccentric dilatation of the common bile duct, diverticulum, may be seen (Type II). Both forms of the disease may (Types IB and IIB) or may not (Types IA and IIA) be asso"iated with intrahepatic biliary dilatation.
本文描述了在胆总管囊肿中可能出现的四种不同超声图像模式。最常见的形式是胆总管同心性扩张（I型）。罕见的胆总管偏心性扩张即憩室也可能出现（II型）。这两种疾病形式可能（IB型和IIB型）或可能不（IA型和IIA型）伴有肝内胆管扩张。
