Systematic Reviews
Copyright ©The Author(s) 2021.
World J Gastrointest Endosc. Jun 16, 2021; 13(6): 170-183
Published online Jun 16, 2021. doi: 10.4253/wjge.v13.i6.170
Table 1 Intra-hepatic bile duct variants according to Huang’s classification[3]
Description
Taiwan[3], n = 958 (%)
Caribbean, n = 152 (%)
Type A1: The RHD and LHD join to form the CHD. The intra-hepatic RHD is formed by the union of RASD and RPSD. The LHD is formed by the union of LSSD and LISD600 (62.6)109 (71.7)
Type A2: A trifurcation is formed by the union of RASD, RPSD and LHD182 (19)29 (19.1)
Type A3: The RPSD or RASD drains directly into the LHD105 (11)7 (4.61)
Type A4: The RPSD drains directly into the CHD56 (5.8)6 (3.95)
Type A5: The RPSD drains into the cystic duct15 (1.6)0