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. 2019 Jul-Sep;15(3):185–191. doi: 10.4103/jmas.JMAS_75_18

Table 1.

Characteristics of included studies

Author Study period Country of origin Sample size (male/female ratio) Age (years)a Caterpillar hump RHA, n (%) Relationship with CBD Number of loops





Surgery Cadaver Surgery Cadaver Surgery Cadaver Anterior Posterior One Two
El Maksoud[1] 2014 Saudi Arabia 1 female - 38 years old - 1 - 1 - 1 -
Kavitha Kamath[13] 2008-2013 India - 40 (NR) - NR - 2 (5) - 2 (100) 1 (50) 1 (50)
Jansirani et al.[15] 2006-2011 India - 60 (NR) - NR - 3 (5) 1 (33.4) 2 (66.6) 1 (33.4) 2 (66.6)
Al-Sayigh[20] 2007-2008 Iraq 50 (8/42) - Range, 20-69 - 9 (6) - NR NR NR NR
Badagabettu et al.[21] 2012 India - 1 male - 60 years old - 1 - 1 1 -
Bergamaschi and Ignjatovic[22] 1997 Jugoslavia - 90 (47/43) - 59 (range, 26-83) - 9 (12.9)* NR NR NR NR
Dandekar et al.[23] NR India - 60 (56/4) - NR - 8 (13.3) 4 (50) 4 (50) 2 (25) 6 (75)
Eid et al.[24] NR Japan - 27 (NR) - NR - 1 (3.7) 1 - 1 -
Johnston and Anson[25] 1952 US - 35 (NR) - NR - 1 (2.8) NR NR NR NR
Mugunthan et al.[26] 2012-2015 India - 60 (NR) - Range, 50-80 - 2 (3) 1 (50) 1 (50) 2 (100) -
Sangameswaran and Devi[27] NR India - 60 (NR) - NR - 2 (3.3) - 2 2 -
Balija et al.[28] NR Croatia 200 (NR) - NR - 11 (5.5) - NR NR NR NR
Bhargava et al.[29] 2012 India 1 female - 25 years old - 1 - NR NR NR NR
Dawani et al.[30] NR Pakistan 136 (16/120) - 40.9±12.3 (range, 21-71) - 8 (5.9) - NR NR NR NR
Scott-Conner and Hall[31] 1992 US 51 (NR) - NR - 2 (3.9) - NR NR NR NR
Benson and Page[32] 1972-1975 UK 140 (NR) 65 (NR) NR NR 9 (6.4) 5 (7.6) NR NR NR NR

*Data on vascular anomalies were drawn from 70 of the 90 cadavers, aEither mean (SD) or median (range). NR: Not reported, RHA: Right hepatic artery, CBD: Common bile duct, US: United States of America, SD: Standard deviation