Table 1.
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