Table 1.
Literature review.
| Number | Author | Year | Study cohort | Reported cases | IJV anomalies | Prevalence |
|---|---|---|---|---|---|---|
| 1 | Prades et al. (13) | 2002 | 750 | 3 | Duplication | 0.4% |
| 2 | Gardiner et al. (14) | 2002 | 1 | 1 | Bifurcation | – |
| 3 | Turan-Ozdemir et al. (15) | 2004 | 1 | 1 | Duplication | – |
| 4 | Alaani et al. (16) | 2005 | 1 | 1 | Duplication | – |
| 5 | Nayak et al. (17) | 2006 | 1 | 1 | Duplication | – |
| 6 | Downie et al. (6) | 2007 | 1 | 2 | Duplication | – |
| 7 | Biondi et al. (9) | 2009 | 1 | 1 | Fenestration | – |
| 8 | Ozturk et al. (18) | 2010 | 1 | 1 | Fenestration | – |
| 9 | Dogan et al. (19) | 2010 | 1 | 1 | Duplication | – |
| 10 | Wong et al. (20) | 2010 | 1 | 1 | Duplication | – |
| 11 | Thakur et al. (21) | 2011 | 1 | 1 | Fenestration | – |
| 12 | Kapre et al. (22) | 2012 | 1 | 1 | Duplication | – |
| 13 | Hashimoto et al. (7) | 2012 | 123 | 4 | Fenestration | 3.3% |
| 14 | Bacchoo et al. (23) | 2014 | 1 | 1 | Duplication | – |
| 15 | Moreno-Sánchez et al. (12) | 2015 | 1 | 1 | Fenestration | – |
| 16 | Pegot et al. (24) | 2015 | 1 | 1 | Fenestration | |
| 17 | Deepak et al. (25) | 2015 | 3 | 3 | Fenestration, Duplication, Posterior tributary | – |
| 18 | Bathala et al. (8) | 2015 | 1 | 1 | Duplication | – |
| 19 | Cvetko (10) | 2015 | 1 | 1 | Fenestration | – |
| 20 | Contrera et al. (26) | 2016 | 295 | 3 | Fenestration, Duplication, Bifurcation | 1% |
| 21 | Ibrahim et al. (11) | 2016 | 2 | 2 | Fenestration | – |
| 22 | Nayak et al. (27) | 2017 | 1 | 1 | Bifurcation | – |
| 23 | Cvetko et al. (28) | 2017 | 1 | 1 | Fenestration | – |
| 24 | Abakay et al. (29) | 2019 | 1 | 1 | Fenestration | |
| 25 | This manuscript | 2020 | 221 | 2 | Fenestration and Duplication | 0.9% |