Table 1.
General characteristic of the included studies
| Author | Country | Publication time | No. of Patient |
Mean age |
Comparison Group | No. of HCA | No. of FNH | Pathology proved(HCA/FNH) | HCA Subtype(I/H/U/b) |
|---|---|---|---|---|---|---|---|---|---|
| Bieze [3] | Netherlands | 2012 | 52 | 39 | HCA VS FNH | 24 | 28 | 24/28 | 0/0/0/0 |
| Grazioli[4] | Italy | 2012 | 82 | 42 | HCA VS FNH | 43 | 68 | 24/24 | 12/23/8/0 |
| Purysko [5] | USA | 2012 | 47 | 42 | HCA VS FNH | 12 | 35 | 18/8 | 0/0/0/0 |
| Mohajer [6] | USA | 2012 | 28 | 35 | HCA VS FNH | 6 | 34 | 6/2 | 0/0/0/0 |
| Grieser [7] | Germany | 2014 | 68 | 41 | HCA VS FNH | 71 | 44 | 71/43 | 6/15/7/1 |
| Ba-Ssalamah [8] | Austria | 2015 | 29 | 43 | HCA | 43 | 0 | 43/0 | 21/10/6/6 |
| Portilha [9] | Portugal | 2011 | 32 | 35 | HCA VS FNH | 8 | 24 | 6/3 | 0/0/0/0 |
| Thomeer [10] | Netherlands | 2014 | 7 | 38 | HCA | 8 | 0 | 8/0 | 5/0/0/0 |
| Agarwal [11] | Canada | 2014 | 7 | 45 | HCA | 24 | 0 | 7/0 | 24/0/0/0 |
| Tse [12] | USA | 2016 | 21 | 39 | HCA | 49 | 0 | 49/0 | 14/20/14/1 |
Abbreviations: FNH=focal nodular hyperplasia; HCA= hepatocellular adenoma; No=number; I=I-HCA; H=H-HCA; U=U-HCA; b=b-HCA.