Table 2.
Hepatic resection categories.
| Hepatic resection category | Subcategory | Number | Extended to segment 1 |
|---|---|---|---|
| Major hepatectomy (76.3%) | Right trisectionectomy | 37 | 7 |
| Left trisectionectomy | 16 | 12 | |
| Right hepatectomy | 85 | 6 | |
| Left hepatectomy | 55 | 36 | |
| Minor hepatectomy (23.7%) | Right anterior and left medial sectionectomies | 9 | |
| Right posterior sectionectomy | 1 | ||
| Left lateral sectionectomy | 12 | ||
| Left medial sectionectomy | 5 | ||
| Segmentectomy 1 | 2 | ||
| Segmentectomy 3 | 1 | ||
| Segmentectomy 5 | 1 | ||
| Segmentectomy 6 | 2 | ||
| Segmentectomy 8 | 2 | ||
| Bisegmentectomy 4,5 | 4 | ||
| Bisegmentectomy 5,6 | 14 | ||
| Bisegmentectomy 7,8 | 1 | ||
| Wedge | 6 | ||
| Total | 253 | 61 |
Hepatic resection categories were defined according to the Brisbane 2000 Terminology of Liver Anatomy and Resections [12].