Grading system of salivary mucoepidermoid carcinoma
2015年9月21日
AFIP (Armed Forces Institute of Pathology) grading system
| Parameter | Point value |
| Intracystic component <20% | +2 |
| Neural invasion present | +2 |
| Necrosis present | +3 |
| Mitosis (4 or more per 10 HPF) | +3 |
| Anaplasia present | +4 |
| Grade | Point score |
| Low | 0-4 |
| Intermediate | 5-6 |
| High | 7-14 |
1.Goode RK, et al. Mucoepidermoid carcinoma of the major salivary glands. Clinical and histopathologic analysis of 234 cases with evaluation of grading criteria. Cancer 1998;82:1217-24.
執筆日：2013/06/28
執筆者：神戸大学医学部附属病院病理診断科 酒井康裕
