Table 3 Histopathological and immunohistochemical data and staging
From: Clinicopathological features and surgical outcomes of neuroendocrine tumors of ampulla of Vater
Case | Size (cm) | Lymph node metastasis (n) | Mitosis (/10HPF) | Ki-67 (%) | Lymphovascular invasion | Perineural invasion | WHO | ENETS | UICC |
|---|---|---|---|---|---|---|---|---|---|
1 | 2.2 | No (0/12) | 1 | 1 | Yes | No | G1 | IIA | IA |
2 | 1.2 | No (0/20) | 102 | 70 | Yes | No | G3 | IIB | IIA |
3 | 1.5 | Yes (1/17) | 5 | 3 | No | No | G2 | IIIB | IIB |
4 | 2.6 | Yes (4/20) | 4 | 4 | Yes | No | G2 | IIIB | IIB |
5 | 2.0 | No (0/50) | 1 | 5 | No | No | G2 | IIA | IB |