Table 3 Histopathological characteristics of the malignant tumors of the appendix (n = 29)
From: Incidence of appendiceal neoplasms in appendectomy patients
Variable | Characteristic | n(%) |
|---|---|---|
Size (centimeters) | ||
< 1 | 17 (58.6) | |
1–2 | 8 (27.6) | |
> 2 | 2 (6.9) | |
No data | 2 (6.9) | |
Parietal commitment | ||
Mucous membrane | 0 (0) | |
Submucosa | 3 (10.3) | |
Muscular | 6 (20.7) | |
Subserosa | 9 (31.0) | |
Serosa | 3 (10.3) | |
NA | 8 (27.6) | |
Commitment of the mesoappendix | ||
Yes | 7 (24.1) | |
No | 2 (6.9) | |
NA | 20 (69) | |
Lymphovascular invasion | ||
Yes | 1 (3.4) | |
No | 23 (79.3) | |
NA | 5 (17.2) | |
Resection margins | ||
Committed | 1 (3.4) | |
Free | 26 (89.7) | |
NA | 2 (6.9) |