Table 2 Histological characteristics.
Histological characteristics | n (%) |
|---|---|
Total AdCC | 14 (100) |
Predominant growth pattern | |
Tubular–cribriform | 11 (78.6%) |
Tubular–trabecular | 2 (14.3%) |
Solid (> 30%) | 1 (7.1) |
Histological features | |
Solid parts (< 30%) | 4 (28.6) |
Necrosis | 3 (21.4) |
Sclerosis | 1 (7.1) |
Cystic changes | 1 (7.1) |
Perineural invasion | 6 (42.9) |
Angioinvasion | 3 (21.4) |
High mitotic index | 4 (28.6) |
High-grade transformation | 2 (14.3) |
Metatypical | 3 (21.4) |
