Table 1.
Clinicopathological features of patients with head and neck AdCC
| Characteristics | n (%) |
|---|---|
| Sex | |
| Male | 40 (46.0) |
| Female | 47 (54.0) |
| Age | |
| ≤ 50 years | 42 (48.3) |
| > 50 years | 45 (51.7) |
| Mean ± standard deviation | 51.5 ± 14.8 |
| Primary site | |
| Parotid gland | 27 (31.0) |
| Submandibular gland | 15 (17.2) |
| Palate | 19 (21.8) |
| Tongue | 5 (5.7) |
| Nasal cavity/paranasal sinus/nasopharynx | 10 (11.4) |
| Lacrimal gland | 4 (4.6) |
| Other sites | 7 (8.0) |
| Tumor size (T) | |
| T1 | 23 (26.4) |
| T2 | 21 (24.1) |
| T3 | 14 (16.1) |
| T4 | 29 (33.3) |
| Lymph node metastasis (N) | |
| N0 | 75 (86.2) |
| N1 | 7 (8.0) |
| N2 | 3 (3.4) |
| N3 | 2 (2.3) |
| Distant metastasis (M) | |
| M0 | 73 (83.9) |
| M1 | 14 (16.1) |
| TNM stage | |
| I | 21 (24.1) |
| II | 17 (19.5) |
| III | 10 (11.5) |
| IV | 39 (44.8) |
| Histopathological pattern | |
| Tubular | 31 (35.6) |
| Cribriform | 36 (41.4) |
| Solid | 20 (23.0) |
| Perineural invasion | |
| Absent | 33 (37.9) |
| Present | 54 (62.1) |
| Surgical margins | |
| Negative | 50 (57.5) |
| Positive | 37 (42.5) |
| Treatment | |
| Surgery | 16 (18.4) |
| Surgery + RT | 38 (43.7) |
| Surgery + ChT | 2 (2.3) |
| Surgery + RT + ChT | 26 (29.9) |
| RT + ChT | 4 (4.6) |
| ChT | 1 (1.1) |
| Recurrence | |
| No | 57 (65.5) |
| Yes | 30 (34.5) |
| Survival statusa | |
| Remission | 40 (49.4) |
| Disease in progression | 12 (14.8) |
| Death caused by tumor | 29 (35.8) |
| Total | 87 (100.0) |
TNM tumor-node-metastasis, RT radiotherapy, ChT chemotherapy
aSix cases had no information regarding survival status