Table 2 Histopathological grading for each histologic subtype of parotid cancer
From: Outcome analysis of 215 patients with parotid gland tumors: a retrospective cohort analysis
Histology | Grade I (%) | Grade II (%) | Grade III (%) |
|---|---|---|---|
Acinic Cell Carcinoma | 53 (87) | 2 (3) | 6 (10) |
Adenocarcinoma NOS | 1 (5) | 3 (16) | 15 (79) |
Adenoid Cystic Carcinoma | 6 (35) | 4 (24) | 7 (41) |
Basal Cell Adenocarcinoma | 4 (80) | 0 | 1 (20) |
Carcinoma-ex Pleomorphic Adenoma | 4 (22) | 1 (6) | 13 (72) |
Mucoepidermoid carcinoma | 26 (38) | 24 (35) | 18 (26) |
Salivary duct Carcinoma | 0 | 0 | 19 (100) |