Table 2.
Relationships between cell type and WHO classification or bronchioloalveolar spread of lung adenocarcinomas
| No. of cases (%) | ||||||
|---|---|---|---|---|---|---|
| Cell type classification | ||||||
| Hobnail | Mixed | Col/cub | Po/ov | Goblet | Unclassified | |
| WHO classification | ||||||
| Acinar | 0 | 2 (6) | 26 (79) | 5 (15) | 0 | 0 |
| Papillary | 22 (81) | 3 (11) | 0 | 1 (4) | 0 | 1 |
| Bronchioloalveolar carcinoma | 1 (50) | 0 | 0 | 0 | 1 (50) | 0 |
| Solid adenocarcinoma with mucin | 0 | 0 | 0 | 10 (100) | 0 | 0 |
| Adenocarcinoma with mixed subtypes | 78 (52) | 44 (30) | 18 (12) | 3 (2) | 6 (4) | 0 |
| Unclassified | 1 | 0 | 0 | 0 | 0 | 1 |
| Bronchioloalveolar spread | ||||||
| + | 68 (79) | 15 (17) | 0 | 0 | 3 (4) | 0 |
| − | 34 (25) | 34 (25) | 44 (32) | 19 (14) | 4 (3) | 2 |
+, with bronchioloalveolar spread; −, without bronchioloalveolar spread; Col/cub, columnar/cuboidal; Po/ov, polygonal/oval; WHO, World Health Organization.