Table 1 Primary lung neoplasms and specimen types used in this study
No. of cases | Whole-tissue sections of resected tumor (%) | Small biopsies (%) | Tissue microarray (%) | |
|---|---|---|---|---|
Small cell lung carcinoma | 64 | 32 (50) | 32 (50) | 0 (0) |
Large cell neuroendocrine carcinoma | 24 | 24 (100) | 0 (0) | 0 (0) |
Typical carcinoid tumor | 48 | 42 (88) | 4 (8) | 2 (4) |
Atypical carcinoid tumor | 16 | 16 (100) | 0 (0) | 0 (0) |
Neuroendocrine | 152 | 114 (75) | 36 (24) | 2 (1) |
Adenocarcinoma | 130 | 123 (95) | 0 (0) | 7 (5) |
Squamous cell carcinoma | 33 | 27 (82) | 0 (0) | 6 (18) |
Large cell carcinoma | 4 | 4 (100) | 0 (0) | 0 (0) |
Sarcomatoid carcinoma | 8 | 8 (100) | 0 (0) | 0 (0) |
Adenosquamous carcinoma | 3 | 3 (100) | 0 (0) | 0 (0) |
Adenoid cystic carcinoma | 7 | 7 (100) | 0 (0) | 0 (0) |
Mucoepidermoid carcinoma | 5 | 5 (100) | 0 (0) | 0 (0) |
Epithelial-myoepithelial carcinoma | 1 | 0 (0) | 1 (100) | 0 (0) |
Sclerosing pneumocytoma | 1 | 0 (0) | 1 (100) | 0 (0) |
Hamartoma | 1 | 1 (100) | 0 (0) | 0 (0) |
Non-neuroendocrine | 193 | 178 (92) | 2 (1) | 13 (7) |
Total | 345 | 292 (85) | 38 (11) | 15 (4) |