Table 1.
Summary of cytological samples used and method of T790M mutation testing overall
| No. (%) patients (N = 28) | ||
|---|---|---|
| Method of cytology | Bronchoalveolar lavage | 12 (42.9) |
| Thoracocentesis | 6 (21.4) | |
| Fine needle aspiration | 5 (17.9) | |
| Bronchial brushing | 2 (7.1) | |
| Other | 3 (10.7) | |
| Method of T790M testing | PNA‐LNA PCR clamp | 16 (57.1) |
| Scorpion‐ARMS | 7 (25.0) | |
| Cycleave | 5 (17.9) |
ARMS, Amplification Refractory Mutation System; PNA‐LNA, peptide nucleic acid‐locked nucleic acid.
Other includes trans‐bronchial lung biopsy (n = 1), washings of biopsy device (n = 1), lumbar puncture (n = 1).