Table 2 Pathological types after CT guided lung puncture (343 cases)
Diagnostic characteristics | N (%) |
|---|---|
Malignant | 248 (72.3%) |
Adenocarcinoma | 191 (55.7%) |
Squamous cell carcinoma | 34 (9.9%) |
Small cell carcinoma | 6 (1.7%) |
Metastasis from other tumor sites | 6 (1.7%) |
Neuroendocrine tumor | 4 (1.2%) |
Malignant pleural mesothelioma | 3 (0.9%) |
Undifferentiated carcinoma | 2 (0.6%) |
Adenosquamous carcinoma | 1 (0.3%) |
Lymphoepithelioid carcinoma | 1 (0.3%) |
Benign | 80 (23.3%) |
Chronic pneumonia | 71 (20.7%) |
Alveolitis | 2 (0.6%) |
Pulmonary hamartoma | 2 (0.6%) |
Tuberculosis | 2 (0.6%) |
Sclerosing pneumocytoma | 2 (0.6%) |
Neurilemmoma | 1 (0.3%) |
Borderline | 2 (0.6%) |
Solitary fibrous tumor | 1 (0.3%) |
Inflammatory myofibroblastic tumor | 1 (0.3%) |
Non-diagnostic/inadequate | 13 (3.8%) |