Table 1. Common causes of solitary pulmonary nodules.
| Diseases | Benign/malignant | Pathological classification |
|---|---|---|
| Tumors | Malignant | Primary bronchopulmonary cancer |
| Pulmonary lymphoma | ||
| Carcinoid | ||
| Metastases | ||
| Pulmonary blastoma | ||
| Chondrosarcoma | ||
| Benign | Hamartoma | |
| Teratoma | ||
| Lipoma | ||
| Hemangioma | ||
| Chondroma | ||
| Neurofibromatosis | ||
| Endometriosis | ||
| Leiomyoma | ||
| Infections | Granuloma | |
| Spherical pneumonia | ||
| Lung abscess | ||
| Parasite disease | ||
| Inflammation | Inflammatory pseudotumor | |
| Wegener’s granulomatosis | ||
| Sarcoidosis | ||
| Rheumatoid arthritis | ||
| Pulmonary lymph nodes | ||
| Vascular diseases | Arteriovenous malformations | |
| Pulmonary embolism | ||
| Congenital lesions | Pulmonary sequestration | |
| Bronchial cysts |