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Symptoms and Signs – Differential Diagnosis of Primary Lung Neoplasm
• Benign lesions that simulate thoracic malignant disease
• Carcinoid tumor
• Granulomatous disease
• Lobar atelectasis: pneumonia, TB, chronic inflammatory disease, allergic bronchopulmonary aspergillosis
• Lung abscess
• Mediastinal adenopathy: sarcoidosis, lymphoma, primary TB, fungal disease, silicosis, pneumoconiosis, drug induced (e.g., phenytoin, trimethadione)
• Metastatic carcinoma to the lung
• Multiple pulmonary nodules: septic emboli, Wegener’s granulomatosis, sarcoidosis, rheumatoid nodules, fungal disease, multiple pulmonary atrioventricular fistulas
• Mycobacterial and fungal diseases
• Pleural effusion: congestive heart failure, pneumonia with parapneumonic effusion, TB, viral pneumonitis, ascites, pancreatitis, collagen-vascular disease
• Pneumonia
• Sarcoidosis
• Tuberculosis (TB)
• Viral pneumonitis
• Benign lesions that simulate thoracic malignant disease
• Carcinoid tumor
• Granulomatous disease
• Lobar atelectasis: pneumonia, TB, chronic inflammatory disease, allergic bronchopulmonary aspergillosis
• Lung abscess
• Mediastinal adenopathy: sarcoidosis, lymphoma, primary TB, fungal disease, silicosis, pneumoconiosis, drug induced (e.g., phenytoin, trimethadione)
• Metastatic carcinoma to the lung
• Multiple pulmonary nodules: septic emboli, Wegener’s granulomatosis, sarcoidosis, rheumatoid nodules, fungal disease, multiple pulmonary atrioventricular fistulas
• Mycobacterial and fungal diseases
• Pleural effusion: congestive heart failure, pneumonia with parapneumonic effusion, TB, viral pneumonitis, ascites, pancreatitis, collagen-vascular disease
• Pneumonia
• Sarcoidosis
• Tuberculosis (TB)
• Viral pneumonitis
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