Pulmonary tuberculosis in and lower lobe of the lung posterior tip of the back section, chest X-ray and chest CT showed pulmonary lesions with drainage bronchus sign, surrounded by satellite lesions, the part of the patient can be calcification, but the rare mediastinal lymph node enlargement. Laboratory examination ESR fast, positive tuberculin test, blood tumor marker examination negative. Commonly used anti TB drugs, it will get better effect.
Lung cancer is the elderly are more, in addition to the irritant dry cough, sputum with blood, no specific pulmonary tuberculosis are fatigue, night sweats and other symptoms. It is better made in the preceding paragraph on the lungs, chest CT showed lung lesions with burrs and leaves. In the late, then the manifestations of hilar and mediastinal lymph nodes. PET generally rely on PET, CT, blood tumor markers, we can help diagnose.
However, the clinical does have a special type of cancer and tuberculosis, it is often said that the "scar cancer", mostly for lung cancer. In fact, lung cancer in elderly patients with concomitant pulmonary tuberculosis are more prevalent in the diagnosis and treatment should be vigilant.
More it is worth mentioning is that some lung cancer complicated with tuberculosis patients is due before suffering from tuberculosis, particularly of lymphoid tuberculosis, calcification of lymph nodes to prevent lung cancer along the lymphatic metastasis, clinical treatment and prognosis of rather more satisfactory.