What lung diseases can be detected by chest fluoroscopy?

Generally, chest fluoroscopy can detect diseases such as pneumonia, pulmonary tuberculosis, lung cancer, pulmonary abscess, and pneumothorax. Detailed analysis is as follows:

1. Pneumonia

Chest fluoroscopy may reveal patchy or flaky hazy shadows in the lungs with uneven density. Depending on the pathogen and the extent of inflammation, the shadow morphology may vary. Lobar pneumonia typically presents as scattered patchy shadows along the bronchial distribution. Patients commonly experience symptoms such as fever, cough, sputum production, and, in severe cases, difficulty breathing.

2. Pulmonary Tuberculosis

Chest fluoroscopy can show various morphological changes. Proliferative lesions appear as nodular shadows with high density and relatively clear margins. Caseous necrosis often forms dense consolidation shadows, which may contain cavities with thick or thin walls. Common symptoms include cough, sputum production, hemoptysis, low-grade fever, night sweats, fatigue, and weight loss.

3. Lung Cancer

Chest fluoroscopy often reveals a mass shadow in the lung, with irregular margins that may appear lobulated or spiculated. Sometimes pleural retraction signs can be observed. Symptoms may include cough, hemoptysis, chest pain, and difficulty breathing, along with systemic symptoms such as weight loss and fatigue.

4. Pulmonary Abscess

In the early stages, chest fluoroscopy shows a large, dense, hazy inflammatory shadow with unclear margins. As the condition progresses and abscess formation occurs, a round lucid area and fluid levels may appear within the dense inflammatory shadow, surrounded by a thick inflammatory infiltration zone. The onset is acute, accompanied by high fever, cough, and expectoration of large amounts of foul-smelling pus.

5. Pneumothorax

Chest fluoroscopy reveals a lucid area without lung markings in the pleural cavity, with compressed lung tissue displaced toward the hilum. The edge of the compressed lung appears as a thin linear shadow. Symptoms include one-sided chest pain, characterized as needle-like or knife-like pain of short duration, followed by chest tightness and dyspnea.

Chest fluoroscopy is an effective screening method for lung diseases, but its results can be influenced by multiple factors, such as patient positioning, respiratory status, and equipment performance. Therefore, physicians may recommend more precise imaging examinations when necessary to confirm the diagnosis.