The microscopic examination of sputum is to observe the white blood cells, red blood cells, epithelial cells and dust cells in the sputum, as well as the fiber, crystal, fat, and parasitic bottom layer, which helps to diagnose the diagnosis of certain characteristic diseases of the respiratory system. A sputum microscopy helps to diagnose the diagnosis of certain characteristic diseases of the respiratory system.

Basic Information

Specialist classification: Respiratory examination classification: sputum examination

Applicable gender: whether men and women apply fasting: fasting

Tips: When spitting, you need to use your strength to cough up from the depths of your lungs. Please avoid mixing a large amount of saliva with normal values

Normally, a small amount of neutrophils, epithelial cells and dust cells.

Clinical significance

A sputum microscopy helps to diagnose the diagnosis of certain characteristic diseases of the respiratory system.

1, red blood cells can appear in large numbers in blood diseases.

2. Neutrophil enlargement is seen in bacterial infections.

3. Eosinophilia is found in bronchial asthma, allergic bronchitis, paragonimiasis, and tropical eosinophilia.

4. Epithelial cells are mostly mixed in saliva and have no clinical significance.

5. Dust cells are formed by macrophages in the lungs that devour dust, smoke or other foreign matter. Its appearance indicates that the patient's septic fluid specimen meets the inspection requirements.

6, hemosiderin cells are formed by macrophages in the lungs phagocytic red blood cells, also known as heart failure cells, found in pulmonary congestion. Pulmonary infarction and pulmonary hemorrhage.

7, elastic fibers found in lung abscess, lung cancer and so on.

Positive results may be diseases: aspiration pneumonia, bronchial asthma, lung cough, pediatric pulmonary hemorrhage - nephritis syndrome, pneumonia pseudotumor, bronchial adenoma, lung abscess, lung cancer, bacterial infections

1. Please rinse the mouth with water first, then spit it directly into the container dispensed by the laboratory; it is more meaningful to take the first time in the morning.

2. When spitting, you need to use force to cough up from the deep part of your lungs. Please avoid mixing a lot of saliva.

Inspection process

After collecting the sputum specimen, place it under a microscope and observe it.

Not suitable for the crowd

Inappropriate people: Generally there are no people who are not suitable.

Adverse reactions and risks

No adverse reactions.