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The characteristics of three types of pulmonary vesicles

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Pulmonary vesicles can be divided into three types, although their sources may be different, but the disease degree of type II is deeper than that of type I, and type III is deeper than type II. Therefore, from the clinical manifestations, the more serious the symptoms, the larger the type of disease, some pulmonary vesicles can also be.

Pulmonary vesicles can be divided into three types, although their sources may be different, but the disease degree of type II is deeper than that of type I, and type III is deeper than type II. Therefore, from the clinical manifestations, the more serious the symptoms, the larger the type of disease, and some pulmonary vesicles can also be called stage III. And the disease is like the embankment section of the river washed away by the river, once it is invaded by external evil again, it is very easy to form pathology and expand on the old road.

Pulmonary vesicle

Type I pulmonary vesicles are generally accompanied by normal pulmonary parenchyma, that is, most of the pulmonary vesicles are born in the apical pulmonary parenchyma. Just like benign tumors, type I pulmonary vesicles have distinct cavities and boundaries. When it is larger, it is easy to oppress the surrounding lung tissue, but the lung parenchyma is not affected. Smaller and fewer pulmonary vesicles, the lung function is basically normal, generally will not have obvious symptoms. If the pulmonary vesicle develops greatly, it may fill one side of the chest cavity and compress the nerve and have chest pain and so on. It can be found in chest X-ray or CT.

Type II pulmonary vesicles have appeared extensive pulmonary parenchymal emphysema. In fact, most type II pulmonary vesicles originate from emphysema, which can also be said to be the local continuous development of emphysema. The number of pulmonary vesicles will also be more, and may be on both sides. Moreover, type II pulmonary vesicles have implantable characteristics and are born at a broad base in the lungs. The development of pulmonary vesicles varies in size and invasiveness, which mainly depends on the severity of emphysema. There will be chest tightness, shortness of breath and other symptoms.

Pulmonary bullae compression

Type III bullae is actually diffuse vesicular emphysema. The pulmonary parenchyma is completely lost in this type or this stage of the lesion, which may be located at the end of the lung or one side of the whole lung. May be associated with obstructive pulmonary disease, so not only chest tightness, shortness of breath, but also may have hemoptysis, chest pain and other symptoms.

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