Compensatory emphysema (Q42993): Difference between revisions
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Enfisema compensatório é uma condição na qual uma parte do pulmão aumenta em tamanho e função, quando outra parte está destruída ou temporariamente inútil. Ocorre, por exemplo, em associação com pneumonias, derrames pleurais ou pneumotórax. Anatomicamente, observa-se aumento do pulmão normal; não há variações da estrutura normal; o pulmão não afetado, como resultado da distensão, tem capacidade vital aumentada e é capaz de realizar trabalho maior do que em sua condição usual. Os tecidos não mostram semelhança com aqueles verdadeiramente enfisematosos. Esta alteração não é de forma alguma relacionada ao verdadeiro enfisema e o termo não deve ser usado, uma vez que cria grande confusão na literatura. Seu uso é tão injustificado quanto o termo nefrite compensatória em relação ao aumento compensatório do rim quando o rim contralateral foi removido. O verdadeiro enfisema não pode nunca compensar um tecido pulmonar doente, uma vez que o pulmão enfisematoso é total ou quase totalmente sem função. | |||
| description / en | description / en | ||
Compensatory emphysema is a condition in which one portion of the lung increases in size and function, when another portion is destroyed or temporarily useless. It occurs, for instance, in association with pneumonias, pleural effusions and pneumothorax. Anatomically, there is found an enlargement of the normal lung; there are no variations from the normal structure; the unaffected lung, as a result of distention, has an increased vital capacity and is able to perform a greater amount of work than when in its usual condition. The tissues show no similarity to those truly emphysematous. This change is in no way related to true emphysema and the term should not be used, as it creates great confusion in the literature. Its use is no more justified than that of speaking of the compensatory enlargement of a kidney, when the opposite kidney has been removed, as of a compensatory nephritis. True emphysema can never compensate for diseased lung tissue, because the emphysematous lung is totally or almost totally functionless. | |||
Revision as of 09:46, 13 August 2026
Compensatory emphysema is a condition in which one portion of the lung increases in size and function, when another portion is destroyed or temporarily useless. It occurs, for instance, in association with pneumonias, pleural effusions and pneumothorax. Anatomically, there is found an enlargement of the normal lung; there are no variations from the normal structure; the unaffected lung, as a result of distention, has an increased vital capacity and is able to perform a greater amount of work than when in its usual condition. The tissues show no similarity to those truly emphysematous. This change is in no way related to true emphysema and the term should not be used, as it creates great confusion in the literature. Its use is no more justified than that of speaking of the compensatory enlargement of a kidney, when the opposite kidney has been removed, as of a compensatory nephritis. True emphysema can never compensate for diseased lung tissue, because the emphysematous lung is totally or almost totally functionless.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | CB40.4 |
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| English | Compensatory emphysema |
Compensatory emphysema is a condition in which one portion of the lung increases in size and function, when another portion is destroyed or temporarily useless. It occurs, for instance, in association with pneumonias, pleural effusions and pneumothorax. Anatomically, there is found an enlargement of the normal lung; there are no variations from the normal structure; the unaffected lung, as a result of distention, has an increased vital capacity and is able to perform a greater amount of work than when in its usual condition. The tissues show no similarity to those truly emphysematous. This change is in no way related to true emphysema and the term should not be used, as it creates great confusion in the literature. Its use is no more justified than that of speaking of the compensatory enlargement of a kidney, when the opposite kidney has been removed, as of a compensatory nephritis. True emphysema can never compensate for diseased lung tissue, because the emphysematous lung is totally or almost totally functionless. |
