compensatory emphysema


Also found in: Medical.

compensatory emphysema

[kəm′pen·sə‚tȯr·ē ‚em·fə′sē·mə]
(medicine)
Simple, nonobstructive overdistension of lung segments or an entire lung in intrathoracic adaptation to collapse, destruction, or removal of portions of the lung or the opposite lung.
References in periodicals archive ?
The inclusion of "destruction" in the definition serves to differentiate emphysema from the simple airspace enlargements seen in aging, compensatory emphysema and congenital lobar hyperinflation.
There were areas of compensatory emphysema in the unaffected portion between masses and pleura.
The differential diagnosis on chest radiograph includes unilateral agenesis or extrinsic pulmonary artery occlusion from tumor, pulmonary embolism, bronchial obstruction (central or extrinsic) causing compensatory emphysema, bronchial atresia, pseudo hyperlucent lung in patients after mastectomy, absence or atrophy of pectoral muscles, and shoulder girdle.