van·ish·ing lung syndrome (v n  -sh ng)n. A radiologic sign of progressive decrease of the radiologic density of the lung due to a variety of pathophysiologic conditions. |
vanishing lung syndrome
Giant bullous emphysema Pulmonology A disease affecting 1:1000 young usually ♂ subjects, characterized by multiple bullae of the apical portions of one or both lungs Clinical ↑ Resonance to percussion with
radiologic disappearance of lung markings, hence, the term 'vanishing'; in absence of concomitant emphysema, the vital capacity is relatively normal; with extensive lesions, severe impairment of pulmonary function may occur
Treatment Surgical excision of afunctional bullae results in expansion of normally functioning pulmonary tissue and clinical improvement
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