[Hyperlucent lung syndrom caused by pulmonary artery hypoplasia in patient with diagnosed asthma--case report].

We present case of 67-years-old, non-smoking woman with unilateral hyperlucent lung syndrome. She has diagnosed asthma and since 1997 she has been treated with inhaled corticosteroids and long-acting beta-agonists without improvement. She complained of a cough, shortness of breath, pulmonary function test reveal irrvesibility airflow obstruction. The routine X-ray chest showed unilateral hyperlucent left lung. Ct-angiography has shown unilateral hypoplasia of pulmonary artery. It indicates that in all cases of uncontrolled asthma should be considered another or coexisting diagnosis.