[Unilateral hyperlucent lung syndrome--differentiation from lung vasculature pathology].

A cases of unilateral hyperlucent lung syndrome (Swyer-James', MacLeod's syndrome) in a 45-years old male patients is presented. The patient was being treated since 1982 because of recurrent upper and lower respiratory tract's infections. An increasing dyspnea was the main patient's manifestation. In 1997 the patient was admitted to the Department of Phthisiopneumonology Silesian Medical University when diagnosis of unilateral lucent lung syndrome was established. The value of conventional radiological examination of the chest in diagnosis of this syndrome and the meaning of perfusion and ventilatory lung scintigraphy in its differentiation are emphasised.