Which of the following is a cause of unilateral hyperluscent lung on chest radiography?: (A) Poland Syndrome, (B) Asthma, (C) Acute Bronchiolitis, (D) Pleural effusion
Answer is A. Hyperluscent Lung Unilateral Bilateral Chest Wall defects Mastectomy Poland syndrome(absent pectoralis muscle) Endobronchial obstruction Pulmonary Vascular causes: Pulmonary aerial hyperplasia Pulmonary embolism Congenital lobar emphysema Decreased soft Tissue Thin body habitus Bilateral mastectomy Cardiac causes of decreased pulmonary blood flow: Right to left shunt Eisenmenger&;s syndrome Pulmonary causes of decreased pulmonary blood flow: Pulmonary embolism Emphysema Bulla or bleb Interstitial emphysema Ref: Wolfgang Radiology Pgno: 271