Which of the statements is not true regarding Macleod's Syndrome ?
It is not a true emphysema
Occurs before 8 years of age
It is unilateral emphysema
The pulmonary aery on the affected side is hyperplastic
Ans. is 'c' i.e., The pulmonary aery on the affected side is hyperplastic Macleod syndrome o It is also known as Swyer - Janes syndrome o It is a cause of unilateral hyperlucent lung. o It may present as acute pneumonia, but most patients are discovered when a chest X-ray is obtained for an unrelated reason. o This not a true emphysema. o On examination there is hyperresonance and a small lung with mediastinum shifted towards the more abnormal lune. There is no vascular abnormality. o No specific treatment is required, it may become less symptomatic with time.