Pneumothorax is not a usual occurance with which of the following conditions?
The most common of secondary spontaneous pneumothorax is chronic obstructive pulmonary disease, which accounts for approximately 70% of cases. Other causes include diseases of the airways (chronic obstructive pulmonary disease, acute severe asthma, cystic fibrosis), infections of the lung (Pneumocystis pneumonia (PCP), tuberculosis, necrotizing pneumonia), interstitial lung disease (Sarcoidosis, idiopathic pulmonary fibrosis, histiocytosis X), connective tissue diseases (Rheumatoid ahritis, ankylosing spondylitis, polymyositis and dermatomyositis, systemic sclerosis, Marfan's syndrome and Ehlers-Danlos syndrome) and Ca bronchus.
Asthma
Marfan's syndrome
Bronchopulmonary aspergillosis
Positive pressure ventilation