All regarding bronchial cyst are true Except
High-Yield Explanation
Bronchigenic cyst Bronchogenic cysts originate as sequestrations from the ventral foregut, the antecedent of the tracheobronchial tree Cyst wall is composed pathognomic inner layer of ciliated respiratory epithelium MC location : Middle mediastinum (65-90%) Bronchogenic cyst Mediastinal - Sub-carinal, right paratracheal and hilar locations are most common. Does not communicate with the tracheobronchial tree Parenchymal(intrapulmonary) - Typically perihilar with predilection for lower loves. Communicate with the tracheobronchial tree Clinical features Two - thirds are asymptomatic May produce symptoms that depend on their anatomic location Paratracheal region : Airway compression and respiratory distress Lung parenchyma : Become infected, present with fever and cough Ref: Bailey and love 27th edition Pgno :938