Bronchogenic cysts occurs commonly in-: (A) Post mediastinum, (B) Sup.mediastinum, (C) Carina, (D) Periphery of lung
Answer is C. Ans. is 'c' i.e., Carina Bronchogenic cysts o Bronchogenic cyst is a congenital lung defect, which develops from abnormal lung budding of primitive foregut. o Most of the bronchogenic cyst arise in the mediastinum, where they are usually located in the mid mediastinum near carina. o About 15% of Bronchogenic cyst also occurs in pulmonary parenchyma. o When located in the lung they are more common in right lung and lower lobe. o They are lined by cuboidal or ciliated columnar epithelial cells and are usually filled with mucoid material.