Question

which of the following is the most common radiographic finding of mediastinal lymphadenopathy on chest x - ray? please select your answer. a bilateral hilar enlargement with smooth, lobulated borders b blunting of the costophrenic angle c linear atelectasis in the lower lobes d flattening of the diaphragm and hyperinflation

Explanation:

Mediastinal lymphadenopathy often presents as bilateral hilar enlargement with smooth, lobulated borders on chest X - ray. Blunting of the costophrenic angle is more related to pleural effusion. Linear atelectasis in the lower lobes has other etiologies like mucus plugging. Flattening of the diaphragm and hyperinflation is seen in conditions like emphysema.

Answer:

A. Bilateral hilar enlargement with smooth, lobulated borders