Pulm

Question 1

MC anterior mediastinum masses?

Answer 1

thyroid
teratogenic tumors
thymoma
lymphoma

Question 2

MC middle mediastinal masses?

Answer 2

lung ca
lymphoma
aneurysms
cysts
Morgagni hernia

Question 3

MC posterior mediastinal masses?

Answer 3

neurogenic tumors 
esophageal masses
enteric cysts
aneurysms
Bochdalek's hernia

Question 4

Malignancies causing pleural effusion?

Answer 4

lung, breast, lymphoma

Question 5

Bloody pleural effusion =

Lymphocytic exudative effusions =

Pleural effusions w/ pH <7.2 =

Pleural fluid with incr amylase =

Answer 5

Bloody pleural effusion = malig

Lymphocytic exudative effusions = TB

Pleural effusions w/ pH <7.2 = parapneumonic effusion or empyema

Pleural fluid with incr amylase = esophageal rupture, pancreatitis, malig