THORACIC SECTION 7: Emphysema

Question 1

Most reliable indirect sign of Emphysema on CXR?

Answer 1

Flattening of the hemidiaphragms.

Question 2

“permanent enlargement of the airspaces distal to the terminal bronchioles accompanied by destruction of the alveolar wall without clear fibrosis.”

Answer 2

Emphysema

Question 3

Defined as the highest level of the dome less than 1.5 cm above a line drawn between the costophrenic and the Cardiophrenic Sulci

Answer 3

Classic “Flattening” of the Diaphragm

Question 4

Diffuse coronal narrowing of the trachea, sparing the extrathoracic portion. This is said to be pathognomonic for COPD.

Answer 4

Saber Sheath Trachea

Question 5

Diagnosis/Sign

Answer 5

Saber Sheath Trachea

Question 6

The most common type of Emphysema

Answer 6

Centrilobular

Question 7

Emphysema favoring the upper zones of each lobe

Answer 7

Centrilobular

Question 8

Type of emphysema dominant in smokers

Answer 8

Centilobular

Question 9

“the vessel within the secondary pulmonary lobule”

Answer 9

Central dot sign in Centrilobular emphysema

Question 10

Type of Emphyema

Answer 10

Panlobular

Question 11

Type of Emphysema

Answer 11

Panlobular

Question 12

Type Type of Emphysema

Answer 12

Paraseptal