1.9 Pulmonary Imaging 2

Question 1

What are the lines and what conditions do these usually indicate?

Answer 1

Lines are called Kerley B lines and are indicative of Interstitial Disease

Question 2

What is the difference between the common underlying causes for Alveolar disease and Interstitial disease?

Answer 2

• Interstital has an underlying viral cause
• Alveolar has an underlying bacterial cause

Question 3

What do you call the sign and what is it indicative of?

Answer 3

Air bronchogram sign. Indicative of an alveolar disease.

Question 4

What does MDPLOTS stand for?

Answer 4

Mediastinum

Diaphragm

Pleura

Lungs

Osseus Structures

Trachea

Soft Tissue

Question 5

Name the anatomic silhouettes that correspond to the lingula and right lung?

Answer 5

Left heart border - Lingula

Right heart border - Right Middle Lobe

Ascending aorta - Right upper Lobe

Right hemidiaphragm - Right lower lobe

Question 6

Name the anatomic silhouettes that correspond to the left lung?

Answer 6

Descending aorta - Left Lower Lobe

Left Hemidiaphragm - Left Lower Lobe

Aortic Arch - Left Upper Lobe

Question 7

What are some of the causes that can lead to the lung showing as white on xray?

Answer 7

Water (pulmonary edema), blood, pus (pneumonia), cells, absence of air (atelectasis, lobar collapse), proteins (secretions, mucous plugging)