Radiology Correlation

Question 1

What does a normal CXR have that a CT scan does not?

Answer 1

Overlying bone structures and soft tissue

Question 2

What is the pattern of Bronchopneumonia?

Answer 2

“tree in bud”

– Looks like a tree with budding leaves!

Question 3

Tree in bud appearance

Answer 3

Bronchopneumonia

Question 4

What is the appearance of Lobar Pneumonia?

Answer 4

Consolidation – white lobe

Question 5

Consolidation appearance of Lobar Pneumonia is associated with what?

Answer 5

Alveolar fluid/exudate

Question 6

Once Lobar Pneumonia has consolidation present, what can it progress to?

Answer 6

Bulging fissure

– larger bulging lobe

Question 7

Once Lobar Pneumonia has a bulging fissure present, what can it progress to?

Answer 7

Abscess formation

Question 8

With Lobar Pneumonia, what does an Abscess formation look like?

Answer 8

Air fluid level in cystic space

Question 9

With Bronchiectasis, what will be seen?

Answer 9

Widening of airways with extension into PERIPHERAL lung fields

Question 10

Widening of airways with extension out into the peripheral lung fields is suggestive of?

Answer 10

Bronchiectasis

Question 11

In lung radiographs, where should airway markings be?

Answer 11

Central

Question 12

BATWING appearance is what color?

Answer 12

WHITE batwings

Question 13

Reverse BATWING appearance is what color?

Answer 13

Black batwings

Question 14

What causes BATWING infiltrates?

Answer 14

Anything that favors PROXIMAL vascular/airway involvement!

Question 15

What are 3 things that can cause BATWING infiltrates?

Answer 15

1. Pulmonary edema
2. Inhalation injury
3. Hypersensitivity pneumonitis
   = Proximal involvement

Question 16

What causes Reverse BATWING infiltrates?

Answer 16

Anything that favors PERIPHERAL involvement

Question 17

What are 3 conditions that cause Reverse BATWING infiltrates?

Answer 17

Fibrosis
Idiopathic Pulmonary Fibrosis
Sarcoidosis

Question 18

BATWING appearance is because the conditions follow ____

Answer 18

Airways

Question 19

Reverse BATWING appearance is because the conditions follow ____

Answer 19

Lymphatics

Question 20

What are some conditions that can cause a complete white out?

Answer 20

ARDS

- Severe conditions, hemorrhage, malignancy

Question 21

What makes pulmonary nodules white?

Answer 21

Calcifications

Question 22

What does a Hamartoma pulmonary nodule look like?

Answer 22

Popcorn calcification

Question 23

What does a Granuloma pulmonary nodule look like?

Answer 23

Laminated, diffuse calcifications

Question 24

What are 4 tumor characteristics that are more likely present with a malignancy?

Answer 24

1. Larger size with faster growth rate
2. More solid in nature
3. Irregular borders
4. LESS calcifications

Question 25

What are 4 tumor characteristics that are more likely present with a malignancy?

Answer 25

1. Larger size with faster growth rate 2. More solid in nature 3. Irregular borders 4. LESS calcifications

Question 26

If a tumor has malignancy characteristics you should get a?

Answer 26

Biopsy

Question 27

What guidelines help guid clinical diagnosis and management and which tumors should get biopsied?

Answer 27

Fleischner guidelines

Question 28

What are 2 exceptions of a malignant tumors that do not look malignant on CXR?

Answer 28

Mucinous Adenocarcinoma Adenocarcinoma in Situ -- look like pneumonia and can be bilateral

Question 29

What is occurring with a Ground Glass Opacity?

Answer 29

Alveolar processes not entirely filling the alveolar sac | - part fluid and part air

Question 30

What does a Ground Glass Opacity look like?

Answer 30

Grey hazy

Question 31

What are bubble lucenies?

Answer 31

Airways that dilated

Question 32

Bubble lucencies are concerning for?

Answer 32

Invasive tumors

Question 33

What Carcinoma can cause Cavitation to occur?

Answer 33

Squamous Carcinoma

Question 34

What does Resorptive Atelectasis look like?

Answer 34

Wedge shaped

Question 35

Why are Resorptive Atelectases wedge shaped?

Answer 35

Due to obstruction in the airway

Question 36

With a tension pneumothorax, the CXR should be taken when the patient is?

Answer 36

Exhaling

Question 37

Why should a CXR be taken with exhalation with a tension pneumothorax?

Answer 37

Volume of air is fixed!

Question 38

Mediastinal shift on a CXR suggests?

Answer 38

Tension Pneumothorax

Question 39

What usually causes a Reverse BATWING appearance?

Answer 39

FIBROSIS