SBAs for the 2A Unit 1

Question 1

Loss of upper left heart border, preserved descending aorta outline

Answer 1

Lingula lesion

Question 2

Uncomplicated sequestration on PET

Answer 2

cold

Question 3

Scarring (lung) on PET

Answer 3

hot

Question 4

Ground glass and reticular change post lung transplant

Answer 4

Drug toxicity

Question 5

Aortic coarctation rib norching

Answer 5

3-9th ribs, affects sides with coarcted supply

Question 6

Commonest location for atrial myxoma

Answer 6

Left atrium

Question 7

Commonest thoracic manifestation of RA

Answer 7

Pleural effusion

Question 8

Mediastinal enlargement in TB

Answer 8

Suggests primary TB

Question 9

Septal thickening in TB

Answer 9

Suggests reactivation TB

Question 10

Contrast injection site prior to IVC filter placement

Answer 10

Left common iliac vein, to assess for persistent left SVC

Question 11

Acute extrinsic allergic alveolitis likeliest appearance

Answer 11

Diffuse airspace shadowing

Question 12

Primaries causing cavitatory lung mets

Answer 12

SCC
Malignant melanoma,
Sarcoma,
Colonic carcinoma

Question 13

Commonest radiographic abnormality on CXR in SLE

Answer 13

Pleural effusion

Question 14

Prognostic indicator in CTPA

Answer 14

RV/LV diameter ratio

Question 15

BAC usual location

Answer 15

Peripheral, usually subpleural

Question 16

Pancoast tumour histological type

Answer 16

SCC (likeliest)

Question 17

Oesophageal vs bronchogenic cyst

Answer 17

Oesophageal have thicker wall

Question 18

Loss of right heart border

Answer 18

Right middle lobe collapse

Question 19

Atrial myxoma on MRI

Answer 19

Hypointense to myocardium on T1, variable T2 and enhancement

Question 20

Commonest CT feature of mycotic aneurysms

Answer 20

Perianeurysmal soft tissue mass

Question 21

Contralateral shift of trachea post pneumonectomy

Answer 21

Suggests bronchupleural fistula

Question 22

Coughing up grape-skin like material

Answer 22

Hydatid lung disease, calcification is rare

Question 23

Myocarditis MRI findings

Answer 23

Epicardial patchy enhancement

Question 24

Lesion obscuring the descending aorta on CXR - location

Answer 24

Posterior mediastinum

Question 25

Progressive massive fibrosis on PET

Answer 25

Hot

Question 26

Sarcoid lymphadenopathy

Answer 26

Usually spares posterior mediastinum, unlike NHL

Question 27

LAM

Answer 27

Thin walled air containing cysts. Not cavitating

Question 28

Post lung transplant acute changes, timeline

Answer 28

Within 1 day: hyperacute rejection
1-4 days: reperfusion oedema
1-2 weeks: acute rejection

Question 29

Left atrial enlargement features

Answer 29

Straightening of left heart border.
Double atrial shadow on right.
Elevation of left main bronchus.
Splaying of the Carina.
Displacement of descending aorta to left.

Question 30

Pulmonary fibrosis and lower lobe bronchiectasis

Answer 30

Sjogren syndrome

Question 31

Flow of contrast towards porta hepatis during TIPSS

Answer 31

Suggests puncture of biliary tree

Question 32

TIPSS normal shunt gradient

Answer 32

<12mmHg

Question 33

Eisenmenger syndrome CXR features

Answer 33

Paucity of pulmonary vasculature,
Enlarged central pulmonary artery
RV hypertrophy.
Linear calcification of main pulmonary arteries