Radiology

Question 1

Black Eyebrow sign

Answer 1

Lucent area projected over the superior right orbit.
Represents orbital emphysema which is a
sign of an orbital blow- out fracture.

Question 2

NG Tube x-ray review

Answer 2

Descend midline
Bisect Carina
Cross diaphragmin midline
Tip visible below diaphragm (10cm fro GOJ)

Question 3

Air fluid level in maxillary sinus

Answer 3

In trauma suggests damage to the medial wall or orbital floor

Question 4

Meningiomas

Answer 4

Parafalcine (arising from meniges) contrasting enhancing mass with mass effect

Question 5

Acute on chronic subdural bleed

Answer 5

low-density (chronic) blood =dark
 high denisty (acute) blood = white

Question 6

Cerebral odema

Answer 6

There is loss of the normal sulcal pattern over both cerebral hemispheres, and global loss of grey-white differentiation

Question 7

T2 imaging

Answer 7

Water and pus is white

Question 8

RA changes x ray

Answer 8

JESS
Joint space loss (symmetrical)
Erosion of bone
Synovial thickening
Subluxation and joint deformities

Question 9

Cotton wool calcification on XR

Answer 9

Chondrosarcoma

Question 10

Bamboo spine

Answer 10

Ankylosing spondylitis
single central radiodense line related to ossification of supraspinous ligament

interspinous ligaments (dagger sign)

Question 11

X-ray changes of osteoarthritis

Answer 11

• decrease of joint space
• subchondral sclerosis
• subchondral cysts
• osteophytes forming at joint margins

Question 12

Transient Fibroplasty ‘Fibroscan’

Answer 12

US for liver cirrhosis - measures stiffness of liver

Question 13

Pericardial calcification on CXR

Answer 13

Constrictive pericarditis

TB or other causes pericarditis

Question 14

Calcified Ghon on CXR

Answer 14

nodule which suggests latent TB in someone with risk factors

Question 15

Pencil in a cup appearence interphalangeal joints

Answer 15

Psoriatic arthritis