XR Findings

Question 1

Black eyebrow sign

Answer 1

Air in superior aspect of orbit
From fracture through sinus
(Maxillary or ethmoidal)

Question 2

Teardrop sign

Answer 2

Facial XR
Muscle/fat herniating in to maxillary sinus
From blow out #

Question 3

Triquetrum fracture

Answer 3

Lateral wrist view

Dorsal fragment

Question 4

Terry Thomas sign

Answer 4

AP wrist

Scapho-lunate widening

Question 5

Lunate
Vs
Peri-lunate dislocation

Answer 5

Lateral wrist
Lunate - spilt cup
Vs
Peri-lunate - empty cup

Question 6

Bennett’s fracture

Answer 6

Fracture at base thumb MTC
Vs Rolando (comminuted)
Vs game keepers thumb (base proximal phalanx)

Question 7

Mallet finger

Answer 7

Hyper flexion of DIPJ
Dorsal avulsion
Mallet deformity

Question 8

Pooping duck sign

Answer 8

Triquetral avulsion fracture 
Dorsal wrist (lateral view)

Question 9

Atlanto - axial subluxation

Answer 9

> 3mm predentate space

Question 10

Deep sulcus sign

Answer 10

Seen on supine CXR films

Indicate PNX

Question 11

Bucket handle fracture

Answer 11

Metaphysical corner fracture
Under 2 year old
NAI

Question 12

Clay shovelers fracture

Answer 12

Avulsion spinous processes lower c spine
Flexion rotation injury

Question 13

Flexion tear drop fracture

Answer 13

Vertebral fracture - unstable

Question 14

EBV diagnosis

Answer 14

Under 12 or immunocomprimsed
- viral serology after 7 days, possible repeat test
Over 12
- fBC with differential white cell count and mono spot test after 2 weeks
- positive if over 20% atypical Lymphocyte or 10% atypical if lymphocyte over 50% of WCC

Check LFT