XR Findings Flashcards

1
Q

Black eyebrow sign

A

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

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2
Q

Teardrop sign

A

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

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3
Q

Triquetrum fracture

A

Lateral wrist view

Dorsal fragment

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4
Q

Terry Thomas sign

A

AP wrist

Scapho-lunate widening

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5
Q

Lunate
Vs
Peri-lunate dislocation

A

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

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6
Q

Bennett’s fracture

A

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

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7
Q

Mallet finger

A

Hyper flexion of DIPJ
Dorsal avulsion
Mallet deformity

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8
Q

Pooping duck sign

A
Triquetral avulsion fracture 
Dorsal wrist (lateral view)
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9
Q

Atlanto - axial subluxation

A

> 3mm predentate space

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10
Q

Deep sulcus sign

A

Seen on supine CXR films

Indicate PNX

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11
Q

Bucket handle fracture

A

Metaphysical corner fracture
Under 2 year old
NAI

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12
Q

Clay shovelers fracture

A

Avulsion spinous processes lower c spine
Flexion rotation injury

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13
Q

Flexion tear drop fracture

A

Vertebral fracture - unstable

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14
Q

EBV diagnosis

A

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

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