Quick fire Flashcards

1
Q

Askin tumour

A

Ewing sarcoma of the chest wall - rib destruction!

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2
Q

Dashboard injury

A

High STIR/bone oedema in anterior tibia and PCL injury

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3
Q

What is not an aetiology for granulomatous prostatitis?

A

BPH

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4
Q

Lewy body dementia on brain imaging?

A

Involvement of occipital cortex (unlike AD) and cingulate island sign

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5
Q

Early opacification of draining vein?

A

Angiodysplasia or a AVM

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6
Q

Absolute CI to thrombolysis

A

INR 1.6
Plt <100
Brain tumour
Stroke 8 weeks
Surgery 2 weeks
UGI bleed 3 weeks
LP 1 week

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7
Q

Most common craniosynostosis?

A

Scaphocephaly

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8
Q

Most common malignancy of the urethra?

A

SCC

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9
Q

Acute ARDS findings?

A

GGO/air space opacities and dense posterior consolidation

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10
Q

Renal arterial supply?

A

Segmental - interlobar - arcuate - interlobular - vasa recta/peritubular network

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11
Q

Features that suggest osteomyelitis over Charcot?
Features that suggest Charcot?

A

Frank fluid collection (not effusion!), ulcer with adjacent inflammation
Multiple joint involvement, especially midfoot, prominent effusions

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12
Q

Acute blood on MR

A

1-2 days
Iso to dark T1, dark T2

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13
Q

Least common site of adenocarcinoma of the bladder?

A

Ureteric orifice

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14
Q

3rd nerve palsy

A

Ipsilateral PCOM aneurysm

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15
Q

Creutzfeldt-Jakob disease

A

High DWI/T2/FLAIR in cerebral cortex, caudate, putamen
- pulvinar hockey stick sign
No enhancement
No white matter involvement

“gyriform restricted diffusion”

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16
Q

Huntingtons

A

Atrophy of caudate head with enlargement of adjacent lateral ventricle

17
Q

Brown Sequard causes

A

Hemicord syndrome
- trauma
- tumour
- disc
- infarct
- demyelination

18
Q

criteria for endovascular repair of AAA

  • angle of common iliac
A

<90 degree

19
Q

criteria for endovascular repair of AAA

-length of CIA

20
Q

criteria for endovascular repair of AAA

  • diameter of CIA
21
Q

criteria for endovascular repair of AAA

  • distance to renal arteries
22
Q

criteria for endovascular repair of AAA

  • aortic neck angle
A

< 60 degrees

23
Q

Complication 1-4 days post lung transplant?

A

Reperfusion/implantation injury –> perihilar shadowing and effusions

24
Q

Tarlov cyst?

A

Dilatation of posterior nerve root sheath

25
FDG PET scan - last insulin?
4 hrs before
26
FDG PET scan - fasting?
6 hrs before
27
FDG PET scan - caffeine, alcohol, nicotine
12 hrs
28
FDG PET scan - exercise
24 hrs
29
Which heterotaxy syndrome has PAPVR?
Polysplenia Also - pancreas truncation
30
When to follow up a pineal cyst?
>10mm
31
3 characteristics features of cholangiocarcinoma?
Infiltrative mass, capsular retraction, delayed enhancement
32
Scleroderma on small bowel follow through?
Dilated bowel, prolonged transit time, no thickening, increase in number of folds "hidebound" SACCULATIONS - on mesenteric border
33
Reduced metabolism where would suggest AD rather than Pick's?
Parietal lobe - because Pick's is frontotemporal, so the temporal is reduced in both
34
Avulsion fracture of lesser tuberosity?
Posterior dislocation shoulder
35
Morton's
3rd and 4th space do enhance
36
Risk of perforation with fluoroscopic-guided air enema for intussusception?
0.5%
37
Best sequence for anal fistula?
T1 post contrast
38
Inguinal region for testicular tumours?
Not regional unless previous surgery!
39
Gynaecomastia?
Leydig cell (most closely) GCT seminoma (most common)