FRCR Self Assessment Mock 3

Question 1

Tear of the triangular fibrocartilage associated with

Answer 1

Ulnar impaction syndrome

Question 2

Causes of widening of presacral space

Answer 2

Previous surgery/radiotherapy,
Pelvis lipomatosis/fibrosis,
Dermoid/epidermoid/duplication cysts
Chordoma,
teratoma
Meningocele,
Neurofibroma,
Osteomyelitis

Question 3

Intramedullar and extramedullary lesion with cystic and solid components and flow voids

Answer 3

Haemangioblastoma

Question 4

Commonest cause of bone mets

Answer 4

Bronchial cancer

Question 5

Immunocompromised, commonest infectious cause of oesophagitis (and findings)

Answer 5

Candida, long/linear oesophageal filling defects

Question 6

Central anterior beaking of vertebral bodies

Answer 6

Morquio syndrome

Question 7

Commonest locations of vertebral artery dissection post trauma

Answer 7

C6 and C1

Question 8

Asymptomatic, incidental fibromuscular dysplasia, Rx

Answer 8

Continued follow up

Question 9

Commonest malignant bone lesion in pagets

Answer 9

Osteosarcoma

Question 10

Toxoplasmosis vs Lymphoma

Answer 10

Haemorrhage is seen in Toxoplasmosis.
Thallium shows increased uptake in lymphoma, decreased in toxoplasmosis

Question 11

Hypoxic injury on US in first 2 days of life

Answer 11

Usually normal

Question 12

Torus vs Greenstick fracture

Answer 12

Torus is buckle fracture.
Greenstick involves a break on one side of the cortex

Question 13

Haemochromatosis on MRI

Answer 13

Decreased signal in liver, pancreas and heart

Question 14

Thick walled ovarian cyst with peripheral strong doppler signal

Answer 14

Corpus luteum cyst, no further management needed

Question 15

Rib notching in coarctation

Answer 15

Only affects the subclavian artery (and rib side) proximal to the coarctation

Question 16

Commonest site of monoarticular juvenile idiopathic arthritis

Answer 16

Knee

Question 17

Blood results of juvenile idiopathic arthritis

Answer 17

Most are seronegative.
ESR may be raised.

Question 18

Commonest causative organisms for mycotic aneurysm

Answer 18

Staph aureus,
Salmonella

Question 19

Osteochondritis dissecans on MRI

Answer 19

T1 defect in the cartilage, with high T2 signal in the defect

Question 20

Balthazar score for pancreatic necrosis

Answer 20

Score 0-4 points for pancreatic appearance:
0) normal
1) focal/diffuse enlargement
2) peripancreatic inflammation
3) single peripancreatic fluid collection
4) >2 collections +/- retroperitoneal gas
Additional points awarded for necrosis (2 for <30%, 4 for 30-50%, 6 for >50%)
Score of >7 associated with 20% mortality

Question 21

Staging imaging for oesophageal cancer

Answer 21

Endoscopic US and 18F-FDG PET/CT

Question 22

Multiple foci of FLAIR intensity in cortical and subcortical regions, TS

Answer 22

Cortical tubers

Question 23

Heterogenous, well defined mass at mesenteric root with surrounding fat halo, envelops vessels

Answer 23

Mesenteric panniculitis

Question 24

Imaging to monitor/exclude toxic megacolon in UC

Answer 24

AXR

Question 25

Contrast from bladder into retropubic space vs perineum

Answer 25

Above urogenital diaphragm vs below

Question 26

?PE, CTPA shows poor contrast opacification

Answer 26

VQ scan

Question 27

Neonate, Cystic area in frontoparietal region, communicating with ventricles, lined by white matter, lacking septations

Answer 27

Porencephaly

Question 28

Closed lip vs open lip schizencephaly

Answer 28

Open lip has CSF in the cleft

Question 29

Bronchial wall thickening with mosaic attenuation

Answer 29

Obliterative bronchiolitis

Question 30

Normal position of DJ flexure

Answer 30

Left of the midline, at or above the duodenal bulm

Question 31

Common late complication of hepatic transplant

Answer 31

Biliary strictures

Question 32

Thyroid cancer with microcalcifications

Answer 32

Medullary thyroid

Question 33

Kyphosis angle for Sheuermann’s disease

Answer 33

Must be >35

Question 34

MR Spect features of radiation necrosis

Answer 34

Enhancement, low Choline and low Cerebral blood flow

Question 35

Endobronchial lesion containing calcification

Answer 35

Carcinoid

Question 36

Staging Ix for carcinoid

Answer 36

Gallium PET/CT

Question 37

Splenic injury grading

Answer 37

AAST:
1: Subcapsular haematoma <10% area, <1cm deep parenchymal laceration, capsular tear
2: Subcapsular haematoma 10-50% area, parenchymal laceration 1-3cm, intraparenchymal haematoma <5cm
3: Subcapsular haematoma >50% area, laceration >3cm deep, ruptured subcapsular or intraparenchymal haematoma >5cm
4: Splenic vascular injury or active bleeding within splenic capsule, laceration involving segmental or hilar vessels with <25% devascularisation
5: Shattered spleen, active bleeding extending beyond spleen into peritoneum