SBAs for the Final FRCR 2A Unit 2

Question 1

MRI findings in transient patellar dislocation

Answer 1

Oedema to medial facet of patella and lateral femoral condyle

Question 2

Anterior of C1 lies infront of lower portion of C2

Answer 2

Atlantoaxial impaction

Question 3

Bony ankylosis of carpal bones

Answer 3

Suggests juvenile rheumatoid arthritis

Question 4

Hypervascular pannus

Answer 4

Intermediat eto high T2, low T1, enhances and retains on delayed imaging

Question 5

Commonest fracture associated with radial head fracture

Answer 5

Coronoid process fracture

Question 6

Dashboard injury, normal knee XR, most likely MR findings

Answer 6

Anterior tibial bruising

Question 7

US findings of baker’s cyst

Answer 7

Anechoic cyst communicating with semimembranosis and medial head of gastrocnemius

Question 8

Epiphyseal lucent lesions in epihysis of immature long bones

Answer 8

Chondroblastoma

Question 9

Multiple myeloma X-ray sensitivity

Answer 9

75% will have positive findings

Question 10

Most echogenic foreign body for US vs X ray

Answer 10

Wood

Question 11

MR, XR and clinical correlation of OA severity

Answer 11

MR and XR correlate well with each other, not with symptoms

Question 12

Lucent lesion, wide zone of transition in distal femoral metaphysis, with fluid-fluid levels

Answer 12

Telangiectatic osteosarcoma

Question 13

Commonest fracture associated with perilunate dislocation

Answer 13

Scaphoid

Question 14

Sarcoid joint changes

Answer 14

Cyst-like radiolucencies,
Lacelike pattern of bone destruction
erosions
subcutaneous soft tissue mass

Question 15

thinly septated cystic lesion near proximal tibiofibular joint, no enhancement

Answer 15

Ganglion cyst

Question 16

Ankylosis distribution in AS

Answer 16

Involved vertebral edges and centre

Question 17

RFA success in osteoid osteoma

Answer 17

Complete symptom relief seen in 90% after initial therapy

Question 18

Osteomyelitis vs neuropathic arthropathy

Answer 18

Osteomyelitis shows focal involvement

Question 19

Resorption of the middle portion of terminal phalanx

Answer 19

Polyvinyl chloride

Question 20

Advantage of fat sat T1 in MR arthrography

Answer 20

Allows determination of full vs partial thickness tear

Question 21

Low T1/T2 signal mass in foot with enhancement

Answer 21

Plantar fibromatosis (morton’s neuroma is T1 iso)

Question 22

CPPD associated with

Answer 22

Hypothyroidism,
Hyperparathyroidism,
Hypomagnesaemia,
Haemochromatosis

Question 23

Presier disease

Answer 23

Osteonecrosis if the scaphoid

Question 24

Iselin disease

Answer 24

Osteochondrosis of base of 5th metatarsal

Question 25

Vertebral haemangioma MRI appearances

Answer 25

T1 bright, T2 bright, STIR dark

Question 26

Posterior iliac horns

Answer 26

Nail-patella syndrome

Question 27

Parosteal osteosarcoma vs myositis ossificans

Answer 27

Pattern of calcification: Diffuse & mainly central vs peripheral

Question 28

Reverse hybrid total hip replacement

Answer 28

Cemented acetabular cup plus uncemented femoral stem

Question 29

Calcaneal fracture classification

Answer 29

Based on fracture location at posterior facet

Question 30

Normal tibio-calcaneal angle

Answer 30

60-90 degrees

Question 31

Normal talo-calcaneal angle

Answer 31

15-40 degrees

Question 32

Osteogenesis imperfecta

Answer 32

Type 1 is most common. Characteristic blue sclera. Hearing impairment. Type 4: blue sclera often absent after adolescence. Type 2 and 3 have significantly reduced life span

Question 33

Mucopolysaccharidoses without intellectual impairment

Answer 33

Morquio