MSK

Question 1

Pencil in cup x-ray appearance and sausage fingers

Answer 1

Psoriatic arthritis

Question 2

Wrist drop

Answer 2

Radial nerve palsy

Question 3

“Dinner fork” or “Swan’s neck” deformity in wrist

Answer 3

Displaced Colles’ fracture

Question 4

Pain/tenderness in the anatomical snuffbox

Answer 4

Scaphoid fracture

Question 5

“Feels like walking on pebbles”

Answer 5

Advanced rheumatoid arthritis in the feet (subluxation of the metatarsophalangeal joints)

Question 6

Arthritis + Uveitis + Urethritis (can’t see, can’t pee, can’t bend the knee)

Answer 6

Reiter’s syndrome

Question 7

Foot drop

Answer 7

Common fibular nerve

Question 8

Fracture avascular necrosis

Answer 8

Proximal scaphoid, intracapsular femoral, femoral condyles, humeral head, capitellum and proximal talus

Question 9

Hanging rope sign

Answer 9

AVN

Question 10

Negative birefringent, needle shaped urate crystals (yellow to blue)

Answer 10

Gout

Question 11

Envelope shaped/rhomboid, mildly positive birefringent Ca pyrophosphate crystals

Answer 11

Pseudogout

Question 12

Positive anterior drawer test (tibia can be pulled forward easily on the femur when knee flexed)

Answer 12

ACL rupture/tear

Question 13

Pain in internal rotation and extension of knee at 90º

Answer 13

Lateral meniscal tear

Question 14

Painful arc (pain on abducting between about 70-120º)

Answer 14

Supraspinatous tendon damage, rotator cuff tendon impingement

Question 15

Difficulty with external shoulder rotation

Answer 15

Frozen shoulder

Question 16

Dry eyes, mouth, skin, +ve Schirmer’s test

Answer 16

Sjogren’s syndrome (with infiltration)

Question 17

What is sjorgren’s syndrome associated with?

Answer 17

Rheumatoid arthritis

Question 18

Dry eyes, mouth, vagina and bronchitis

Answer 18

Sicca syndrome (no infiltration and no signs of arthritis)

Question 19

Locked knee

Answer 19

Bucket handle meniscal tear

Question 20

Bamboo spine on X-ray, sacroiliitis and question mark posture

Answer 20

Ankylosing spondylitis

Question 21

Shortened leg and externally rotated

Answer 21

Displaced fracture neck of femur

Question 22

Shortened leg and internally rotated

Answer 22

Disclosed femoral head

Question 23

Onion peel sign

Answer 23

Ewing’s sarcoma

Question 24

“Sunray” spiculation

Answer 24

Osteosarcoma

Question 25

Popcorn calcification on x-ray

Answer 25

Chondrosarcoma

Question 26

Soap bubble appearance on x-ray

Answer 26

Giant cell tumour (benign)

Question 27

Scalp tenderness and jaw claudication

Answer 27

Temporal arteritis

Question 28

Gower’s sign +ve

Answer 28

Duchenne’s muscular dystrophy

Question 29

Swollen “woody” calves

Answer 29

Duchenne or Beckers MD

Question 30

“Hatchet-like” face

Answer 30

Myotonic dystrophy

Question 31

Rosary bead sign

Answer 31

Polyarteritis nodosa

Question 32

Light bulb sign

Answer 32

Posterior shoulder dislocation

Question 33

Shepherd’s hook deformity

Answer 33

Fibrous dysplasia