MSK Flashcards

1
Q

Pencil-in-cup X-ray appearance, sausage fingers

A

Psoriatic arthritis

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2
Q

Wrist drop

A

Radial nerve palsy

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3
Q

Dinner fork or swan’s neck deformity of wrist

A

displaced colles fracture

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4
Q

Pain/tenderness in the anatomical snuffbox

A

scaphoid fracture

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5
Q

“feels like walking on pebbles”

A

advanced rheumatoid arthritis in the feet - subluxation of the metatarsophalangeal joints

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6
Q

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

A

Reiter’s Syndrome (Reactive Arthritis)

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7
Q

Foot drop

A

common fibular nerve (peroneal nerve)

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8
Q

fracture AV necrosis

A

Proximal scaphoid, Intracapsular femoral, femoral condyles, humeral head

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9
Q

Hanging rope sign

A

AVN

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10
Q

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

A

Gout

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11
Q

Envelope shaped/rhomboid, mildly positive birefringent Ca pyrophosphate crystals

A

Pseudogout

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12
Q

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

A

ACL tear/rupture

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13
Q

Pain in internal rotation and extension of knee at 90 degree

A

Lateral miniscal tear

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14
Q

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

A

damaged supraspinatus tendon, frozen shoulder, rotator cuff tendon impingement

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15
Q

Difficulty with external rotation of the shoulder

A

frozen shoulder

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16
Q

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

A

Sjogren’s Synd. (with infiltration) (often with RA)

17
Q

Dry eyes, mouth, vagina, bronchitis

A

Sicca Synd. (no infiltration) (no signs of arthritis)

18
Q

Locked knee

A

bucket handle meniscal tear

19
Q

Bamboo spine on X RAY, sacroiliitis and question mark posture

A

Ank Spond

20
Q

Shortened leg and externally rotated

A

Displaced fracture neck of femur

21
Q

Shortened leg and internally rotated

A

Dislocated femoral head

22
Q

“onion peeling” sign

A

Ewing’s sarcoma

23
Q

“sunray” spiculation

A

Osteosarcoma

24
Q

“popcorn calcification” on xray

A

Chondrosarcoma

25
Q

“soap bubble appearance” on xray

A

Giant cell tumour (benign)

26
Q

Scalp tenderness and jaw calcification

A

Temporal arteritis

27
Q

Gower’s sign positive

A

Duchenne MD

28
Q

Swollen, “woody” calves

A

Duchenne or Becker MD

29
Q

“Hatchet-like” face

A

Myotonic dystrophy

30
Q

Rosary bead sign

A

polyarteritis nodosa

31
Q

“light bulb” sign

A

posterior shoulder dislocation

32
Q

“Shephard crook” deformity

A

fibrous dysplasia