Radiology

Question 1

• 20-30 M>F
• MOI: insidious, repetitive stress (micro
  fx’s)
• Ant/superior shoulder pain
• (-) bench press, push ups
• Reabsorption of distal clavicle
• (+) Arm horizontal abd Test

Answer 1

Distal Clavicle Osteolysis

Question 2

Stage:
1 - (-) xray, (+) mri findings
2 - OP, groin pain, mottled sclerosis
3 - crescent line
4 - Segmental flattening, panful ROM, no acetabular involvement and joint space = wnl
5 - Joint space narrowing, acetabular DJD

Answer 2

Avascular Necrosis (AN)

Legg-Calve-Perthes (3-12)

Question 3

• 12-16, M
• Obese (mc)
• +/- groin pain (may be only knee pain 30%)
• Altered gate: foot Add + ER, Knock knee, possible groin
  myospasm
• Decreased + painful IR
• Management?

Answer 3

SCFE

Referral to ortho > Xray (ap + frog leg) >

Question 4

Ottawa Knee Rules:
- X-ray for acute knee pain if?

Answer 4

• > 55, Tender head of fibula, cant flex knee 90, isolated patellar tenderness
• Cant bare weight
• (-) 4 Step test

Question 5

Ottawa Ankle Rules:
- X-ray for acute ankle pain if?

Answer 5

Ankle trauma + any (1):
- > 55
- cant WB for 4 steps
- any local bony tenderness
- 7 days no improvement