20231103 Wrist disorders P2a - Dr Suraya

Which of the following structures form the boundaries of the anatomic snuff box of the wrist

• Extensor pollicis longus tendon & abductor pollicis longus tendon

• Abductor pollicis brevis tendon & abductor pollicis longus tendon

• Extensor pollicis longus tendon & extensor pollicis brevis tendon

• Radial artery & extensor pollicis longus tendon

• Abductor pollicis longus tendon & extensor pollicis brevis tendon

A 39 years old male presents with severe right wrist pain after landing on his extended right arm. Physical examination reveals tenderness, swelling, and bruising in the anatomic snuff box and a limited range of motion in both active and passive due to pain. Plain radiograph does not show a fracture. What is the most appropriate next step in management?

• Rest, ice, and NSAIDs

• Intra articular corticosteroid injection

• Thumb spica and repeat x ray in 2 weeks

• Operative exploration

• Discharge patient

A 17 years old male presents with acute right wrist pain after falling on an outstretched hand with his palm facing down. On examination, the wrist appears normal, but there is significant pain with wrist movement and tenderness over the anatomical snuffbox with axial loading. Wrist xray are unremarkable. Which of the following is the most sensitive for diagnosing in his suspected condition in the first 24 hour after the injury

• MRI

• CT scan

• Ultrasound

• MRI angiography

• DEXA scan

Percutaneous screw fixation for non displaced waist fractures has been shown to have which of the following differences compared to conservative treatment

• Decreased direct cost

• Slower return to work

• Higher union rates

• Reduced time to fracture union

• Improved motion and grip strength after 2 years

A 25 years old lady had a motor vehicle accident and sustained injury seen in Figure A. Operative and non operative management were discussed with the patient who opted for non operative treatment. Which of the following should be immobilized for optimal management of the injury?

• Thumb, wrist and elbow

• Wrist and elbow

• Thumb and wrist

• Wrist

• Immobilization is not necessary