PREISER'S DISEASE

Question 1

Definition of Preiser’s Disease

Answer 1

Idiopathic AVN of the scaphoid

Question 2

2 investigations for Preiser’s Disease

Answer 2

1. Plain radiographs
   - Sclerosis and fragmentation of proximal pole without evidence of fracture
2. MRI
   - Low signal on T1 and T2
   - Useful to assess partial vs. complete involvement

Question 3

Management of Preiser’s Disease

Answer 3

Non-surgical vs. surgical management
Non-surgical = immobilisation (success rate = 20%)
Surgical = scaphoid preserving vs. scaphoid sacrificing options

Question 4

Surgical options for Preiser’s Disease

Answer 4

Scaphoid preserving vs. scaphoid sacrificing
2 scaphoid preserving options:
- Microfracture drilling
- Revascularisation procedures
2 scaphoid sacrificing options:
- Scaphoidectomy and 4 corner fusion
- PRC