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Regional osteopenia
Definition: Decreased bone density confined to a region or segment of the appendicular skeleton.
Most common
- 1. Disuse —typically distal foot and ankle, hand and wrist.
- 2. Complex regional pain syndrome —typically unilateral upper limb. Triple phase uptake on bone scintigraphy.
- 3. Inflammatory arthropathy .
- 4. Septic arthritis .
Less common
- 5. Transient osteoporosis of the hip .
- 6. Regional migratory osteoporosis .
- 7. Haemophilic arthropathy .
- 8. Soft tissue arteriovenous malformation.
