Pathologic / Fragility Fractures - Differential Diagnosis Algorithm
Tumours
- See Bone Lesions Scheme
Paget's Disease
- Skull/spine/Pelvis
- Positive Alkaline Phosphatase
Renal Osteodystrophy
- Secondary to Chronic Renal Failure
Osteomalacia / Ricketts
- Diffuse Pain/Proximal Muscle Weakness
• Vitamin D Deficiency
• Mineralization Defect
• Phosphate Deficiency
Primary Osteoporosis
• Post-Menopausal
• Elderly
Secondary Osteoporosis
• Gastrointestinal Disease
• Bone Marrow Disorder
• Endocrinopathy
• Malignancy
• Drugs (e.g. corticosteroids)
• Rheumatoid Disease
• Renal Disease
• Poor Nutrition
• Immobilization
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