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Concomitant sickle cell disease and skeletal fluorosis
M H Sy1, A Toure-Fall, N Diop-Sall
1Service d'orthopédie-traumatologie, centre hospitalo-universitaire, h pital A. Le Dantec, Dakar, Senegal.
Joint Bone Spine
|January 6, 2001
Summary
Skeletal fluorosis and sickle cell disease present diagnostic challenges, especially in areas with high fluoride. Combining these conditions complicates bone lesion identification and treatment, particularly for hip replacement surgery.
Area of Science:
- Orthopedics
- Rheumatology
- Public Health
Background:
- Sickle cell disease (SCD) commonly causes avascular necrosis of bone.
- Skeletal fluorosis is characterized by increased bone density.
- High fluoride levels in water and soil are endemic in parts of Senegal.
Observation:
- Two Senegalese patients with SS sickle cell disease presented with diagnostic and therapeutic challenges.
- Skeletal fluorosis was diagnosed in one patient during evaluation for avascular necrosis and in the other after septic arthritis.
- Bone lesions from SCD and fluorosis can mimic other conditions, including metastases.
Findings:
- Femoral head necrosis is difficult to diagnose in patients with coexisting skeletal fluorosis.
- The combination of SCD and fluorosis leads to medullary canal narrowing due to cortical thickening and necrotic bone accumulation.
- Careful surgical technique during hip replacement is crucial to minimize risks.
Implications:
- Accurate diagnosis of bone conditions is critical in endemic fluorosis areas with high SCD prevalence.
- Understanding the combined effects of SCD and fluorosis is essential for effective patient management.
- Surgical approaches for hip replacement in these patients require specific considerations to prevent complications.