Hip avascular necrosis

  • Idiopathic
  • Trauma and vascular
  • Fracture
  • Radiotherapy
  • Dysbaric osteonecrosis
  • Arteritis
  • Inflammatory
  • Pancreatitis
  • Connective tissue disease
  • Rheumatoid arthritis
  • Metabolic and endocrine
  • Pregnancy
  • Diabetes
  • Cushing’s syndrome
  • Gaucher’s disease
  • Toxic 
  • Steroids 
  • Alcohol
  • Immunosuppressives
  • Hematological disorders
  • Sickle cell anemia
  • Polycythemia rubra vera
  • Hemophilia