Avascular necrosis of hip: Difference between revisions

(Separated to traumatic and non traumatic causes)
(Added reference)
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==References==
==References==
*JONES PHD, L. C. AND MONT MD, M. A. Osteonecrosis (avascular necrosis of bone) In-text: (Jones PhD and Mont MD) Your Bibliography: Jones PhD, Lynne C and Michael A Mont MD. "Osteonecrosis (Avascular Necrosis Of Bone)". UpToDate. N.p., 2016. Web. 31 July 2016.
*Kelly JD et al. Femoral head avascular necrosis treatment & management. Aug 16, 2015. http://emedicine.medscape.com/article/86568-treatment#showall.
*Stoica Z et al. Imaging of Avascular Necrosis of Femoral Head: Familiar Methods and Newer Trends. Curr Health Sci J. 2009 Jan-Mar; 35(1): 23–28.
*Stoica Z et al. Imaging of Avascular Necrosis of Femoral Head: Familiar Methods and Newer Trends. Curr Health Sci J. 2009 Jan-Mar; 35(1): 23–28.
*Kelly JD et al. Femoral head avascular necrosis treatment & management. Aug 16, 2015. http://emedicine.medscape.com/article/86568-treatment#showall.
 


[[Category:Orthopedics]]
[[Category:Orthopedics]]

Revision as of 17:06, 31 July 2016

Background

Etiologies

  • Traumatic causes
    • Femoral neck fracture
    • Dislocation
  • Non-traumatic causes
    • Use of corticosteriods
    • Alcohol use
    • Tobacco use
    • Caisson disease aka Dysbarism
    • Systemic lupus erythematosus
    • Chronic Renal Disease
    • Pancreatitis
    • Radiation therapy
    • HIV
    • Idiopathic

Clinical Features

Differential Diagnosis

Evaluation

  • Plain XR is poorly sensitive in early stages, as low as 41%
  • Radiographic changes may be delayed by years
  • MRI ~90% sensitivity and specificity

Disposition

  • Initial supportive care until later stages of disease
  • Orthopedic consultation for repeat imaging and risk stratification for surgical treatment

References

  • JONES PHD, L. C. AND MONT MD, M. A. Osteonecrosis (avascular necrosis of bone) In-text: (Jones PhD and Mont MD) Your Bibliography: Jones PhD, Lynne C and Michael A Mont MD. "Osteonecrosis (Avascular Necrosis Of Bone)". UpToDate. N.p., 2016. Web. 31 July 2016.
  • Kelly JD et al. Femoral head avascular necrosis treatment & management. Aug 16, 2015. http://emedicine.medscape.com/article/86568-treatment#showall.
  • Stoica Z et al. Imaging of Avascular Necrosis of Femoral Head: Familiar Methods and Newer Trends. Curr Health Sci J. 2009 Jan-Mar; 35(1): 23–28.