Avascular (aseptic) necrosis results from the interruption of the blood supply to bone (either traumatic or nontraumatic occlusion).
The femoral head is the most common site.
Onset (gradual or after traumatic event)
Association with the following:
Medications (steroids or chemotherapy)
Casting, splinting, surgery (iatrogenic)
NSAIDs may reduce pain by decreasing associated inflammation but may also reduce new bone formation.
If associated with corticosteroid use, discontinuation or elimination of steroid...
Thought not to alter disease process
Recommend general balanced diet.
During immobilization, excessive weight gain may occur.
Depends on extent of femoral head collapse
Good if m...
Lahdes-Vasama T, Lamminen A, Merikanto J, et al. The value of MRI in early Perthes’ disease: an MRI study with a 2-year follow-up. Pediatr Radiol. 1997;27(6):517–522. [View Ab...
733.42 Aseptic necrosis of head and neck of femur
732.1 Juvenile osteochondrosis of hip and pelvis
M87.059 Idiopathic aseptic necrosis of unspecified femur
M91.10 Juvenile osteochondrosis ...
Q: What type of medication is most often associated with avascular necrosis of the hip?
Q: For avascular necrosis in children (Perthes disease of the hip, for example), is younger...
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