Avascular Necrosis Questions & Answers

Updated: Dec 05, 2020
  • Author: Sunny B Patel, MD; Chief Editor: Herbert S Diamond, MD  more...
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Questions & Answers

Overview

What is avascular necrosis (AVN)?

What is the pathophysiology of avascular necrosis (AVN)?

What is the US prevalence of avascular necrosis (AVN)?

What is the global prevalence of avascular necrosis (AVN)?

What is the morbidity and mortality associated with avascular necrosis (AVN)?

What are the racial predilections of avascular necrosis (AVN)?

What are the sexual predilections of avascular necrosis (AVN)?

Which age groups have the highest prevalence of avascular necrosis (AVN)?

Presentation

Which clinical history findings are characteristic of avascular necrosis (AVN)?

Which physical findings are characteristic of avascular necrosis (AVN)?

What causes avascular necrosis (AVN)?

DDX

Which conditions are included in the differential diagnoses of avascular necrosis (AVN)?

What are the differential diagnoses for Avascular Necrosis?

Workup

How is avascular necrosis (AVN) diagnosed?

Which histologic findings are characteristic of avascular necrosis (AVN)?

How is avascular necrosis (AVN) staged?

What is the role of radiography in the workup of avascular necrosis (AVN)?

What is the role of MRI in the workup of avascular necrosis (AVN)?

What is the role of bone scans in the workup of avascular necrosis (AVN)?

What is the role of CT scans in the workup of avascular necrosis (AVN)?

Treatment

How is avascular necrosis (AVN) treated?

What is the role of surgery in the treatment of avascular necrosis (AVN)?

What is the role of core decompression in the treatment of avascular necrosis (AVN)?

What is the role of bone graft in the treatment of avascular necrosis (AVN)?

What is the role of osteotomy in the treatment of avascular necrosis (AVN)?

What is the role of hip arthroplasty in the treatment of avascular necrosis (AVN)?

What is the role of stem cell therapy in the treatment of avascular necrosis (AVN)?

How is avascular necrosis (AVN) of the femoral condyles treated?

How is humeral head avascular necrosis (AVN) treated?

Which specialist consultations are beneficial to patients with avascular necrosis (AVN)?

Which activity modifications are used in the treatment of avascular necrosis (AVN)?

Medications

What is the role of medications in the treatment of avascular necrosis (AVN)?

Follow-up

How is avascular necrosis (AVN) prevented?

What are the possible complications of avascular necrosis (AVN)

What is the prognosis of avascular necrosis (AVN)?

What is included in patient education about avascular necrosis (AVN)?