AVN Flashcards
What is the major cause of AVN?
Trauma
Are there any labs to diagnose AVN?
NO
What is the treatment & time frame for AVN?
All AVN’s are self-resolving, but it takes 8 months to 2 years
All AVN’s can lead to ….
DJD
What special tests can be done to dx AVN?
Bone Scan or MRI
AVN in carpal Scaphoid
Preiser’s
AVN in Vertebral End Plate Epiphysis
Scheuermann’s
AVN in Femoral Epiphysis
Legg Calve Perthes
AVN in tarsal Navicular
Kohler’s
AVN in carpal Lunate
Keinboch’s
AVN in Calcaneus
Sever’s
AVN in Medial Tibial Condyle
Blount’s
AVN in Head of 2nd or 3rd Metatarsal (toes)
Freiberg’s
AVN in Articular surface of the Medial Femoral Condyle
Osteochondritis Dessicans
AVN in Capitellum (hand)
Panner’s
Diagnose:
- 16-25 yo +/-
- Athletes
- Knee locks out on extension
- Associated with Wilson’s sign
- Best seen on tunnel view radiograph
Osteochondritis Dessicans
AVN of Medial Femoral Condyle
Diagnose:
- MC seen between 10-16 yo +/-
- Case history of rounding shoulders, increased kyphosis, or young patients with back pain
Radiographic Findings:
- Slight loss of Anterior Body height of one or more vertebrae
- Multiple endplate irregularities of 3 or more continuous vertebrae
Scheuermann’s Disease
What is the case management for Scheuermann’s Disease?
Thoracolumbar brace
Strengthen the erectors
Stretch the pecs
