What is Avascular Necrosis
Avascular necrosis is the death of bone tissue as a result of disruption to the blood supply in the bone.
Avascular necrosis is most commonly seen in the navicular bone, talus and also the second metatarsal.
What is Friebergs infraction
Causes of Friebergs infraction
There is no known cause of Friebergs Infraction, it is thought that trauma may initiate the problem.
Diagnosis of Friebergs infraction
There can be pain, swelling, redness or warmth on the ball of the foot. The diagnosis is confirmed by x-ray and a complete examination at the Foot and Ankle Centre of Victoria.
Symptoms can last for a few days or may persist for up to two years.
Treatment of Friebergs infraction
Friebergs infraction usually resolves within a year the the metatarsal head may have a flattened appearance.
Treatment is designed to reduce the pain and offload the forefoot this can be in the form of.
- Orthotics with a metatarsal dome
- More supportive shoes
- Stiff shoes
Surgery is not indicated in the treatment of Kohler disease.
What else could it be? (differential diagnosis)
Other problems that can cause similar pain to Friebergs infraction include: