Patient Information Resources

Centre for Orthopaedics
Suite 10-33/34/35 Mount Elizabeth Novena Specialist Centre
38 Irrawaddy Road
Singapore, 329563, Singapore
Ph: (65) 6684 5828
Fax: (65) 6684 5829

Child Orthopedics
Pain Management
Spine - Cervical
Spine - General
Spine - Lumbar
Spine - Thoracic

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I have recently had surgery for a fractured talus and my doctor discovered in my follow up x-ray that I have osteonecrosis. What is that and what does that mean for my recovery?

Osteonecrosis is defined on ankle and foot radiographs as increased radiographic density, relative to the adjacent osseous structures, essentially meaning that there has been interruption of the vascular supply to the bone causing bone death. Although this sounds bad, in this study it appears that the radiographic density will normalize in about half of the cases. In terms of your recovery it will be important to see if the osteonecrosis determined in your follow up x-ray revascularizes or if there is a resultant collapse of the talar dome. If the talar dome collapses there will be a higher likely hood that you will experience some form of post traumatic arthritis due to permanent changes in the bone and subsequent joint surfaces.


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