Avascular necrosis
Specialist care for avascular necrosis (osteonecrosis)
A thorough assessment
See a consultant with experience in assessing avascular necrosis (osteonecrosis) and understanding how it affects your movement, comfort and everyday life.
Clear, trusted guidance
We’ll listen to your concerns, arrange any scans you need and explain the results clearly.
Care shaped around you
Together, we’ll build a treatment plan around your diagnosis, your goals and what matters most to you.
What causes avascular necrosis (osteonecrosis)?
There may be more than one cause or contributing factor. These can include: A hip fracture or dislocation that damages blood vessels Long-term or high-dose steroid treatment Heavy alcohol use Sickle cell disease, Gaucher disease or lupus In some cases, no clear cause is found
What are the symptoms?
Everyone experiences symptoms differently, but you may notice:
- Hip pain that may spread into the groin or buttock
- Pain that gradually worsens
- Difficulty standing or putting weight through the joint
- Reduced walking and everyday activity
How is it diagnosed?
Your consultant will examine the hip and discuss your symptoms and medical history. X-rays and an MRI scan can confirm the diagnosis and show how advanced it is.
We’ll explain any tests clearly and talk you through what the results mean for you.
How is it treated?
Treatment depends on the cause, the severity of your symptoms and the activities you want to return to. We’ll help you understand your options before you decide what happens next.

Treatment routes for avascular necrosis
- Changes to painful activities
- Pain relief, if advised
- Using a walking aid to reduce load
- Monitoring in selected early cases
Recovery goals after treatment for avascular necrosis (osteonecrosis)
Goals:
Reduce pain and swelling Protect the affected area Keep moving safely as advised
Goals:
Restore comfortable movement Rebuild strength and control Return gradually to everyday tasks
Goals:
Return to suitable exercise or sport Regain confidence in your movement Continue rehabilitation or monitoring as advised
Working with hip professionals and teams
Our hip specialists support professional athletes, sports teams, active individuals and people whose work places high demands on their hips. Working closely with radiologists, physiotherapists and the wider multidisciplinary team, they provide coordinated care from diagnosis through to rehabilitation, helping each person return safely to sport, work or everyday activities.
The same specialist expertise and collaborative approach are available to every patient, whatever your activity level or recovery goals.

Our Experts - Leaders in Hip treatment
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How to pay
We offer flexible options depending on how you choose to access care at Fortius. Whichever option you choose, we’ll help make the process clear and straightforward from the start.

Private medical insurance
If your care is covered by private medical insurance, we’ll usually invoice your insurer directly. Please check your policy in advance and request an authorisation code if your insurer requires one. You’ll be responsible for paying any policy excess or costs that aren’t covered by your insurance.

Paying for yourself
You don’t need private medical insurance to access care at Fortius. If you’re paying for your own treatment, our team will explain the costs clearly and provide a personalised quote before you decide whether to go ahead.
Find a clinic near you
Fortius Clinic Marylebone Wing

Our 79,000 sq ft, seven-story, private hospital on Wigmore Street has 39 en-suite inpatient rooms, consultation and treatment rooms, and a physiotherapy suite.
The hospital has a high-spec imaging suite fully equipped with an MRI, CT scanner and X-ray machine. There are three state-of-the-art operating theatres, two anaesthetic rooms and a recovery bay.
Fortius Clinic London has two Mako robots for hip and knee joint replacements.
- 66 Wigmore StreetW1U 2SB
- +442031952442
- Open 24 hours
- Sports & Exercise Medicine
- Snow Injuries Clinic
- Tendon
- Ultrasound
- X-Ray
- Physician services
- Rheumatology
- CT guided injection
- MRI Scan
- CT Scan
Fortius Clinic Wimbledon

Our Wimbledon clinic houses a state-of-the-art imaging centre with a 3T MRI and X-ray scanners, Ultrasound, seven consulting rooms, two spacious waiting areas and well equipped treatment rooms all located on one level, ensuring easy accessibility for all patients.
Our partnership with Spire St Anthony’s Hospital allows us to provide orthopaedic surgery closer to our clinic. We treat a full range of conditions and perform joint replacement surgery using the latest Mako robotic assisted technology.
Take a tour of our clinic virtually through Google 360 views here.
We are open Monday to Friday from 8.00am to 8.00pm, and Saturday mornings from 8.30am to 12.30pm.
If you are travelling by Tube, our closest underground station is Wimbledon (District Line), which also has rail and tramlink services from central London and beyond.
There is no parking available at the clinic, but we have a number of parking facilities all within a 10-12 minute walk of the clinic: Centre Court Car Park, Broadway Car Park, and Hartfield Road Car Park. Please note that all of these facilities are paid car parks.
The building at 22 Worple Road has steps leading up to the front entrance. If you require assistance please inform us before your arrival by calling ahead on 020 3195 2442
- 22 Worple RoadSW19 4DD
- 0203 195 2442
- Snow Injuries Clinic
- Ultrasound
- X-Ray
- MRI Scan
Fortius Clinic Marylebone

Our Marylebone Clinic is conveniently located in the historic area between Baker Street and Marylebone High Street, just off Manchester Square, home to the iconic Wallace Collection. We have seven consulting rooms, private waiting areas on each floor, well equipped treatment rooms and diagnostic imaging.
- 17 Fitzhardinge StreetW1U 2EU
- 020 3195 2442
- MRI Scan
- Ultrasound
- X-Ray
- Physician services
- Rheumatology
Fortius Clinic City

Our City Clinic is conveniently located between Bank and Monument stations, within the historic and financial heart of London. At our modern, two-floor facility we have nine consulting rooms, spacious waiting areas, well equipped treatment rooms and an imaging centre.
Explore our City Clinic with our virtual tour.
If you are travelling by Tube, our closest underground stations are Bank and Monument, exit 6 for King William Street.
Should you be travelling by car, the closest parking is a three minute drive away at NCP Car Park London Vintry Thames Exchange. If you are attending clinic on a weekday, please be aware that we are based in the congestion charge zone.
- 75 King William StreetEC4N 7BE
- 0203 195 2442
- Monday to Friday from 8.00am to 8.00pm.
- Snow Injuries Clinic
- Tendon
- Sports & Exercise Medicine
- Ultrasound
- X-Ray
- Physician services
- Rheumatology
- MRI Scan
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