Specialist care for foot and ankle pain
Assessment and treatment led by Prof Lyndon Mason, consultant foot and ankle surgeon, with clinics at Spire Liverpool and the Isle of Man.
- Hunterian Professor, Royal College of Surgeons
- Over 30 national and international awards
- Doctify Great Patient Experience 2026

See Prof Mason at Spire Liverpool
- New patient consultation
- £250
- Follow-up appointment
- £150
or call 07717 580737
Self-pay and insured patients welcome.
Where does it hurt?
Choose the part of your foot or ankle to find the conditions we treat there.
Tap or click the area that hurts.
Where is your pain?
Choose an area on the foot to see the conditions we treat there, with plain-English guides written by Prof Mason. Switch between the outer and inner side using the buttons above the picture.
Outer side
Front of the ankle
Ache or stiffness at the front of the ankle, often after an old injury.
Outer side
Midfoot joints below the ankle
Deep pain where the ankle meets the midfoot, worse on uneven ground.
Outer side
Outer ankle and outer edge of the foot
Pain around or below the outer ankle bone, along the tendons or the outer edge of the foot, or an ankle that gives way.
- Ankle instabilityAn ankle that keeps rolling or giving way after sprains.
- Peroneal tendon problemsPain and swelling behind the outer ankle bone, sometimes with clicking.
- Subtalar arthritisPain below the ankle, worse on uneven ground or slopes.
- Bunionette (tailor's bunion)A painful bump on the outside of the foot at the base of the little toe.
- Fifth metatarsal fracturesA break of the long bone on the outer edge of the foot, often after a twist.
- Complex regional pain syndrome (CRPS)Pain, swelling and skin changes out of proportion after an injury.
Outer side
Top of the midfoot
Aching across the top of the foot, sometimes with a bony lump.
Outer side
Ball of the foot and smaller toes
Pain under the ball of the foot, between the toes, or bent toes that rub.
- Morton's neuromaBurning pain or numbness between the toes, like walking on a pebble.
- Lesser toe deformities (hammer, claw and mallet toes)Bent, curled or overlapping smaller toes that rub in shoes.
- Freiberg's diseasePain and stiffness at the base of the second toe from a damaged metatarsal head.
- Bunionette (tailor's bunion)A painful bump on the outside of the foot at the base of the little toe.
- Complex regional pain syndrome (CRPS)Pain, swelling and skin changes out of proportion after an injury.
Outer side
Big toe
A bump at the base of the big toe, or a stiff painful big toe.
- Bunion (hallux valgus)A bony bump at the base of the big toe as the toe drifts towards the others.
- Big toe arthritis (hallux rigidus)A stiff, painful big toe joint, often with a bump on top.
- SesamoiditisPain under the ball of the foot beneath the big toe.
- Complex regional pain syndrome (CRPS)Pain, swelling and skin changes out of proportion after an injury.
Outer side
Back of the heel
Pain at the back of the heel or in the Achilles tendon.
Inner side
Big toe
A bump at the base of the big toe, or a stiff painful big toe.
- Bunion (hallux valgus)A bony bump at the base of the big toe as the toe drifts towards the others.
- Big toe arthritis (hallux rigidus)A stiff, painful big toe joint, often with a bump on top.
- SesamoiditisPain under the ball of the foot beneath the big toe.
- Complex regional pain syndrome (CRPS)Pain, swelling and skin changes out of proportion after an injury.
Inner side
Smaller toes
Bent or rubbing toes, or pain under the ball of the foot.
- Lesser toe deformities (hammer, claw and mallet toes)Bent, curled or overlapping smaller toes that rub in shoes.
- Morton's neuromaBurning pain or numbness between the toes, like walking on a pebble.
- Freiberg's diseasePain and stiffness at the base of the second toe from a damaged metatarsal head.
- Complex regional pain syndrome (CRPS)Pain, swelling and skin changes out of proportion after an injury.
Inner side
Top of the midfoot
Aching or a bony lump on top of the foot behind the big toe.
Inner side
Talonavicular joint
Pain on the inner side of the foot just in front of the ankle, where the talus meets the navicular.
Inner side
Front of the ankle
Ache or stiffness at the front of the ankle, often after an old injury.
Inner side
Inner ankle tendon and arch
Pain behind the inner ankle bone running down to the arch, or a change in the shape of the arch.
- Tibialis posterior tendon dysfunctionPain and swelling on the inner ankle, with a gradually flattening arch.
- Flat foot (pes planus)A low or collapsing arch, sometimes with pain inside the ankle.
- High-arched foot (pes cavus)An unusually high arch, often with the heel tilting in and outer-foot pain.
- Midfoot arthritisAching across the top of the foot, often with a bony lump.
- Complex regional pain syndrome (CRPS)Pain, swelling and skin changes out of proportion after an injury.
Inner side
Heel
Pain under the heel when you first stand, or at the back of the heel.
Not sure? Book a consultation and Prof Mason will assess the whole foot.
How it works
Book an appointment
Book online at Spire Liverpool or call the patient liaison team. If you are insured, check with your insurer first, as most need a GP referral.
Your consultation
A full assessment with Prof Mason, with X-rays or scans arranged where they are needed. You leave with a clear explanation and plan.
Treatment that fits you
Most problems improve without surgery. When an operation is the right choice, you'll get written information, the risks and a recovery plan before deciding.
Meet Prof Lyndon Mason
Prof Mason is a consultant foot and ankle surgeon at Liverpool University Hospitals and Spire Liverpool, and Honorary Associate Professor at the University of Liverpool. He is a co-lead of the national foot and ankle registry for the British Orthopaedic Foot and Ankle Society.
He is internationally known for his education and research, with multiple national and international honours such as the Hunterian Professorship and Arnott Lectureship from the Royal College of Surgeons of England and the Kenneth Johnson lectureship from the American Orthopaedic Foot and Ankle society.

Keyhole surgery
Minimally invasive bunion, deformity and arthritis surgery through tiny incisions.
Bunion surgery
Cryotherapy
Ultrasound-guided freezing for Morton's neuroma, offered by Dr Kimberly Lam.
Morton's neuroma
Heel pain clinic
A decade leading a specialist referral clinic for plantar fasciitis and Achilles pain.
Plantar fasciitis
Injuries
Internationally recognised expertise in ankle fractures and complex foot and ankle trauma.
TreatmentsWhat patients say
Prof Mason was awarded Doctify's Great Patient Experience badge for 2026, based on verified patient feedback.
Follow us
Short, practical foot and ankle tips and research news.
Book a consultation
Spire Liverpool Hospital
Prof Lyndon Mason (weekly clinics)
57 Greenbank Road, Liverpool L18 1HQ
Patient liaison (Clare van de Waal): 07717 580737
Spire Liverpool appointments: 0151 522 1860
Isle of Man Clinic
Prof Lyndon Mason (clinics every 3 months) and Mr Hassan Ridha
Premiere House, Carr's Lane, Douglas, Isle of Man IM4 4QB
Patient liaison: 07717 580737
Oaklands Hospital
Mr Vasileios Lampridis
19 Lancaster Road, Salford M6 8AQ
Private patient team: 0161 787 7700
Send us a message
We aim to reply within two working days. Please do not use this form for urgent medical problems; contact NHS 111 or your GP.
Working with
Ruth Cooil Physiotherapy
Specialist physiotherapy and rehabilitation for Isle of Man patients, before and after surgery, so recovery can happen close to home with specialist oversight from the clinic team.
Great Gait
Gait analysis and biomechanical assessment, custom (including 3D-printed) orthotics, bracing and structured foot and ankle rehabilitation.
The Bone and Joint Centre
The Liverpool Foot and Ankle Clinic works within the Bone and Joint Centre at Spire Liverpool, with access to its imaging, theatres and multidisciplinary team.



