Dr. Öğr. Üyesi Görkem Kıyak
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Deformity Correction & Limb Lengthening
Limb lengthening surgery
What limb lengthening surgery is, how a cut bone is lengthened by about a millimetre a day, who it is used for, nail versus external frame versus combined methods, realistic gains per bone, the difference between medical and cosmetic height lengthening, approximate costs in Turkey against the UK, US and Germany, recovery and risks.
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What is limb lengthening surgery, and how does it work?
Limb lengthening surgery lengthens a short bone by making use of the body's own ability to grow new bone. The surgeon cuts the bone, keeps the two ends apart with a frame outside the limb or a nail inside the bone, and, after a short rest, separates them by about one millimetre a day. New bone forms in the gap, and muscles, nerves and vessels stretch with it. When the target length is reached the bone hardens, and the hardware is taken out. The technique is called distraction osteogenesis, and it was developed in the twentieth century for children and adults whose bones were short from injury, infection or birth. Hospitals in Turkey perform it with motorised nails and with circular and monolateral frames.
This guide covers who needs the operation, the methods, the amount that can be gained, cost, recovery and risks. For other bone and joint procedures see our orthopedics treatments in Turkey.
Who is limb lengthening surgery used for?
The largest group is people with a leg length difference, whether it follows a childhood growth problem, a fracture that healed short, bone infection, a congenital shortening of the femur or tibia, or a hip or knee condition. Others have a bone deformity (a bowed leg or a twisted bone) that is corrected at the same time, which is covered in our guide to bone deformity correction surgery. A third group has short stature, such as in achondroplasia, and a fourth consists of people who are healthy but would like to be taller.
These groups carry different balances of benefit and risk. A leg difference that causes a limp, pain or a tilted pelvis has a clear medical aim. Lengthening for height alone is a cosmetic choice: it uses the same operation, with the same months of recovery and risks, and many orthopaedic surgeons will only consider it after a careful assessment. Anyone should be wary of a clinic that sells it quickly or without testing your bones and joints first.
Is a shoe lift, a different operation or lengthening the right choice?
A difference under about 2 cm is usually managed with a shoe lift. In a child who is still growing, slowing the growth of the longer leg (epiphysiodesis) may even out the legs without lengthening. In an adult, shortening the longer bone is possible but loses height, so lengthening the short bone is often preferred when the gap is large. A long-standing leg difference can also tilt the pelvis and make the spine curve; whether a curve is functional or structural is assessed separately, as in the guide to the operative treatment of scoliosis.
Nail, frame or both: which lengthening method is used?
The method is chosen for each bone and each patient. See also deformity correction and limb lengthening for the combined approach.
| Method | Suits | Typical limits |
|---|---|---|
| Motorised intramedullary nail | Adults with straight, wide enough bones needing a moderate gain; no pins in the skin | Amount limited by nail length; high implant cost |
| External circular frame | Large gains, angled or rotated bones, bones with past infection, children | Pin-site care, bulky device, visible scars |
| Monolateral external fixator | Straightforward lengthening where a lighter frame is enough | Less able to correct complex angles |
| Frame first, then nail | Shortening the time in a frame after the gain is complete | Needs a team experienced with both |
Does limb lengthening surgery work?
For leg length difference and bone deformity, yes: the method is well documented and most patients reach the planned gain, which leads to a more even gait and less pain from compensation. The evidence is strongest for the outcome of length and alignment, and weaker for the longer-term effect on joint health, which depends on the cause. It does not repair a damaged hip or knee. For cosmetic height gain the result is also reliable in length terms, but the balance of months of treatment and risk against a few centimetres is a personal decision that a surgeon should discuss without pressure.
How much can bone be lengthened, and how long does it take?
A single lengthening of one bone is often planned in the range of about 3 to 8 cm; larger amounts are done in selected cases, in two bones or in stages. Bone is lengthened at about 1 mm a day, and consolidation takes longer: a rule of thumb for frames is around a month per centimetre, with nails sometimes quicker. A 5 cm gain therefore takes months before the bone is fully strong. Arms and hands can also be lengthened, with smaller amounts.
Limb lengthening surgery cost in Turkey compared with the UK, US and Germany
The figures are approximate ranges for one limb, not hospital quotes. They depend on method, the amount of lengthening, hospital nights and follow-up.
| Country | Approximate cost range |
|---|---|
| Turkey | €9,000 – €30,000 |
| United Kingdom | €25,000 – €60,000 |
| United States | €45,000 – €140,000 |
| Germany | €25,000 – €70,000 |
Treating both legs, or both bones in a leg, raises the cost. The implant is the main difference between a nail and a frame; a frame is cheaper but needs more visits and supplies. A package normally includes the tests, the operation, the anaesthetist, hospital nights, the implant, early checks and transfers. Ask in writing about physiotherapy, imaging during lengthening and the hardware removal operation.
Limb lengthening surgery recovery: what happens month by month
The first days are in hospital, with first steps and instruction on the lengthening routine. Lengthening takes one to three months, with daily physiotherapy and regular X-rays. Consolidation follows over several months, while loading on the leg is increased. Many people return to desk work within weeks and to full activity after six months to a year. International patients usually stay in Turkey for the operation and two to three weeks of early care, then continue physiotherapy and imaging at home and travel back for planned checks, so ask how many trips to expect.
- Week 1: surgery, hospital, learning to lengthen.
- Weeks 2 to 12: lengthening and physiotherapy.
- Months 3 to 9: consolidation, gradual weight-bearing.
- Around 12 months: hardware removal if planned.
Limb lengthening before and after: what should you expect?
X-rays and standing photographs show added length, level hips and, where relevant, straighter alignment. They do not show the daily lengthening, pin scars or physiotherapy. A realistic result is about the planned length, with a small leftover difference, mild stiffness or a second procedure sometimes needed. Ask the team for X-rays of patients with a similar bone problem and for typical outcomes rather than the most dramatic.
What are the risks of limb lengthening surgery?
It is major surgery. Known risks include infection at the pin sites, stiffness or contracture in the knee, ankle or hip, nerve irritation, delayed or premature bone healing, fracture through the new bone, blood clots and implant problems. Pain and poor sleep are common during lengthening. The NHS and the American Academy of Orthopaedic Surgeons recommend a thorough discussion of risks, a surgeon with regular experience in the technique, and a plan for complications. Smoking, diabetes that is poorly controlled and untreated infection raise the risk.
How to choose a surgeon and hospital, and what to ask
Choose an orthopaedic and traumatology specialist who performs lengthening regularly, in a licensed hospital with imaging, intensive care and physiotherapy. Red flags include promises of exact centimetres, no examination before a quote, pressure to pay a deposit and no follow-up plan. Read how our process works and ask for a written plan through our free quote page. Questions to ask:
- Which bone and method do you propose, and why?
- How many lengthening cases do you do each year?
- What is the realistic gain and the usual time to healing?
- What does the price include, and when is the hardware removed?
- How many days must I stay, and how many return visits are needed?
- Who treats complications at home?
Hospitals with Orthopedics in Turkey
Frequently asked questions
It is an operation that cuts a short bone and lengthens it slowly, about 1 mm a day, with a nail or frame while new bone forms in the gap. It is used for leg length differences, deformities and, less often, height.
For leg length difference and deformity the method is well established, and most patients reach the planned gain. It does not repair damaged joints, and results depend on age, health and the cause of the shortening.
Approximate ranges are €9,000 to €30,000 in Turkey, against about €25,000 to €60,000 in the UK. The implant, method and hospital stay change the price; the hospital confirms it in a written quote.
One bone is often lengthened by about 3 to 8 cm in a single stage. Larger gains may be shared between two bones or staged, but risks of stiffness and nerve problems rise with the amount.
Lengthening takes one to three months and the new bone hardens over several more. Full recovery and return to sport commonly take six months to a year, with physiotherapy throughout.
It uses the same operation, months of recovery and risks as medical lengthening, so it is a considered cosmetic decision. Many surgeons assess carefully and decline some requests. Be wary of quick offers.
X-rays and photographs show added length and level hips, but not the months of lengthening, scars or physiotherapy. Ask to see similar cases and the usual outcomes.
Pain is expected, mainly in the first weeks and around lengthening, and is managed with medication and physiotherapy. Muscle tightness and pin-site soreness can continue throughout the lengthening phase.
Neither is right for everyone. A nail avoids external pins but limits the gain and bone type, while a frame handles larger or angled corrections. The surgeon should explain their choice.
Plan at least one to two weeks for the operation and early care, often longer. Physiotherapy and X-ray checks then continue at home, with return trips if the surgeon requires them.
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