Health condition
Köhler disease and the adult navicular
Köhler disease is childhood osteonecrosis of the navicular bone in the foot's arch and heals excellently, but its adult counterpart - Müller-Weiss disease, spontaneous navicular necrosis in middle age - behaves very differently and is a frequently missed cause of chronic midfoot pain.
Why trust this guide
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Editorial team
Written by our editorial team from the UK sources listed on each page.
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Sourced from guidance
Checked against current NHS and UK specialist society guidance at the time of review.
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Current for 2026
Reviewed on 2026-09-27 with the next review scheduled for 2027-09-27.
Key facts
The essentials at a glance.
The symptoms to recognise, when to seek help, which specialist to see, and what treatment usually involves.
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In children (Köhler disease, typically boys aged 4-7): limping and midfoot pain with a dense, flattened navicular on X-ray - a self-limiting condition that resolves with symptomatic care and, sometimes, a short period in a cast
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In adults (Müller-Weiss disease, usually middle-aged women): chronic dorsomedial midfoot pain with a comma-shaped, fragmenting lateral navicular, hindfoot varus and progressive arch collapse
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Weight-bearing X-rays and CT define the adult deformity; the condition is regularly mislabelled as simple midfoot arthritis for years
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Adult treatment starts with rigid orthoses and immobilisation; surgery for progressive or resistant disease is realignment and fusion of the affected joints
Understanding the condition
What it is and what happens next.
What causes it, how it is diagnosed, and the treatment routes available in the UK.
What it is and how it feels
The navicular is the last foot bone to ossify and the keystone of the medial arch, squeezed between talus and cuneiforms - a bone chronically at mechanical risk. In children the ossifying navicular can transiently outstrip its blood supply, producing the alarming-looking but benign Köhler picture; in adults, chronic asymmetric compression of a vulnerable navicular produces Müller-Weiss disease, in which the lateral half of the bone crumbles and the hindfoot drifts into a characteristic paradoxical flatfoot-with-varus-heel.
Diagnosis and treatment routes
The child needs little more than confident diagnosis, symptomatic treatment and reassurance that the bone reconstitutes fully. The adult deserves a foot and ankle specialist: weight-bearing radiographs (the Meary angle and lateral navicular compression tell the story), CT for surgical planning, a genuine trial of rigid custom orthoses with a period of boot immobilisation - which settles a surprising proportion - and, for progressive collapse or unremitting pain, realignment surgery fusing the talonavicular-cuneiform complex with restoration of arch geometry. In much of the UK, a routine NHS referral to the relevant specialist clinic can take several months, whereas an initial appointment with a private consultant is typically available within around two weeks.
Seeing a specialist
Who to see, and how quickly you can be seen.
The specialist for this condition is usually a consultant foot and ankle surgeon. Your GP can refer you on the NHS, or you can arrange a private consultation directly.
A quiet reminder
This guide is for information, not medical advice.
Your GP knows your history and can tell you which parts apply to you. If in doubt, see them - and seek urgent care for any of the emergency symptoms described above.
Frequently asked
Common questions about Köhler disease and the adult navicular.
Quick, plain-English answers to what people ask us most.
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What is Köhler disease?
Köhler disease is a rare condition affecting the navicular bone in the midfoot, most classically seen in children as a temporary loss of blood supply causing pain and altered bone appearance on X-ray. In adults, similar changes to the navicular bone can occur, sometimes linked to overuse or stress-related injury rather than the classic childhood pattern.
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What causes navicular bone problems in adults?
In adults, navicular issues are more often related to stress fractures from repetitive impact, particularly in runners, or osteonecrosis from disrupted blood supply due to injury or other risk factors. This differs somewhat from the self-limiting process typically seen in children.
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What are the symptoms of navicular bone problems in adults?
Symptoms include pain and tenderness over the midfoot, worsened by weight-bearing activity, sometimes with mild swelling. Pain that persists despite rest, or worsens with activity, is a key feature suggesting a stress-related bone problem.
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Is navicular bone disease in adults serious?
If missed or inadequately treated, stress fractures or osteonecrosis of the navicular can progress and become more difficult to heal, sometimes requiring surgery. Early diagnosis with appropriate imaging and rest generally leads to good outcomes.
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Is Köhler disease in adults hereditary?
It is not typically considered a hereditary condition; it's more closely related to mechanical stress, blood supply disruption, or repetitive loading of the foot. Anatomical foot shape, which can be partly inherited, may contribute to individual risk.
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Can navicular bone problems in adults heal without surgery?
Many stress-related navicular issues heal well with a period of rest, immobilisation (sometimes in a cast or boot), and gradual return to activity under specialist guidance. Surgery is reserved for cases that fail to heal with conservative treatment or show significant displacement.
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How is navicular bone disease in adults treated?
Treatment typically starts with rest, offloading the foot with a boot or cast, and imaging to monitor healing. If conservative treatment fails or the fracture is unstable, surgical fixation or bone grafting may be needed.
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How long does it take to recover from navicular bone problems?
Recovery can take anywhere from six weeks to several months depending on severity, with stress fractures often needing prolonged offloading to heal properly given the navicular's relatively poor blood supply. Your specialist will monitor healing with repeat imaging before allowing full return to activity.
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Childhood Köhler disease vs adult navicular problems — what's the difference?
Childhood Köhler disease is generally self-limiting, with the bone typically remodelling and recovering fully as the child grows, needing minimal treatment. Adult navicular problems are more often related to stress fracture or osteonecrosis from repetitive loading, tend not to resolve spontaneously, and often need more active treatment.
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When should I see a specialist about foot pain suggesting navicular disease, and how quickly can I be seen privately?
Persistent midfoot pain that doesn't settle with rest, particularly in runners or athletes, should be assessed by a foot and ankle specialist. Private orthopaedic consultations can typically be arranged within about two weeks, considerably faster than standard NHS waiting times.