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Living with Dysplasia of head of femur, Meyer type

A mild bone condition in which the top of the thighbone (femoral head) hardens late and unevenly in babies and young children.

Understanding Dysplasia of head of femur, Meyer type

Dysplasia of head of femur, Meyer type, is a mild bone condition that affects how the rounded top of the thighbone hardens.

The top of the thighbone (femoral head) hardens (ossifies) later than usual and in an irregular way. This is a mild, localized form of skeletal dysplasia, meaning it affects only one area. It is noticed in the newborn and infant years.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Late hardening of the top of the thighbone
  • Irregular hardening in several spots on the femoral head
  • Delayed bone maturation

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include bone and joint specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
How is my child's hip monitored over time?
Could this affect walking or activity?
Is treatment needed, or does it often improve on its own?

Quick facts

Symptoms usually startNewborn and as an Infant

GARD doesn't describe a cause for this condition yet.

Also known as: dysplasia epiphysealis capitis femoris; dysplasia of head of femur meyer type; meyer dysplasia; meyer dysplasia of femoral head

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Dysplasia of head of femur, Meyer typeGARD ID 20098 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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