Hajdu Cheney Syndrome: Causes, Symptoms, and Treatment
Written by Achuta Uppu, MD. Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Hajdu Cheney Syndrome?
A primary care doctor usually coordinates care. Because the condition affects bones, patients often see an endocrinologist, who treats hormone and bone conditions, and an orthopedic specialist. A geneticist may also be part of the team. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
Hajdu Cheney Syndrome is a very rare genetic condition caused by a change in a gene called NOTCH2, which gives instructions for building bone. People with this condition have bones that break easily, along with certain features in the face, hands, and feet.
Symptoms
Signs vary from person to person and can include the following.
Bones that fracture easily. Loss of bone strength, called osteoporosis. A curved spine, called kyphosis or scoliosis. Short height. Distinctive facial features, such as a lowered bridge of the nose and a shorter face. Changes in the fingers and toes. Some people also have problems with their teeth or hearing.
Causes and who gets it
The condition happens when there is a mutation in the NOTCH2 gene, which helps control how bone is built and broken down. It can be inherited from a parent, or the change can happen for the first time in a child. Because it is so rare, doctors do not know exactly how many people have it.
How doctors diagnose it
Doctors start with a physical exam and a symptom history. X-rays can show bone changes, and a DEXA scan measures bone strength. Genetic testing on a blood or saliva sample can confirm the diagnosis. Because the condition is rare, patients may be sent to a genetics specialist.
Treatment
There is no cure, so treatment focuses on managing symptoms. Doctors often treat the weak bones with medicines used for osteoporosis and may recommend calcium and vitamin D. Broken bones are treated with casting or sometimes surgery. Regular checkups help doctors watch bone strength, hearing, and teeth.
When to see a doctor
Anyone who breaks bones easily should talk to a doctor, as should people with a family history of the condition or who notice bone changes in a child. Sudden back pain, loss of height, or a curved-looking spine also deserve a medical visit.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance for visits. A concierge doctor usually charges more and often works alongside insurance. Either one can manage routine care, including ordering bone density tests, prescribing bone-strengthening medicines, and referring the patient to the right specialist when problems need expert attention.
Common questions
Is Hajdu Cheney Syndrome life threatening?
Most people with this condition live normal lifespans. The main risks come from repeated bone fractures and, in some cases, problems with the spine. Regular medical care helps manage these risks.
Can Hajdu Cheney Syndrome be prevented?
No, it cannot be prevented because it is caused by a gene change. Families with a history of the condition may choose genetic counseling. This is a meeting with a specialist who explains the chances of passing a condition to children.
Will my children inherit it?
If one parent carries the changed NOTCH2 gene, each child has a chance of inheriting it. A genetic counselor can explain the exact chances for a specific family.
Is it the same as regular osteoporosis?
No. Regular osteoporosis usually develops later in life. Hajdu Cheney Syndrome is present from birth and comes with other features, such as changes in the face, fingers, and toes.
Sources
- NIH Genetic and Rare Diseases Information Center - Hajdu-Cheney syndrome
- MedlinePlus Genetics - Hajdu-Cheney syndrome
- MedlinePlus - Osteoporosis
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
