Arnold Chiari Malformation is a condition in which the unusually small size of the skull causes the brain tissue to spill over into the spinal canal. This mostly happens due to the unusually small size or abnormal shape of the skull. Most of the cases of Chiari malformation are present at the time of the birth. Many people with Chiari malformation may not have any symptoms and therefore may not require any kind of treatment. The diagnosis of the disease in such patients is also by chance scanning of the body due to some other problem.

Even though the disease might be present since birth but the symptoms may appear quite late in childhood or early adulthood. Patients of Chiari malformation may report symptoms like neck pain, body imbalance, poor hand co-ordination, numbness and tingling in hands and feet, dizziness, difficulty in swallowing, speech problems etc. With advances in ultrasound technology most of the cases of Chiari malformation can be diagnosed in the foetus if the pregnant mother undergoes a Level 2 Ultrasound to detect congenital anomalies.


What causes this kind of congenital anomaly is not known but there is some evidence that it runs into families. Chiari malformation can result in some complications like:

Hydrocephalus - Collection of excess CSF fluid in the brain.

Spina Bifida - A condition in which the spinal cord is not fully developed.


Chiari malformation is diagnosed by a neurosurgeon upon thorough physical examination followed by an MRI Scan of the Brain and Spine. In the absence of MRI, the disease can be diagnosed on a CT Scan also.


If there are no symptoms then no treatment might be required except regular monitoring. In most of the cases, posterior fossa decompression surgery is done to relieve the pressure on the brain and the spinal canal.


Max Hospitals at New Delhi and Gurgaon have the most advanced cutting edge technology when it comes to Surgery for treating Chiari Malformation. The operation theatres are equipped with very high precision Operating Microscopes from Karl Storz, Germany. The technology deployed at Max Hospital in the field of Neurosurgery makes us the premier centre in the world. India offers huge advantages in terms of cost of treatment, cost of hotels, food and travel.

Posterior Fossa Decompression Surgery in India will cost in the range of USD 6000 - 9000 depending upon the type and grade of Chiari Malformation. The hospital stay would be 4-5 days and stay in India would be approximately 2 weeks. Our patient care executives take complete care of all your needs while you are in India. International patients who plan to come to India for this treatment may find useful information by clicking on the page of services provided to the International Patients. Click Here

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