Diagnosis

To diagnose your condition, your doctor will review your medical history and symptoms and conduct a physical examination.

Your doctor will also order imaging tests to diagnose your condition and determine its cause. Tests may include:

• Magnetic resonance imaging (MRI). An MRI is often used to diagnose Chiari malformation. An MRI uses powerful radio waves and magnets to create a detailed view of the body.

  This safe, painless test produces detailed 3D images of structural differences in the brain that may be contributing to symptoms. It can also provide images of the cerebellum and determine whether it extends into the spinal canal.

  An MRI can be repeated over time, and it can be used to monitor the progression of the disorder.

• Computerized tomography (CT) scan. Your doctor may recommend other imaging tests such as a CT scan.

  A CT scan uses X-rays to obtain cross-sectional images of the body. This can help to reveal brain tumors, brain damage, bone and blood vessel problems, and other conditions.