Atlanto-occipital dislocation

Atlanto-occipital dislocation (AOD) is a highly severe and often fatal injury that occurs when the skull and cervical spine are separated. This condition is also known as internal decapitation.

Causes

AOD is most commonly caused by high-impact trauma, such as car accidents, falls from great heights, or severe blows to the head.

Symptoms

The symptoms of AOD can vary greatly depending on the severity of the injury. They may include severe headache, neck pain, difficulty breathing, and paralysis. In some cases, the injury may be fatal before symptoms can even appear.

Diagnosis

Diagnosis of AOD is typically made through imaging tests such as X-ray, CT scan, or MRI. These tests can show the separation between the skull and the cervical spine.

Treatment

Treatment for AOD is typically surgical, with the goal of reattaching the skull to the spine. This is often done through a procedure known as occipitocervical fusion. In some cases, additional treatments such as physical therapy or occupational therapy may be needed to help the patient regain function.

Prognosis

The prognosis for AOD is generally poor, with many patients dying before they can even reach the hospital. However, with prompt treatment, some patients may be able to survive and even regain some function.

See also

• Spinal cord injury
• Traumatic brain injury
• Neck injury

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