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The Powers Ratio in Evaluating Patients with Down Syndrome for Occipitoatlantal Hypermobility

Specialty:

Orthopedic Surgery, Sports Medicine & Rehabilitation

Objective:

ICD-10:

Description:

Patients with Down's Syndrome may develop laxity in the ligaments, which can result in posterior occipitoatlantal hypermobility (POAH). The Powers ratio calculated from a lateral X-ray of the cervical spine can help identify patients at risk.

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