Presentation
Out patient with chief compliant of posterior cervical pain.
Patient Data
Age: 80 years
Gender: Male
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Basilar invagination, the tip of odontoid is higher than McRae's line and the distance between the tip of odontoid and the other two lines (Chamberlain's line and McGregor's line) is higher than normal. All findings are suggestive of basilar invagination.
Case Discussion
Basilar invagination in outpatient because of osteoporosis.