We report a rare case of trigeminal neuralgia. A 23-year-old woman with a history of 1 year of typical trigeminal neuralgia manifested the characteristics of basilar impression. Magnetic resonance imaging (MRI) demonstrated basilar impression, deformity of the posterior fossa with asymmetry of petrous bone, and compression of medulla oblongata in the topography of the odontoid apophysis. The operation was performed through a suboccipital craniectomy. The neuralgia disappeared after surgery and remains completely resolved until today. This is the second reported case of trigeminal neuralgia in a patient with basilar impression in Brazil.
Introduction: Down syndrome is caused by trisomy of chromosome 21, and it is the most common chromosomal abnormality in humans. This genetic condition is characterized by multiple skeletal abnormalities, including atlantoaxial instability that occurs in 9-31% of patients presenting clinical consequences in 1-3% of them. This study aims to report a case of atlantoaxial instability with clinical repercussions of quadriparesia. Case Report: A case of a 10-year-old boy, with Down syndrome, who could notget up for three months is reported. Clinical examination revealed quadriparesis. The lateral radiograph of the cervical spine showed a atlanto-odontoid distance of 6mm, confirming atlantoaxial instability.
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