J Korean Neurosurg Soc.  1987 Jun;16(2):513-522.

A Case of Basilar Impression

Affiliations
  • 1Department of Neurosurgery, Korea University, College of Medicine, Seoul, Korea.

Abstract

A case of basilar impression surgically treated in a female patient aged 22 years is presented. A myriad of abnormal neurologic findings were present that were secondary to compression of neural tissue by anormalous bony structure at craniovertebral junction. Metrizamide computerized tomography with coronal and sagittal reconstruction identified bony abnomalities and displacement of the surrounding neural structures. The surgical intervention for the treatment of the basilar impression consisted of ventral decompression by transoral odontoidectomy and of dorsal decompression by an enlargement of foramen magnum and by laminectomy of C1, followed by occipito-atlanto-axial bony fusion.

Keyword

Basilar impression; Cranio-vertebral junction; Metrizamide; Transoral odontoidectomy; Dorsal decompression; Bony fusion

MeSH Terms

Decompression
Female
Foramen Magnum
Humans
Laminectomy
Metrizamide
Neurologic Manifestations
Platybasia*
Metrizamide
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