About a very rare variation of the course and width of the vertebral arteries and the hypoglossal nerve.

Lang, J · Acta Neurochir (Wien) · 1990

case_report · Level V

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Abstract

Described are: 1. A very thin intracisternal part of the vertebral artery (0.9 mm). 2. A very rare course of the vertebral artery (dorsal to the hypoglossal nerve). 3. Rare anastomoses between the vertebral artery and the PICA. 4. A rare upwards coiling of the PICA and 5. The origin and prevertebral course of the vertebral arteries.

Medical subject headings