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Illustration of occipital region and upper cervical vertebrae viewed from behind showing course of greater occipital nerve (G) with possible sites of compression:

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Presentation on theme: "Illustration of occipital region and upper cervical vertebrae viewed from behind showing course of greater occipital nerve (G) with possible sites of compression:"— Presentation transcript:

1 Illustration of occipital region and upper cervical vertebrae viewed from behind showing course of greater occipital nerve (G) with possible sites of compression: F, due to atlantoaxial joint disease; M, as it penetrates tendinous portion of the trapezius m... Illustration of occipital region and upper cervical vertebrae viewed from behind showing course of greater occipital nerve (G) with possible sites of compression: F, due to atlantoaxial joint disease; M, as it penetrates tendinous portion of the trapezius muscles (Z); T, as occipital nerve pierces posterior atlantoaxial membrane (depicted in light semitransparent blue); and between posterior arches of C1 and C2 vertebrae. Note connections between greater occipital nerve (G) and C1 (i) and C3 (ii) nerves. O, occipital bone. Vibhu Kapoor et al. AJNR Am J Neuroradiol 2003;24: ©2003 by American Society of Neuroradiology

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