Anterior commissure: anatomic-MR correlation and use as a landmark in three orthogonal planes.
- 1 February 1986
- journal article
- research article
- Published by Radiological Society of North America (RSNA) in Radiology
- Vol. 158 (2), 421-429
- https://doi.org/10.1148/radiology.158.2.3941867
Abstract
Correlation of cryomicrotomic and myelin-stained sections of human cadaver heads with spin-echo magnetic resonance (MR) images documents that MR imaging routinely displays the anterior commissure in three orthogonal planes as a distinct white-matter tract that resembles bicycle handlebars. The anterior commissure crosses the midline at the upper end of the lamina terminalis, just anterior to the anterior columns of the fornices. To each side of midline, it curves antero-inferolaterally and then postero-inferolaterally through the lateral nucleus of the globus pallidus to course with the white matter of the external and extreme capsules toward the middle and inferior temporal gyri. Because the anterior commissure is easily recognizable in all three planes at differing pulse sequences, the commissure has proved to be a major landmark for identification of the complex anatomy of this region, especially in sagittal sections.This publication has 4 references indexed in Scilit:
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