Surgical Anatomy of Supratentorial Midline Lesions

FIG. 8. Drawings showing that approximately 85 to 90% of insular
arteries were short and supplied the insular cortex (i) and extreme
capsule; 10% were medium sized and supplied, in addition,
the claustrum and external capsule; and the remainder 3 to 5%
were long and extended as far as the corona radiata (cr). a = amygdala;
gp = globus pallidus; p = putamen. See previous figure legends
for additional abbreviations.
done so for the purpose of incorporating, coordinating,
and combining this knowledge into the surgical planning
process and the surgical procedure to remove a pathological
lesion.
Acknowledgments
The authors thank Ching Hearnsberger, R.N., for helping prepare
the manuscript and to Ron M. Tribell for his original artistic work.
U. Türe, et al.
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FIG. 9. Left: Coronal T 1-weighted MR image revealing a heterogeneous lesion (AVM) in the striate region.
Right: Anteroposterior projection of a right ICA angiogram demonstrating a striate AVM. Note the feeding vessels of the
AVM originating from the insular arteries, which arise from the M 2 segment and the LLAs.
686 J. Neurosurg. / Volume 92 / April, 2000