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Deep Cerebral Cavernous Malformation

Last Updated: April 25, 2020

Caudate Cavernous Malformation

Microsurgery of deep cerebral cavernous malformations (CMs) offers unique challenges because of the eloquence of the overlying/bordering neural substance and restrictions of the narrow operative corridors. Despite these constraints, limited operative routes via the use of dynamic retraction provide the little space necessary to deal with deep CMs that are minimally hypervascular and technically easy to dissect.

Deep lesions located in the basal ganglia, thalamus, periventricular area, and ventricular system as well as the eloquent cortices and white matter tracts can be a significant source of morbidity for susceptible neural structures. The occurrence of CMs is equivalent to the distribution of neural tissue, with approximately 7% to 15% occurring within the deep structures, including the thalamus and basal ganglia.

Clinical Manifestation