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JOURNAL ARTICLE

Keyhole, Trans-Sylvian, Trans-Sulcal Resection of an Insular Cerebral Cavernous Malformation: 2-Dimensional Operative Video

Pedro Norat, Kaan Yagmurlu, Min S Park, M Yashar S Kalani
Operative Neurosurgery (Hagerstown, Md.) 2018 November 28
30496497
Microsurgical resection of deep-seated cerebral cavernous malformations may result in a high rate of temporary and a lower, but nonetheless significant, rate of permanent disability. Use of trans-sulcal corridors may allow the surgeon to gain access to select deep-seated lesions without injury. Informed consent was obtained from this patient for a minimally invasive trans-sulcal approach to the malformation. This video illustrates the use of a trans-Sylvian, trans-sulcal approach to resect a deep insular/basal ganglia cavernous malformation in a young patient. The use of the neuronavigation is essential for success in these types of operation as this tool limits the surgeon's footprint in eloquent brain. Unlike superficial lesions where the removal of hemosiderin stained brain is possible and often safe, resection of deep-seated lesions requires the surgeon to distinguish between hemosiderin-stained brain and residual cavernous malformation. This task is not simple, and residual cavernous malformation is the most common reason for re-bleed in patients who have undergone surgery. Resection of symptomatic cavernous malformations in deep locations can be performed safely, but outcomes are heavily influenced by proper patient selection and surgeon experience. In patients with multiple cerebral cavernous malformations, such as the one in this case, genetic testing should be performed.

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