Abstract
Brainstem cavernous malformations (CMs) often have high hemorrhage rates and significant posthemorrhage morbidity. The authors present two cases in which magnetic resonance thermography-guided laser interstitial therapy was used for treatment of pontine CMs after recurrent hemorrhage. Both patients showed significant symptomatic improvement and were hemorrhage-free at 12- and 6-month follow-up, respectively. Each had radiographic evidence of lesion involution on serial follow-up imaging. These early results demonstrate this treatment modality may be technically safe; however, larger case numbers and longer follow-up are needed to demonstrate efficacy.
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The authors thank Kristin Kraus, MSc, for her assistance with preparation of this paper. We thank Kenneth Shunn from the Medtronic for the help in downloading the isotherm and LITT damage maps.
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This article is part of the Topical Collection on Vascular Neurosurgery - Arteriovenous malformation
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Gamboa, N.T., Karsy, M., Iyer, R.R. et al. Stereotactic laser interstitial thermal therapy for brainstem cavernous malformations: two preliminary cases. Acta Neurochir 162, 1771–1775 (2020). https://doi.org/10.1007/s00701-020-04316-7
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DOI: https://doi.org/10.1007/s00701-020-04316-7