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Corpus callosotomy using conformal stereotactic radiosurgery.

AbstractOBJECTS: To show the clinical results of a corpus callosotomy (CC) treatment using conformal stereotactic radiosurgery (SRS) on a patient with medically intractable multifocal epilepsy. MATERIALS AND METHODS: A 17-year-old male patient underwent corpus callosotomy conformal SRS using a dedicated linear accelerator (linac) with dynamic arcs technique. The prescribed dose was 36.0 Gy at the periphery of the rostrum, genu, and a half of the body of the corpus callosum (CCA). At 8 months after conformal SRS, the patient developed a significant brain edema and moderate transitory motor deficit, which were controlled with steroids. After 32 months follow-up, there is an improvement of 84% on drop attacks and generalized tonic-clonic seizures. CONCLUSIONS: Conformal SRS for corpus callosotomy with a single isocenter reproduce the results reported on literature using Gamma Knife-based SRS. The results show that this technique is safe and demonstrate its efficacy to control seizures.
AuthorsM A Celis, S Moreno-Jiménez, J M Lárraga-Gutiérrez, M A Alonso-Vanegas, O A García-Garduño, I E Martínez-Juárez, M C Fernández-Gónzalez (Affiliation: Unidad de Radioneurocirugía, Instituto Nacional de Neurología y Neurocirugía, Insurgentes sur 3877, La Fama, Tlalpan, 14269, México, D.F., México. macelisl at yahoo.com.mx)
JournalChild's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery (Childs Nerv Syst) Vol. 23 Issue 8 Pg. 917-20 (Aug 2007) ISSN: 0256-7040 Germany
PMID17450365 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Anticonvulsants
Topics
  • Adolescent
  • Anticonvulsants (therapeutic use)
  • Brain Edema (etiology, pathology, therapy)
  • Corpus Callosum (pathology, surgery)
  • Drug Resistance
  • Electroencephalography
  • Epilepsy (surgery)
  • Humans
  • Magnetic Resonance Imaging
  • Male
  • Paresis (etiology)
  • Particle Accelerators
  • Postoperative Complications (pathology, therapy)
  • Radiosurgery
  • Radiotherapy, Conformal
  • Tomography, X-Ray Computed