Publications by authors named "R Spiegelmann"
Stereotactic radiosurgery is a disruptive therapeutic technique that has transformed neurosurgery and the treatment of intracranial tumors in the last few decades. Achieving tumor control rates over 90%, it is performed mostly in a single session, as an outpatient procedure involving no skin cuts, head shaving, or anesthesia, Radiosurgery stands out as a treatment modality with few and mostly transient side effects. Even though ionizing radiation (the energy used in radiosurgery) is known to be cancerogenic, radiosurgery-induced tumors have been exceedingly rare.
View Article and Find Full Text PDFSurgical targeting of the ventral intermediate nucleus of the thalamus (VIM) has been historically done using indirect strategies. Here we depict the cerebello-thalamo-cortical tract (CTCT) through 3 T proton density (PD) in a cohort of patients who underwent high-intensity focus ultrasound (HIFUS) thalamotomy. Forty-seven patients treated in our institution with MR-guided HIFUS VIM thalamotomy were included in this study.
View Article and Find Full Text PDFBackground: Most anterior visual pathway meningiomas (AVPM) are benign and slow-growing, but these tumors may affect visual functions, including visual acuity (VA) and visual field (VF). Due to location, most are treated non-surgically by fractionated stereotactic radiotherapy (FSRT), aiming to prevent tumor progression and visual functions deterioration. Unfortunately, FSRT in itself may affect visual functions.
View Article and Find Full Text PDFArticle Synopsis
- A study evaluated the safety and accuracy of frameless versus frame-based stereotactic brain biopsy techniques in 278 patients with brain lesions.
- Both techniques showed a similar high diagnostic yield (over 90%) and comparable rates of complications, including morbidity and bleeding.
- The only factor that significantly affected the diagnostic yield was the size of the lesion, with larger lesions providing better diagnostic results than smaller ones.
Background: To determine the utility of an intraoperative magnetic resonance imaging (iMRI) system, the Polestar N30, for enhancing the resection control of non-enhancing intra-axial brain lesions.
Materials And Methods: Seventy-three patients (60 males [83.3%], mean age 37 years) with intra-axial brain lesions underwent resection at Sheba Medical Centre using the Polestar between February 2012 and the end of August 2018.