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A single-session stereotactic radiosurgery for vagal paraganglioma: Effective tumor reduction and innovative treatment option.
Surg Neurol Int
August 2024
Department of Neurosurgery, The University of Tokyo, Bunkyo-ku, Japan.
Background: Vagal paragangliomas (VPs) are rare tumors in the upper cervical region. Although surgical resection is the standard treatment for these tumors, it carries significant risks due to the tumor's high vascularity and proximity to vital structures. Stereotactic radiosurgery (SRS) for skull base paraganglioma could be a minimally invasive alternative.
View Article and Find Full Text PDFRole of stereotactic radiosurgery for recurrent skull base acinic cell carcinoma: illustrative case.
J Neurosurg Case Lessons
March 2024
Departments of1Neurosurgery.
Background: Acinic cell carcinomas (AcCCs), rare malignancies of the salivary glands, often recur and metastasize, particularly in the skull base. Conventional radical resection can be invasive for skull base AcCCs adjacent to cranial nerves and major vasculature, and the effectiveness of stereotactic radiosurgery (SRS) as an alternative is not well established.
Observations: This case report details the application of SRS for recurrent skull base AcCCs.
A generalized fit index for evaluating treatment plans of multiple target volumes with different prescribed dose: Generalized dose distribution fit index.
Med Dosim
May 2024
Department of Radiation Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 10021, China. Electronic address:
Background And Purpose: The differential fit index (dFI) and cumulative fit index (cFI) were defined in our previous study to evaluate the fit of isodose surfaces to the target volume. They were only applicable to plans for a single target volume. Therefore, this study aimed to generalize these indices for evaluating plans for multiple target volumes and different prescribed doses.
View Article and Find Full Text PDFContouring variation affects estimates of normal tissue complication probability for breast fibrosis after radiotherapy.
Breast
December 2023
Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Christie NHS Foundation Trust Hospital, Manchester, United Kingdom. Electronic address:
Background: Normal tissue complication probability (NTCP) models can be useful to estimate the risk of fibrosis after breast-conserving surgery (BCS) and radiotherapy (RT) to the breast. However, they are subject to uncertainties. We present the impact of contouring variation on the prediction of fibrosis.
View Article and Find Full Text PDFManagement of a dural arteriovenous fistula versus arteriovenous malformation of the internal auditory canal with radiosurgery.
Clin Neurol Neurosurg
August 2023
University of Miami, Department of Neurological Surgery, Miami, FL, USA. Electronic address:
We present a case of a 61-year-old male who presented with an 8-month history of left hypacusis, tinnitus, and gait imbalance. MRI showed a vascular lesion in the left internal auditory canal (IAC). Angiogram showed a vascular lesion filling from the ascending pharyngeal and anterior inferior cerebellar artery (AICA) with drainage into the sigmoid sinus suggestive of either a dural arteriovenous malformation (dAVF) vs arteriovenous malformation (AVM) of the IAC.
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