نتایج جستجو برای: radiosurgery
تعداد نتایج: 6073 فیلتر نتایج به سال:
PURPOSE Focal radiosurgery is a common treatment modality for trigeminal neuralgia (TN), a neuropathic facial pain condition. Assessment of treatment effectiveness is primarily clinical, given the paucity of investigational tools to assess trigeminal nerve changes. Since diffusion tensor imaging (DTI) provides information on white matter microstructure, we explored the feasibility of trigeminal...
BACKGROUND Addition of whole-brain irradiation (WBI) to radiosurgery for treatment of few cerebral metastases is controversial. This study aimed to create an instrument that estimates the probability of developing new cerebral metastases after radiosurgery to facilitate the decision regarding additional WBI. METHODS Nine characteristics were investigated for associations with the development ...
BACKGROUND Stereotactic radiosurgery is widely applied to deliver additional dose to head and neck tumors. However, its safety and efficacy remains equivocal. METHODS One hundred eighty-four patients with primary head and neck cancers treated between January 1990 and August 2012 with Gamma Knife stereotactic radiosurgery were retrospectively reviewed. RESULTS Two hundred fifteen sites were ...
Brain metastasis represents one of the most common causes of intracranial tumors in adults, and the incidence of brain metastasis continues to rise due to the increasing survival of cancer patients. Yet, the development of cystic brain metastasis remains a relatively rare occurrence. In this review, we describe the characteristics of cystic brain metastasis and evaluate the combined use of ster...
medicine has come a long way from spark gap generators 1 , electrocautery 2 and electrosurgery 3 . High-frequency radio surgery is one of the most important and Abstract High frequency radiosurgery is one of the most important and versatile tools in dentistry in present age. It can be used in various oral surgical procedures, and also useful in establishing hemostasis. Its main advantage over o...
Radiosurgery is a surgical procedure associated with minimal functional morbidity and allows patients to return rapidly to their previous level of activity. Most tumors regress in volume with extended follow-up, and the rare occurrence of tumor growth after radiosurgery seems to occur early. Similarly, cranial neuropathy or other neurologic symptoms after irradiation occur within the first few ...
A 50-year-old man was treated with stereotactic gamma knife radiosurgery for an incidentally detected small callosal arteriovenous malformation (AVM) with stenosis of the main draining pathway. He suffered two episodes of intraventricular hemorrhage at 4 and 14 weeks after the radiosurgery. Radiological studies demonstrated that the anterior portion of the draining system including a varix, whi...
Radiosurgery is an emerging and interesting treatment option for several types of drug-resistant epilepsies. Particularly, CyberKnife radiosurgery may represent a therapeutic approach for mesial temporal lobe epilepsies, as well as epilepsies due to hypothalamic hamartomas and arteriovenous malformations. There are many reports in the literature, but precise patient selection, dosimetry, target...
PURPOSE To evaluate the efficacy and toxicity of gamma knife radiosurgery in the treatment of melanoma metastases to the brain. PATIENTS AND METHODS We retrospectively reviewed 55 patients with single or multiple intracranial melanoma metastases treated at the University of California, San Francisco, with gamma knife radiosurgery from 1991 through 1995. Sixteen patients were treated with gamm...
The management of cerebral arteriovenous malformations (AVMs) continues to present a challenge to neurosurgeons. The natural history of this condition, as well as the morbidity and mortality of therapeutic interventions, remains incompletely elucidated. Predictive factors and grading scales in AVM management allow risk-benefit analysis of treatment options and comparison of outcomes. Stereotact...
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