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BACKGROUND We aimed to examine whether stereotactic radiosurgery without whole-brain radiotherapy (WBRT) as the initial treatment for patients with five to ten brain metastases is non-inferior to that for patients with two to four brain metastases in terms of overall survival. METHODS This prospective observational study enrolled patients with one to ten(More)
BACKGROUND The most common regimen of stereotactic body radiotherapy (SBRT) for stage I nonsmall cell lung cancer in Japan is 48 grays (Gy) in 4 fractions over 4 days. Radiobiologically, however, higher doses are necessary to control larger tumors, and interfraction intervals should be >24 hours to take advantage of reoxygenation. In this study, the authors(More)
OBJECT The authors conducted a study to determine the long-term results of gamma knife surgery for residual or recurrent growth hormine (GH)-producing pituitary adenomas and to compare the results with those after treatment of other pituitary adenomas. METHODS The series consisted of 67 patients. The mean tumor diameter was 19.2 mm and volume was 5.4 cm3.(More)
OBJECT Gamma knife surgery (GKS) has been a safe and effective treatment for vestibular schwannomas in both the short and long term, although less is known about long-term outcomes in the past 10 years. The aim of this study was to clarify long-term outcomes in patients with vestibular schwannomas treated using GKS based on techniques in place in the early(More)
Intracranial arteriovenous malformation (AVM) is a rare cause of trigeminal neuralgia (TGN). In this presented case, successful resolution of AVM-related TGN following embolization and gamma knife stereotactic radiosurgery (GKRS) was obtained. A patient suffered from TGN on the left side, which was thought to be caused by root entry zone compression by(More)
OBJECT Metastases to the pituitary gland and cavernous sinus occasionally occur. Metastases of this nature are problematic because they are adjacent to eloquent structures such as cranial nerves, including the optic pathways and nerves for extraocular movement and facial sensation. Stereotactic radiosurgery has been reported to be safe and effective for(More)
To reveal the potential use of lactosylated-dendrimer (G3) conjugates with α-cyclodextrin (Lac-α-CDE (G3)) as novel hepatocyte-specific siRNA carriers in order to treat transthyretin (TTR)-related familial amyloidotic polyneuropathy (FAP), we evaluated the RNAi effect of siRNA complexes with Lac-α-CDE (G3) both in vitro and in vivo. Herein, we targeted TTR(More)
OBJECT The authors analyzed the long-term outcomes of gamma knife surgery (GKS) for residual or recurrent craniopharyngiomas after microsurgery and the effects of dose reduction. METHODS A total of 107 patients with craniopharyngiomas were treated with GKS at Komaki City Hospital during the past 12 years, and 98 patients were followed up for 6 to 148(More)
OBJECT The authors sought to analyze the long-term outcome of patients with Cushing disease who underwent gamma knife radiosurgery (GKS) as either an adjuvant or primary treatment. METHODS Twenty-five patients with Cushing disease were treated by OKS and followed for more than 2.5 years (mean 5.3 years). The overall results showed a complete response rate(More)
PURPOSE The purpose of this study was to evaluate the accuracy of a new version of the ExacTrac X-ray (ETX) system with statistical analysis retrospectively in order to determine the tolerance of systematic components of spatial uncertainties with the Novalis system. METHODS AND MATERIALS Three factors of geometrical accuracy related to the ETX system(More)