نتایج جستجو برای: stereotactic

تعداد نتایج: 11615  

2016
Charles A. Kunos

Citation: Kunos CA (2016) Commentary: Phase I Trial of Carboplatin and Gemcitabine Chemotherapy and Stereotactic Ablative Radiosurgery for the Palliative Treatment of Persistent or Recurrent Gynecologic Cancer. Front. Oncol. 6:263. doi: 10.3389/fonc.2016.00263 Commentary: Phase I trial of Carboplatin and Gemcitabine Chemotherapy and Stereotactic ablative radiosurgery for the Palliative treatmen...

Journal: :Japanese journal of clinical oncology 2015
Kinji Nishiyama Ken Kodama Teruki Teshima Hirohito Tada

OBJECTIVE A second lung cancer is occasionally observed in patients who underwent surgical resection of the index lung cancer. The purpose of this study is to evaluate stereotactic body radiation therapy for second lung cancer. METHODS Fifty-one medically inoperable patients who underwent stereotactic body radiation therapy for second lung cancer were the subjects: 31 cases of multiple primar...

Journal: :iranian journal of medical physics 0
tayeb allahverdi pourfallah biochemistry and biophysics dept., faculty of medicine, mazandaran university of medical sciences, sari, iran

introduction polymer gel dosimeters offer a practical solution to 3d dose verification for conventional radiotherapy as well as intensity-modulated and stereotactic radiotherapy. in this study, egsnrc calculated and pagat polymer gel dosimeter measured dose profiles from single shot irradiation with 18 mm collimator of gamma knife in homogeneous and inhomogeneous phantoms were compared with eac...

Journal: :Journal of neurological surgery. Part A, Central European neurosurgery 2014
Ahmed Abdel Sallam Shakal Esam Abdel Hay Mokbel

BACKGROUND With the introduction of stereotactic surgery in humans by Spiegel and Wycis in 1947 and the great advances in neuroimaging, image-guided stereotactic brain biopsy is the mainstay for diagnosis of intrinsic deep-seated brain lesions. Stereotactic biopsy is usually safe, and the reported rate of complications is minimal, with mortality being reported in less than 1% and significant mo...

2013
Sohrab Shahzadi Parisa Azimi Khosrow Parsa

BACKGROUND Treatment of low-grade astrocytoma (WHO grade II) (LGA II) remains a challenge. There is limited information regarding the long-term effects of stereotactic brachytherapy (SBT) (temporary (125)Iodine seeds) on patients with LGA II. OBJECTIVES The purpose of this study was to evaluate disease control and survival after stereotactic brachytherapy in patients with circumscribed and re...

Journal: :Mathematics 2021

Brain metastases (BMs) are cancer cells that spread to the brain from primary tumors in other organs. Up 35% of adult patients develop BMs. The treatment BM who have well-controlled extracranial disease and a small number lesions consists localized doses radiation (stereotactic radio surgery (SRS)). Estimating prognosis among may allow treatments be chosen balance durability intracranial tumor ...

Journal: :Türkiye Klinikleri Journal of Case Reports 2022

Trigeminal schwannoma is a neurogenic tumor of the fifth cranial nerve. Despite advances in surgical practice, stereotactic radiosurgery an alternative treatment management these patients due to problems such as nerve injuries and accessibility The patient was admitted our hospital with complaints headache tingling left face for last few months. discussed neurooncology council intervention not ...

A.R. Khoshbin Khoshnazar, M.T. Bahreyni Toossi,

Background: Radiosurgery is a focal brain irradiation technique that delivers, usually in a single session, high dose of ionizing radiation. The presence of lateral electronic disequilibrium and steep dose gradients in small fields demands special attention to the selection of a suitable detector with respect to its size, composition and response. Materials and Methods : Small circular fields w...

Journal: :AJNR. American journal of neuroradiology 1997
P C Milette

1. Levin DN, Hu X, Tan KT, et al. The brain: integrated three-dimensional display of MR and PET images. Radiology 1989;172:783– 789 2. Pelizzari CA, Chen GTY, Spelbring DR, et al. Accurate threedimensional registration of CT, PET, and/or MR images of the brain. J Comput Assist Tomogr 1989;13:20–26 3. Peters TM, Clark JA, Olivier A, et al. Integrated stereotaxic imaging with CT, MR imaging, and ...

Journal: :Journal of Cancer Prevention & Current Research 2015

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