Gamma Knife: Brain Surgery without a Knife

About the Video: Gamma Knife radiosurgery is recognized world-wide as the prefer...

About the Video: Gamma Knife radiosurgery is recognized world-wide as the prefer...

About the Video: Many people suffer from nerve disorders that cause them pain or...

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Read more: space.newscientist.com A simulation shows what the ever-changing gamm...

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Author: K Ott

Abstract: The hospital charges for all craniotomies and transsphenoidal procedures were gathered for a 4-year period from a single, non-profit hospital serving San Diego. Calif., USA. Of the individuals in this community 65% are covered by a variety of managed...

Author: Denis Porcheron

Abstract: OBJECTIVE: The world's first Leksell Gamma Knife PerfeXion (Elekta Instrument AB, Stockholm, Sweden) for radiosurgery of the head and neck became operational at Timone University Hospital in Marseille on July 10, 2006. To allow strict evaluation of t...

Author: Dong-Seok Kim

Abstract: Object The object of this study was to compare the recurrence rates of cystic craniopharyngiomas after neuroendoscopic cyst fenestration combined with Gamma Knife surgery (GKS) and after subtotal resection (STR) combined with GKS. Methods The records...

Author: Kiyotaka Fujii

Abstract: Here, we describe the first reported autopsy findings following gamma knife surgery for thalamic pain. A 62-year-old man presented with thalamic pain after treatment for thalamic malignant lymphoma. He was treated with narcotic drugs, but his pain wa...

Author: H Kishi

Abstract: Forty-one patients with a total of 193 metastatic brain tumors were treated because of new lesions or in a few cases because of tumor regrowth. The management involved two to four treatments with Gamma Knife radiosurgery (GKRS). The overall median su...

Author: S Mani

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Author: Mahlon R DeLong

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Author: R Sawaya

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Author: D Doughty

Abstract: Several review articles have compared gamma unit versus linear accelerator (linac)-based radiosurgery systems, concluding that the dose gradient 'fall-off' at the margin of the target (expressed as the distance between isodoses) is very similar for b...

Author: K Eksktrand

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Author: Branch CL Jr, Coric D, Olds W, Eksktrand K.

Abstract: Stereotactic radiosurgery. A review of "gamma knife" and "linac knife" technology and the unit at the Wake Forest University Medical Center.
Branch CL Jr, Coric D, Olds W, Eksktrand K.
Department of Neurosurgery, Bowman Gray School of Medicine, Wak...

Author: P S Nizin

Abstract: Using separate analytical functions describing primary dose, P0(dm,r), collimator scatter, Sc(r), and phantom scatter, TAR(d,r), an expression for absorbed dose in narrow 60Co gamma-ray beams is developed and each function is quantified: D(d,r) = P0(...

Author: J C Peragut

Abstract: To allow the experimental use in rats of a Gamma Knife Radiosurgical Unit, a stereotactic device adapted from the conventional Kopf's device was developed. To control the accuracy of the coordinate system based on the De Groot's rat stereotactic atla...

Author: Mamoon, A.
Radiat. Protection Dept., Egyptian Atomic Energy Authority, Egypt...

Abstract: Abstract
The gamma camera is a system composed mainly of a scintillation crystal and its associated electronics. It is intended to compose an image, from gamma rays emitted from an organ inside the body that had accumulated a specific compound label...

Author:

Abstract: The concept of radiosurgery and its requirements are presented. Dedicated radiosurgical tools include the modified linear accelerators working with a single rotating beam and the Gamma Knife with multiple stationary radiation sources. The 201 gamma b...

Author: A Terahara

Abstract: The term "radiosurgery" was defined by Lars Leksell, a Swedish neurosurgeon, as the closed-skull destruction of a precisely defined intracranial target using high-dose radiation with stereotactic technique in a single session. For this purpose, the G...

Author: L Steiner

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Author: R N Kjellberg

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Author: W R Hudgins

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