Experts around the world – including NJ, NYC and the rest of the Tristate area – are choosing the Leksell Gamma Knife Icon system to treat. OBJECTIVE: The objective of this study is to introduce a new radiosurgical device , the Leksell Gamma Knife Perfexion (Elekta Instruments AB, Stockholm. A new model of Leksell Gamma Knife® (LGK), known as Perfexion™ (LGK PFX), was introduced by Elekta Instrument, AB, Sweden, in This model has a.

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Design and performance characteristics are compared with previous models of the gamma knife in a clinical setting.

Performance-related features in the design of the new radiosurgical system are described, and the ability to create complex shapes of isodose volumes even with a single isocenter is demonstrated. Dose plans for the Leksell Gamma Knife Models B, 4C, and Perfexion have been created for target pathologies to illustrate gamma the software and hardware of the new radiosurgical system can increase treatment quality, decrease treatment time, and increase patient comfort.


Radiation doses to critical organs in the rest of the human body are compared.

Leksell Gamma Knife® Perfexion™

The automated collimator arrangement in the Perfexion makes it possible to produce more complex treatment volumes than with previous models of the gamma knife. This results from the enhanced ability to shape isodose volumes, even for single isocenters.

The collimator arrangement and the patient positioning system also allow shorter patient transit times, reducing unwanted radiation exposure during movement between isocenters. The ,nife exceeds the capabilities of previous gamma knife models in terms of treatment efficiency, conformity, and radiation protection.

These qualities enable treatment of larger target volumes, especially close to eloquent areas. Pathologies previously inaccessible in the head and neck are now treatable due to the increased volume of the radiation cavity.

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Gamma knifePerfexionRadiosurgeryRadiotherapyStereotactic. You do not currently have access to this article. You could not be leksel in. Sign In Forgot password? Don’t have an account? Congress of Neurological Surgeons members Sign in via society site. Sign in via your Institution Sign in.

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First year experience with newly developed Leksell Gamma Knife® Perfexion™

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