{"id":34837,"date":"2024-10-23T10:05:02","date_gmt":"2024-10-23T15:05:02","guid":{"rendered":"https:\/\/www.accuray.com\/?post_type=studies&#038;p=34837"},"modified":"2025-11-24T16:42:40","modified_gmt":"2025-11-24T21:42:40","slug":"cyberknife-experience-recurrent-prostate-cancer","status":"publish","type":"studies","link":"https:\/\/www.accuray.com\/ja\/case-studies\/cyberknife-experience-recurrent-prostate-cancer\/","title":{"rendered":"CyberKnife\u00ae System Experience: Recurrent Prostate Cancer"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"34837\" class=\"elementor elementor-34837\" data-elementor-post-type=\"studies\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-078482e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"078482e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c7d50ae\" data-id=\"c7d50ae\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8674ee8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8674ee8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-5389cc2\" data-id=\"5389cc2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68f06f7 elementor-widget elementor-widget-text-editor\" data-id=\"68f06f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.accuray.com\/case-studies\/\">&lt; View All Case Studies<\/a>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-648fe2b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"648fe2b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0b97340\" data-id=\"0b97340\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b0612bb elementor-widget elementor-widget-text-editor\" data-id=\"b0612bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tCase Study | CYBERKNIFE\u00ae TREATMENT DELIVERY SYSTEM\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-462b8bf elementor-widget elementor-widget-heading\" data-id=\"462b8bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">CyberKnife\u00ae System Experience: <br>Recurrent Prostate Cancer<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4a30f57\" data-id=\"4a30f57\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5021e6b elementor-align-right animated-slow elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"5021e6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;,&quot;_animation_delay&quot;:2000}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/www.accuray.com\/wp-content\/uploads\/CyberKnife-Experience_-Inoperable-Lung-Cancer.pdf\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Download Case Study<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-32cf03df elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"32cf03df\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-783234c9\" data-id=\"783234c9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f0e6dda elementor-reverse-mobile_extra elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f0e6dda\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-7007d78\" data-id=\"7007d78\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-01b9470 elementor-widget elementor-widget-heading\" data-id=\"01b9470\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">WHAT IS THE CYBERKNIFE SYSTEM:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-751fee8 elementor-widget elementor-widget-text-editor\" data-id=\"751fee8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The <a href=\"https:\/\/www.accuray.com\/cyberknife\/\" target=\"_blank\" rel=\"noopener\">CyberKnife System<\/a> is a non-invasive treatment for cancerous and non-cancerous tumors and other conditions where radiation therapy is indicated. It is used to treat conditions throughout the body, including the prostate, lung, brain, spine, head and neck, liver, pancreas, and kidney, and can be an alternative to surgery or for patients who have inoperable or surgically complex tumors. CyberKnife treatments are typically performed in 1 to 5 sessions. The CyberKnife System has more than two decades of clinical proof and has helped thousands of cancer patients.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1955db2 elementor-widget elementor-widget-heading\" data-id=\"1955db2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">WHY WE CHOSE TO TREAT WITH\nTHE CYBERKNIFE SYSTEM:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfe9ee3 elementor-widget elementor-widget-text-editor\" data-id=\"dfe9ee3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"margin:0px; padding:5px;\">Epic Care is a multi-specialty practice with five community cancer centers each with its own linac. We have 17 Medical Oncologists and 5 Radiation Oncologists. We needed our ablative platform to have the following features:\n\n<ul>\n \t<li>\nAble to treat the entire body\n<\/li>\n \t<li>\nMinimize clinical overlap and cannibalization of our existing linacs\n<\/li>\n \t<li>\nHave marketing cachet and bring in self-referred patients\n<\/li>\n \t<li>\nTechnology with regional market distinction\n<\/li>\n \t<li>\nWas not just a linac with added SRS capability\n<\/li>\n<\/ul><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23082bb elementor-widget elementor-widget-heading\" data-id=\"23082bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">THIS CASE STUDY DEMONSTRATES THE VERSATILITY OF THE CYBERKNIFE\u00ae TREATMENT DELIVERY SYSTEM ENABLING TREATMENT TO BE DELIVERED TO COMPLEX AND\nCHALLENGING CASES.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-812ac7b elementor-widget elementor-widget-text-editor\" data-id=\"812ac7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPatient was originally diagnosed with favorable intermediate risk prostate cancer (cT1c, GS 3+4, PSA 9.7). Imaging work-up demonstrated no evidence of disease outside the prostate. He was treated with definitive Palladium-103 (Pd-103) brachytherapy (125 Gy) and had\nan initially excellent biochemical response. However, the patient subsequently had a PSA failure several years later and imaging with biopsy confirmed a local recurrence of his prostate cancer.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-8774497\" data-id=\"8774497\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8bf7764 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8bf7764\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-ff9479e\" data-id=\"ff9479e\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7393580 elementor-widget elementor-widget-heading\" data-id=\"7393580\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">WHO\/WHERE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afe19c4 elementor-widget elementor-widget-text-editor\" data-id=\"afe19c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tGautam Prasad, M.D., Ph.D, Radiation Oncologist\nEpic Care, Walnut Creek, CA\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6a8a596 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6a8a596\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-7ba8057\" data-id=\"7ba8057\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1821221 elementor-widget elementor-widget-heading\" data-id=\"1821221\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ABOUT EPIC CARE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ec3cdd elementor-widget elementor-widget-text-editor\" data-id=\"8ec3cdd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEpic Care began as a physician practice in San Leandro, CA and grew into a multi-specialty, multi-site practice which offers outpatient infusion, radiation therapy, lab and diagnostic imaging services, across the San Francisco Bay area.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b55c164 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b55c164\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-5e96b2c\" data-id=\"5e96b2c\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b8c81ea elementor-widget elementor-widget-heading\" data-id=\"b8c81ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">TECHNOLOGY SOLUTIONS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a5b7bc8 elementor-widget elementor-widget-text-editor\" data-id=\"a5b7bc8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tAccuray CyberKnife\u00ae Solution\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9a9a261 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9a9a261\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-07135de\" data-id=\"07135de\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76ac09d elementor-widget elementor-widget-heading\" data-id=\"76ac09d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">CHALLENGE<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e52b192 elementor-widget elementor-widget-text-editor\" data-id=\"e52b192\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tTreat patient originally diagnosed with favorable intermediate risk prostate cancer (cT1c, GS 3+4, PSA 9.7). Imaging work-up demonstrated no evidence of disease outside the prostate.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aee9727 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aee9727\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5f40d82\" data-id=\"5f40d82\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-66f8379 elementor-widget elementor-widget-image\" data-id=\"66f8379\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"448\" height=\"322\" src=\"https:\/\/www.accuray.com\/wp-content\/uploads\/Treatment-plan-isodose-1.png\" class=\"attachment-large size-large wp-image-34851\" alt=\"\" srcset=\"https:\/\/www.accuray.com\/wp-content\/uploads\/Treatment-plan-isodose-1.png 448w, https:\/\/www.accuray.com\/wp-content\/uploads\/Treatment-plan-isodose-1-400x288.png 400w\" sizes=\"(max-width: 448px) 100vw, 448px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1a6f89 elementor-widget elementor-widget-text-editor\" data-id=\"c1a6f89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Figure 1a: CyberKnife treatment plan isodose<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-21751d7\" data-id=\"21751d7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6211799 elementor-widget elementor-widget-image\" data-id=\"6211799\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"448\" height=\"322\" src=\"https:\/\/www.accuray.com\/wp-content\/uploads\/Beam-geometry-for-CyberKnife-1.png\" class=\"attachment-large size-large wp-image-34860\" alt=\"\" srcset=\"https:\/\/www.accuray.com\/wp-content\/uploads\/Beam-geometry-for-CyberKnife-1.png 448w, https:\/\/www.accuray.com\/wp-content\/uploads\/Beam-geometry-for-CyberKnife-1-400x288.png 400w\" sizes=\"(max-width: 448px) 100vw, 448px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2cffbb0 elementor-widget elementor-widget-text-editor\" data-id=\"2cffbb0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em>Figure 1b: Beam geometry for CyberKnife\u00ae<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-88d5881 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"88d5881\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1904912\" data-id=\"1904912\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f81e454 elementor-widget elementor-widget-heading\" data-id=\"f81e454\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">TREATMENT PREPARATION:\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b6e034 elementor-widget elementor-widget-text-editor\" data-id=\"8b6e034\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In our institution, the pre-treatment process for all patients receiving treatment with the CyberKnife System for prostate cancer includes the implantation of four gold fiducial markers and a rectal hydrogel placed under TRUS guidance. This is done either by the Urologist or Radiation Oncologist. The rectal hydrogel is used to minimize dose to the rectum. Planning MRI prostate and CT sim are performed approximately one week after fiducial and rectal hydrogel placement. Prior to CT sim and prior to every treatment fraction the patient is asked to empty bladder and use a Fleet enema. Patients are positioned for treatment, supine with a knee rest for support.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-584ca51 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"584ca51\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9ca1e6a\" data-id=\"9ca1e6a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9362daa elementor-widget elementor-widget-heading\" data-id=\"9362daa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">TREATMENT PLANNING AND DELIVERY:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9913472 elementor-widget elementor-widget-text-editor\" data-id=\"9913472\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li class=\"p1\">47 non-coplanar beams using sing InCise<span class=\"s1\">\u2122 <\/span>MLC<\/li><li class=\"p1\">34 Gy in 5 fractions prescribed to 57.3% of maximum dose (mean 44 Gy, max 59 Gy)<\/li><li class=\"p1\">A modification of Dr. Fuller et al. (2015) protocol<span class=\"s2\">1 <\/span>was used. We were able to create an HDR-like dose distribution to avoid hot spots in the urethra and preferentially irradiate the prostate and the periphery, particularly the gross disease.<\/li><li class=\"p1\">With VOLO<span class=\"s1\">\u2122 <\/span>optimization, beam-on time was 24 minutes per fraction<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5999713 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5999713\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-74b37dc\" data-id=\"74b37dc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3ab7a02 elementor-widget elementor-widget-heading\" data-id=\"3ab7a02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">POST-TREATMENT:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd9ee72 elementor-widget elementor-widget-text-editor\" data-id=\"dd9ee72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPatient reported acute toxicity as expected. One year after treatment, he is still doing well, urinary symptoms have returned to pre-disease state, and\nhe has had persistent PSA response.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9aa6ca6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9aa6ca6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-32b0e9b\" data-id=\"32b0e9b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b1fb1a elementor-widget elementor-widget-heading\" data-id=\"7b1fb1a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">REFERENCE:<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29a9c8c elementor-widget elementor-widget-text-editor\" data-id=\"29a9c8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>1. Fuller, D., Wurzer, J., Shirazi, R., Bridge, S., Law, J., &amp; Mardirossian, G. (2015). <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26059509\/\" target=\"_blank\" rel=\"noopener\">High-dose-rate stereotactic body radiation therapy for postradiation therapy locally recurrent prostatic carcinoma: Preliminary prostate-specific antigen response, disease-free survival, and toxicity assessment<\/a>. Practical Radiation Oncology, 5(6), e615-e623. doi: 10.1016\/j.prro.2015.04.009<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6e4de928 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e4de928\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6ce7351d\" data-id=\"6ce7351d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ca153be elementor-widget elementor-widget-text-editor\" data-id=\"ca153be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Important Safety Information<br \/>Most side effects of radiotherapy, including radiotherapy delivered with Accuray systems, are mild and temporary, often involving fatigue, nausea, and skin irritation. Side effects can be severe, however, leading to pain, alterations in normal body functions (for example, urinary or salivary function), deterioration of quality of life, permanent injury, and even death. Side effects can occur during or shortly after radiation treatment or in the months and years following radiation. The nature and severity of side effects depend on many factors, including the size and location of the treated tumor, the treatment technique (for example, the radiation dose), and the patient\u2019s general medical condition, to name a few. For more details about the side effects of your radiation therapy, and to see if treatment with an Accuray product is right for you, ask your doctor. Accuray Incorporated as a medical device manufacturer cannot and does not recommend specific treatment approaches. Individual results may vary.<\/p><div class=\"styles-module__LDVtB\" data-cypress-trigger=\"taskDescription\"><span class=\"styles-module__maATA\">\u00a9 2022 Accuray Incorporated. All Rights Reserved. The stylized Accuray logo, CyberKnife, VSI, M6, S7, Iris, Xchange, RoboCouch, InCise, MultiPlan, Xsight, Synchrony, Synchrony Fiducial Tracking, Synchrony Lung Tracking, Synchrony Respiratory Modeling, InTempo, TxView, PlanTouch, and QuickPlan are trademarks or registered trademarks of Accuray Incorporated in the United States and other countries and may not be used or distributed without written authorization from Accuray Incorporated. Use of Accuray Incorporated\u2019s trademarks requires written authorization from Accuray Incorporated. Other trademarks used and identified herein are the property of their respective owners. MKT003707<\/span><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The CyberKnife System is a non-invasive treatment for cancerous and non-cancerous tumors and other conditions where radiation therapy is indicated. It is used to treat conditions throughout the body, including the prostate, lung, brain, spine, head and neck, liver, pancreas, and kidney, and can be an alternative to surgery or for patients who have inoperable or surgically complex tumors.<\/p>\n","protected":false},"featured_media":34838,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"_links_to":"","_links_to_target":""},"categories":[1266],"studies_products":[],"case_studies_products":[1269],"class_list":["post-34837","studies","type-studies","status-publish","has-post-thumbnail","hentry","category-cyberknife","case_studies_products-cyberknife"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CyberKnife\u00ae System Experience: Recurrent Prostate Cancer - Accuray<\/title>\n<meta name=\"description\" content=\"This case study follows a patient with local recurrent prostate cancer treated with the CyberKnife System. 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