Radiotherapy is the use of radiation to treat conditions such as cancer. The most common technique exposes tumors to high energy photons (x-rays) and/or electrons while sparing normal tissues. Other uses are to prepare a patient for organ transplantation by suppressing immune response and to calm muscle twitches. The therapy can be delivered from the outside (external beam radiotherapy), by radioactive implants placed in the body (brachytherapy), or during surgery (interoperative). Other types of radiotherapy such as proton therapy and neutron therapy -- available at very limited centers -- have their own distinct advantages and disadvantages.

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Manufactures and sells the CyberKnife, a non-invasive frameless radiosurgical device that enables stereotactic radiosurgery anywhere in the body using image-guided robotics.
American Society for Therapeutic Radiology and Oncology (ASTRO)
Medical society site for members and non-members provides current and updated information relating to radiation oncology including news releases.
Product enhances external beam placement during prostate cancer treatment, thereby lowering the risk of radiation complications in adjacent organs.
CancerAblation is dedicated to the treatment of cancer by Radiofrequency Ablation.
Cutting Field IMRT
A discussion of the technical merits of a new external beam method, and its use in clinical cases.
Elaisee Liquid Ionization Chamber
The liquid ionization chamber is a probe for high accuracy measurements of the absorbed dose in radiation fields for radiotherapy and radiography, IV-brachytherapy radiosurgery and CT-scanner.
Gamma Knife Surgery in Michigan
Describes Gamma Knife stereotactic radiosurgery for brain tumors, arteriovenous malformations, acoustic neuroma and trigeminal neuralgia at MidMichigan Medical Center in Midland, Michigan. Includes information on clinical outcomes, lodging and transportation.
Hyperthermia-based Oncology - Dr. Bogovic
Effects of hyperthermia on specific cancer therapies. Covers theory, holistic, alternative, biologic support for cancer treatment, consultations, news, multidrug resistance (MDR), and chemotherapy modifications.
Johns Hopkins University: Radiation Oncology and Molecular Radiation Sciences
Dedicated to the advancement of cancer treatment through radiation therapy, research, and technology.
Medical Image Display and Analysis (MIDAG)
This team at the University of North Carolina researches the uses of medical images in everything from virtual biopsies to radiotherapy to brain surgery.
Radiation Therapy for Cancer: Questions and Answers
Up-to-date and reliable information for patients on radiotherapy provided by the National Cancer Institute.
Radiation Therapy Oncology Group
The NCI-funded RTOG runs nationwide cancer treatment studies that allows results from multiple clinics to be collected en masse.
The Radiosurgery Society
Provides patient information and brings together professionals to foster the exchange of clinical radiosurgery information.
University of North Carolina Radiation Oncology
This tertiary care clinic is located in Chapel Hill, North Carolina. The site lists staff, resources for cancer patients and their families, clinical treatments, education and training opportunities, research, clinical trials, seminars and events. The clinic is associated with UNC Lineberger Comprehensive Cancer Center.
Vanderbilt Center for Radiation Oncology
Vanderbilt researches basic and medical physics science, develops clinical techniques, interacts with industry and develops new radiotherapy facilities throughout the Nashville, Tennessee region.

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Last update:
May 20, 2016 at 14:54:03 UTC
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