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Radiation Oncology

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Radiation Oncology at The Queen's Medical Center

Queen’s Cancer Center at The Queen’s Medical Center is the only facility in Hawaii that is accredited by the American College of Radiology for more than 15 years.

We offer:

  • Tomotherapy
  • External beam radiation therapy (EBRT)
  • Intensity-modulated radiation therapy (IMRT)
  • Image-guided radiation therapy (IGRT)
  • Volumetric modulated radiation therapy (VMAT)
  • Deep Inspiration Breath Hold treatments (DIBH) with real-time motion monitoring
  • High dose rate brachytherapy (HDR)
  • MRI-based interstitial brachytherapy
  • Stereotactic body radiation therapy (SBRT) to a variety of anatomic sites, including liver, lung, prostate, brain, spine and pancreas
  • Frameless stereotactic brain radiosurgery (SRS) for brain tumors
  • Access to Gamma Knife stereotactic radiosurgery
  • Prostate seed implants (PSI)
  • Full code team and crisis nurse available to respond to all medical emergencies
  • Expertise in Adult and Pediatric treatment, including on-site anesthesia support
Logo for the ACR. Accredited Facility

Radiation Oncology Team

We are committed to providing excellent patient care and work in a collaborative and multidisciplinary environment. The team meets the highest standards in treatment planning, treatment delivery, and management for each and every patient.

The Radiation Oncology Team consists of:

  • Radiation Oncologists
  • Registered Nurses and Medical Assistant
  • Medical Physicists and Dosimetrists
  • Radiation Therapists
  • Medical Physics Technicians
  • Patient Service Representatives


The Radiation Oncology Department offers an extensive range of advanced technological and collaborative approaches to ensure unsurpassed clinical care. Safe and accurate radiation therapy is provided with state-of-the-art equipment, including:

  • TomoTherapy Hi-ART, an advanced linear accelerator with CT imaging for image-guided radiation therapy (IGRT), capable of high precision treatments
  • Elekta Infinity with Agility MLC, the only system in the State that offers 4D-imaging at the treatment machine; capable of imaging tumors that move during respiration immediately prior to treatment for precise alignment
  • Varian 21EX with Millennium MLC
  • Elekta Nucletron Microselectron for high dose rate (HDR) brachytherapy;
  • C-RAD Catalyst and Sentinel system for real-time motion monitoring during treatment
  • Philips Big Bore CT Simulator, capable of providing 4D-imaging for accurate tumor localization
  • Advanced array of treatment planning systems, including Philips Pinnacle and RayStation for IMRT, VMAT, and 3D treatment planning

Radiation Therapy and You: Support for People with Cancer

The National Cancer Institute at the National Institutes of Health provides an ebook which explains the different types of external beam and internal radiation therapy that are used as treatments for cancer. This publication covers ways that doctors attempt to protect healthy cells from harm, lists which side effects may result from treatment to specific parts of the body and offers tips for managing possible side effects. Learn more about radiation therapy by downloading this FREE resource guide below.