SRT
Elekta receives FDA 510(k) clearance for Fraxion
The Fraxion™ head frame helps ensure accuracy and precision in stereotactic radiation therapy (SRT) of cancer targets in the brain and cranium. Elekta’s Fraxion is the first to introduce an innovative system that integrates all proven cranial immobilization options in a single solution.
“Building on more than 60 years of stereotaxy experience, Fraxion provides the accuracy and precision that clinicians need for even the most challenging cranial SRT cases,” says Dee Mathieson, Senior Vice President, Oncology Business Line Management. “Coupled with Elekta’s state-of-the-art Monaco® treatment planning and an unequalled specification for high resolution beam shaping with Apex™, Elekta’s latest multileaf collimator, these solutions provide our clinical users with a simple, efficient way to expand their practice into stereotaxy.”
Clinicians at Royal Preston Hospital’s Rosemere Cancer Centre (Preston, U.K.) have been impressed by the head frame’s ease of use, accuracy and patient comfort.
“Fraxion integrates well into our Elekta environment,” says Glyn Shentall, Head of Radiotherapy Physics at the Royal Preston Hospital. “The head frame is a non-invasive, well-tolerated system that provides high intra-fraction immobilization accuracy. Patient setup for treatment is straightforward and radiographer confidence in the system is high.”
Fraxion head fixation can be used for virtually any patient. The patient can be immobilized with a thermoplastic mask, with the vacuum mouthpiece, or even a combination of both systems. Precise repositioning is possible as the system is directly connected to the treatment table and micro adjustments are possible via easily accessible screws for full 6D patient positioning.
- SRT for a solitary relapse lung cancer with on-line correction using Elekta Synergy®
INSTITUTION: Instituto Oncológico, Consorcio Hospitalario Provincial de Castellón
PATIENT: 52-year-old male
DIAGNOSIS: T3 N0 M0 NSCLC (epidermoid) in left lung
PLAN: 6 field non-coplanar
IMAGE GUIDANCE: Elekta VolumeViewTM
TREATMENT:48Gy in 8 fractions over three weeks
SRT for a solitary relapse lung cancer with on-line correction using Elekta Synergy®
Consorcio Hospitalario Provincial de Castellón
Authors
Radiation Oncologist: Carlos Ferrer, Angel L. Sanchez
Physicist: Agustin Santos
Nurses-Technicians: Marisa Miró, Mercedes Broseta, Laia Arzo, Raquel Suarez
Patient history and diagnosis
A 52-year-old man was diagnosed in 2001 with a T3 N0 M0 NSCLC (epidermoid) in left lung. This was primarily treated with induction chemotherapy (CDDP-Taxotere) 3 cycles, followed by pneumonectomy and mediastinal lymphadenectomy. The pathology suggested a 4cm epidermoid carcinoma with 22 lymph nodes negative.
The patient was followed-up in November 2007 and was found to have haemoptysis. A CT scan showed a solitary 2.5cm nodule in the right hilum. Fibrobronchoscopy detected infiltration of the epidermoid carcinoma. A PET/CT showed a mass of 2.6cm with a SUV of 25. Following evaluation the patient was re-staged and no other relapse sites were detected. Respiratory function was: FEV-1: 1,76 l, with VC 57%.
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Live WebEx:
Cancer Treated with Radiation Therapy Elekta Axesse™ SBRT Linear Accelerator
When: June 23, 2009, 5:00 PM EDT
Where: Wake Forest University Baptist Medical Center
James J. Urbanic, M.D., a radiation oncologist, and Carnell J. Hampton, Ph.D., a physicist at the Comprehensive Cancer Center at Wake Forest University Baptist Medical Center, will use the most advanced linear accelerator to treat lung cancer.
The Elekta Axesse™ image guided linear accelerator offers highly-accurate targeting of tumors and lesions virtually anywhere in the body. Typically requiring only one to five treatments, it achieves excellent results in fewer treatments than required by standard radiotherapy.
“Axesse raises our technological and treatment capabilities to an even higher level,” said Urbanic, lead physician on the Axesse team. “We are able to deliver higher and more conformal doses of radiation to the target in fewer fractions than with conventional radiation therapy techniques.” For patients, that means more convenience and a faster return to their daily activities.
For Full Details, please follow this link Live WebEx: Cancer Treated with Radiation Therapy Elekta Axesse™ SBRT Linear Accelerator
Elekta Axesse
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Re-treatment of a recurrent brain tumor using Elekta Synergy® S
Institution: Temple University Hospital, Philadelphia, USA
Patient: 63-year-old male
Diagnosis: NSCLC
Plan: Nine-field IMRT/SRT
Image guidance: VolumeView™ on-line
Treatment: Target – 1200cGy – single fraction
Patient diagnosis and history
A 63-year-old man with a six-month history of weight loss underwent a chest X-ray which revealed a right upper lobe mass. The patient later had a generalized seizure and was admitted to a local hospital, after which he had an MRI scan which revealed three metastatic lesions.
A CT scan of the chest revealed a 9cm right upper lobe mass with hilar and mediastinal lymphadenopathy. The patient had a fine needle aspirate biopsy of the right upper lobe mass that was compatible with non-small cell carcinoma of the lung (NSCCL). A bone scan revealed increased activity in the T6 vertebral body and the right intertrochanteric area of the right femur.
Previous radiation therapy
The patient had previously received whole brain irradiation, a total dose of 3500cGy was delivered in 14 fractions through parallel-opposed lateral fields.
Treatment
A step-and-shoot IMRT/stereotactic radiation therapy (SRT) plan (figure 1) for simultaneous treatment of multiple brain metastases (two cerebellar and a right temporal). Treatment planning was carried out using Philips Pinnacle®3 IMRT/SRT techniques. The patient was immobilized in a reinforced AcQuaPlast head mask. No sedation was employed.
Read more of the Re-treatment of a recurrent brain tumor using Elekta Synergy® S
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