Dose calculation and treatment plan optimization including imaging dose from kilovoltage cone beam computed tomography
نویسندگان
چکیده
منابع مشابه
Patient dose from kilovoltage cone beam computed tomography imaging in radiation therapy.
Kilovoltage cone-beam computerized tomography (kV-CBCT) systems integrated into the gantry of linear accelerators can be used to acquire high-resolution volumetric images of the patient in the treatment position. Using on-line software and hardware, patient position can be determined accurately with a high degree of precision and, subsequently, set-up parameters can be adjusted to deliver the i...
متن کاملImaging dose from cone beam computed tomography in radiation therapy.
Imaging dose in radiation therapy has traditionally been ignored due to its low magnitude and frequency in comparison to therapeutic dose used to treat patients. The advent of modern, volumetric, imaging modalities, often as an integral part of linear accelerators, has facilitated the implementation of image-guided radiation therapy (IGRT), which is often accomplished by daily imaging of patien...
متن کاملMeasurement of skin dose from cone-beam computed tomography imaging
OBJECTIVE To measure surface skin dose from various cone-beam computed tomography (CBCT) scanners using point-dosimeters. MATERIALS & METHODS A head anthropomorphic phantom was used with nanoDOT optically stimulated luminescence (OSL) dosimeters (Landauer Corp., Glenwood, IL) attached to various anatomic landmarks. The phantom was scanned using multiple exposure protocols for craniofacial eva...
متن کاملPatient radiation dose and protection from cone-beam computed tomography
After over one decade development, cone beam computed tomography (CBCT) has been widely accepted for clinical application in almost every field of dentistry. Meanwhile, the radiation dose of CBCT to patient has also caused broad concern. According to the literature, the effective radiation doses of CBCTs in nowadays market fall into a considerably wide range that is from 19 µSv to 1073 µSv and ...
متن کاملEvaluation of radiation dose to organs during kilovoltage cone‐beam computed tomography using Monte Carlo simulation
Image-guided techniques for radiation therapy have improved the precision of radiation delivery by sparing normal tissues. Cone-beam computed tomography (CBCT) has emerged as a key technique for patient positioning and target localization in radiotherapy. Here, we investigated the imaging radiation dose delivered to radiosensitive organs of a patient during CBCT scan. The 4D extended cardiac-to...
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ژورنال
عنوان ژورنال: Acta Oncologica
سال: 2014
ISSN: 0284-186X,1651-226X
DOI: 10.3109/0284186x.2013.875626