Evaluation of intrafractional head motion for intracranial stereotactic radiosurgery with a thermoplastic frameless mask and ceiling-floor-mounted image guidance …

Y Tsuruta, M Nakata, M Nakamura, M Uto, K Takehana… - Physica Medica, 2021 - Elsevier
Purpose To evaluate intrafractional head motion (IFM) in patients who underwent
intracranial stereotactic radiosurgery with the ExacTrac X-ray system (ETX) and a frameless
mask. Methods A total of 143 patients who completed a pre-treatment examination for IFM
were eligible for this study. The frameless mask type B R408 (Klarity Medical & Equipment
Co., Ltd., Guangzhou, China), which covers the back of the head, and the entire face, was
used for patient immobilization. After the initial 6D correction and first X-ray verification (IFM …
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