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Machine-specific MRI quality control procedures for stereotactic radiosurgery treatment planning

MR images are necessary for accurate contouring of intracranial targets, determination of gross target volume (GTV) and evaluation of organs at risk (OAR) during stereotactic radiosurgery (SRS) treatment planning procedures. Many centers use MRI simulators or regular diagnostic MRI machines for SRS treatment planning; while both types of machine require two stages of quality control (QC), both machine- and patient-specific, before use for SRS, no accepted guidelines for such QC currently exist. This article describes appropriate machine-specific QC procedures for SRS applications.

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