Left cranial fiducial marker placement July 13, 2022 Overview 请参见副本 Overview Timothy W. Olsen, M.D., an ophthalmologist and vitreoretinal surgeon at Mayo Clinic in Rochester, Minnesota, demarcates a large choroidal melanoma using ceramic fiducial marker. This patient will follow up in two days with Gamma Knife radiation and stereotaxic surgery to kill the tumor. VID-20536255 医疗专业人员 Left cranial fiducial marker placement