Tomotherapy: A new concept for the delivery of dynamic conformal radiotherapy

摘要: Tomotherapy, literally ‘‘slice therapy,’’ is a proposal for the delivery of radiation therapy with intensity‐modulated strips radiation. The proposed method employs linear accelerator, or another radiation‐emitting device, which would be mounted on ring gantry like CT scanner. patient move through bore simultaneously rotation. intensity modulation performed by temporally modulated multiple independent leaves that open and close across slit opening. At any given time, leaf (1) closed, covering portion slit, (2) open, allowing through, (3) changing between these states. This result in highly conformal Overall treatment times should comparable contemporary treatmentdelivery times. make it convenient to mount narrow multisegmented megavoltage detectorsystem beam verification scanner unit. Such unit could become powerful tool planning, treatment, using tomographic images. physical properties this are evaluated fundamental design specifications justified.