title: Initial experience in treating lung cancer with helical tomotherapy.
abstract: Helical tomotherapy is a new form of image-guided radiation therapy that combines features of a linear accelerator and a helical computed tomography (CT) scanner. Megavoltage CT (MVCT) data allow the verification and correction of patient setup on the couch by comparison and image registration with the kilovoltage CT multi-slice images used for treatment planning. An 84-year-old male patient with Stage III bulky non-small cell lung cancer was treated on a Hi-ART II tomotherapy unit. Daily MVCT imaging was useful for setup corrections and signaled the need to adapt the delivery plan when the patient's anatomy changed significantly.
authors: London Regional Cancer Program, London Health Sciences Centre, London, Ontario, Canada.
authors: S
authors: S
authors: Yartsev
authors: Ar
authors: A
authors: Dar
authors: C
authors: C
authors: Woodford
authors: E
authors: E
authors: Wong
authors: G
authors: G
authors: Bauman
authors: J
authors: J
authors: Van Dyk
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