title: [Clinical evaluation of automatic contours for head and neck region using deformable image registration software].
abstract: The purpose of this study was to clinically evaluate the automatic outline extraction properties using general-purpose deformable image registration (DIR) software for the head and neck region. To this end, we evaluated the following: (1) the difference between manual outline extraction carried out by a radiation therapy specialist and automatic outline extraction using the DIR software, and (2) the precision of the automatic outline extraction for the diachronic figure change and change in the organ shape. The manually-extracted outline and that extracted using the DIR software closely resembled each other at 0.70. Further, in the same case, the automatic outline extraction precision of the DIR software was greater at about 0.80. Our findings suggest DIR software to be useful for lessening the work involved in outline extraction.
authors.affiliation: Department of Radiological Technology, Tokushima University Hospital.
authors.forename: Motoharu
authors.initials: M
authors.lastname: Sasaki
authors.forename: Masahide
authors.initials: M
authors.lastname: Tominaga
authors.forename: Takeshi
authors.initials: T
authors.lastname: Kamomae
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Ikushima
authors.forename: Taro
authors.initials: T
authors.lastname: Kishi
authors.forename: Tetsuya
authors.initials: T
authors.lastname: Kawashita
authors.forename: Akihisa
authors.initials: A
authors.lastname: Tada
authors.forename: Midori
authors.initials: M
authors.lastname: Shigemitsu
authors.forename: Masataka
authors.initials: M
authors.lastname: Oita
mesh_terms: D000368:Aged; D006258:Head and Neck Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy*; D006801:Humans; D008875:Middle Aged; D011857:Radiographic Image Interpretation, Computer-Assisted / Q000379:methods*; D050397:Radiotherapy, Intensity-Modulated / Q000379:methods*; D012984:Software; D014057:Tomography, X-Ray Computed / Q000379:methods*