An analysis of displacement of internal organ for improvement of respiratory-gated irradiation therapy

Masanori Higuchi, Takao Yamamoto, Hideki Okamura, Naoya Ohta, Yasuyuki Maki, Takeshi Ebara, Toshiaki Dobashi

研究成果: Contribution to journalArticle査読

抄録

We have analyzed a displacement of lung tissues induced by aspiration and expressed it by a phenomenologically derived ellipsoidal harmonics for time course of craniocaudal displacement for a cycle of aspiration. A fitting of the equation to 4DCT images for a pair of lung of five individuals was used for the analysis of the displacement. The observed data were fitted well to the phenomenological equation. The positional dependence of the fitting parameters was reasonably explained. It is suggested that the parameter that denotes the width of the expiration phase could be used to evaluate the validation of the respiratory-gated imaging technique in irradiation therapy for each patient.

本文言語英語
ページ(範囲)195-204
ページ数10
ジャーナルNihon Reoroji Gakkaishi
44
4
DOI
出版ステータス出版済み - 2016
外部発表はい

All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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