Relationship between radiation pneumonitis and organizing pneumonia after radiotherapy for breast cancer

Yumi Oie, Yasunori Saito, Masanao Kato, Fumitaka Ito, Hidekazu Hattori, Hiroshi Toyama, Hidetoshi Kobayashi, Kazuhiro Katada

研究成果: Article査読

23 被引用数 (Scopus)

抄録

Background: Radiation pneumonitis (RP) and organizing pneumonia (OP) are the two main types of lung damage that can occur after lung irradiation. The goal of this study was to evaluate the relationship between RP and OP after irradiation for breast cancer.Methods: Four hundred and twenty-eight patients who underwent radiotherapy for breast cancer were identified. The whole breast was irradiated with two tangential photon beams. Chest computed tomography (CT) scan were performed when patients showed any symptoms that were suspicious for pneumonitis.Results: Five patients (1.2%) were diagnosed with OP. All five patients showed ground glass opacities and consolidation of the border of the lesion of RP in the radiation fields. Infiltration of OP spread from the site of RP to the hilum of the ipsilateral lung. Between RP and OP, a free region space (FRS) could be detected.Conclusions: OP is closely related to RP. All OP lesions developed near the site of RP.

本文言語English
論文番号56
ジャーナルRadiation Oncology
8
1
DOI
出版ステータスPublished - 08-03-2013

All Science Journal Classification (ASJC) codes

  • 腫瘍学
  • 放射線学、核医学およびイメージング

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