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

doi:10.1186/1748-717X-8-56

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

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

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.

Original language	English
Article number	56
Journal	Radiation Oncology
Volume	8
Issue number	1
DOIs	https://doi.org/10.1186/1748-717X-8-56
Publication status	Published - 08-03-2013

All Science Journal Classification (ASJC) codes

Oncology
Radiology Nuclear Medicine and imaging

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1186/1748-717X-8-56

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title = "Relationship between radiation pneumonitis and organizing pneumonia after radiotherapy for breast cancer",

abstract = "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.",

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doi = "10.1186/1748-717X-8-56",

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T1 - Relationship between radiation pneumonitis and organizing pneumonia after radiotherapy for breast cancer

AU - Oie, Yumi

AU - Saito, Yasunori

AU - Kato, Masanao

AU - Ito, Fumitaka

AU - Hattori, Hidekazu

AU - Toyama, Hiroshi

AU - Kobayashi, Hidetoshi

AU - Katada, Kazuhiro

PY - 2013/3/8

Y1 - 2013/3/8

N2 - 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.

AB - 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.

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

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