caa a22 4500 605490643 CHVBK 20210128100506.0 cr unu---uuuuu 210128e20151201xx s 000 0 eng 10.1007/s10147-015-0833-4 doi (NATIONALLICENCE)springer-10.1007/s10147-015-0833-4 Clinical characteristics and outcome of pneumothorax after stereotactic body radiotherapy for lung tumors [Elektronische Daten] [Kaori Asai, Katsumasa Nakamura, Yoshiyuki Shioyama, Tomonari Sasaki, Yoshio Matsuo, Saiji Ohga, Tadamasa Yoshitake, Kotaro Terashima, Makoto Shinoto, Keiji Matsumoto, Hidenari Hirata, Hiroshi Honda] Backgound: We retrospectively investigated the clinical characteristics and outcome of pneumothorax after stereotactic body radiotherapy (SBRT) for lung tumors. Methods: Between April 2003 and July 2012, 473 patients with lung tumors were treated with SBRT. We identified 12 patients (2.5%) with pneumothorax caused by SBRT, and evaluated the clinical features of pneumothorax. Results: All of the tumors were primary lung cancers. The severity of radiation pneumonitis was grade 1 in 10 patients and grade 2 in two patients. Nine patients had emphysema. The planning target volume and pleura overlapped in 11 patients, and the tumors were attached to the pleura in 7 patients. Rib fractures were observed in three patients before or at the same time as the diagnosis of pneumothorax. The median time to onset of pneumothorax after SBRT was 18.5months (4-84months). The severity of pneumothorax was grade 1 in 11 patients and grade 3 in one patient. Conclusion: Although pneumothorax was a relatively rare late adverse effect after SBRT, some patients demonstrated pneumothorax after SBRT for peripheral lung tumors. Although most pneumothorax was generally tolerable and self-limiting, careful follow-up is needed. Japan Society of Clinical Oncology, 2015 Pneumothorax nationallicence Stereotactic body radiotherapy nationallicence Lung cancer nationallicence Asai Kaori Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut Nakamura Katsumasa Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut Shioyama Yoshiyuki Ion Beam Therapy Center, SAGA-HIMAT Foundation, Saga, Japan aut Sasaki Tomonari Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut Matsuo Yoshio Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut Ohga Saiji Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut Yoshitake Tadamasa Faculty of Medical Sciences Department of Comprehensive Clinical Oncology, Kyushu University, Fukuoka, Japan aut Terashima Kotaro Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut Shinoto Makoto Ion Beam Therapy Center, SAGA-HIMAT Foundation, Saga, Japan aut Matsumoto Keiji Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut Hirata Hidenari Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut Honda Hiroshi Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut International Journal of Clinical Oncology Springer Japan 20/6(2015-12-01), 1117-1121 1341-9625 20:6<1117 2015 20 10147 https://doi.org/10.1007/s10147-015-0833-4 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10147-015-0833-4 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Asai Kaori Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Nakamura Katsumasa Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Shioyama Yoshiyuki Ion Beam Therapy Center, SAGA-HIMAT Foundation, Saga, Japan aut NATIONALLICENCE 700 1- Sasaki Tomonari Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Matsuo Yoshio Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Ohga Saiji Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Yoshitake Tadamasa Faculty of Medical Sciences Department of Comprehensive Clinical Oncology, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Terashima Kotaro Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Shinoto Makoto Ion Beam Therapy Center, SAGA-HIMAT Foundation, Saga, Japan aut NATIONALLICENCE 700 1- Matsumoto Keiji Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Hirata Hidenari Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 700 1- Honda Hiroshi Department of Clinical Radiology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan aut NATIONALLICENCE 773 0- International Journal of Clinical Oncology Springer Japan 20/6(2015-12-01), 1117-1121 1341-9625 20:6<1117 2015 20 10147