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J Korean Soc Ther Radiol Oncol > Volume 27(4); 2009 > Article
The Journal of the Korean Society for Therapeutic Radiology and Oncology 2009;27(4): 201-209. doi: https://doi.org/10.3857/jkstro.2009.27.4.201
A Retrospective Study of the Radiotherapy Care Patterns for Patients with Laryngeal Cancer and Comparison of Different Korean Hospitals Treated from 1998 through 1999
Woong Ki Chung, Il Han Kim, Mee Sun Yoon, Sung Ja Ahn, Taek Keun Nam, Ju Young Song, Jae Uk Chung, Byung Sik Nah, Joon Kyoo Lee, Hong Gyun Wu, Chang Geol Lee, Sang Wook Lee, Won Park, Yong Chan Ahn, Ki Moon Kang, Jung Soo Kim, Yoon Kyeong Oh, Moon June Cho, Woo Yoon Park, Jin Hee Kim, Doo Ho Choi, Hyong Geun Yun, Woo Cheol Kim, Dae Sik Yang, Seung Chang Sohn, Hyun Suk Suh, Ki Jung Ahn, Mison Chun, Kyu Chan Lee, Young Min Choi, Tae Sik Jeung, Jin Oh Kang
1Chonnam National University Hospital, Korea. wkchung@chonnam.ac.kr
2Seoul National University Hospital, Korea.
3Yonsei University Yonsei Medical Center, Korea.
4Ulsan University Hospital, Korea.
5Samsung Medical Center, Korea.
6Gyungsang National University Hospital, Korea.
7Chonbuk National University Hospital, Korea.
8Chosun University Hospital, Korea.
9Chungnam National University Hospital, Korea.
10Chungbuk National University Hospital, Korea.
11Keimyung University Hospital, Korea.
12Soonchunhyang University Hospital, Korea.
13Dankook University Hospital, Korea.
14Inha University Hospital, Korea.
15Korea University Anam Hospital, Korea.
16Inje University Sanggye Hospital, Korea.
17Ewha Women's University Mokdong Hospital, Korea.
18Inje University Pusan Paik Hospital, Korea.
19Ajou University Hospital, Korea.
20Gachon University Gil Hospital, Korea.
21Dong A University Hospital, Korea.
22Kosin University Gospel Hospital, Korea.
23Kyung Hee University Hospital, Korea.
To investigate the care patterns for radiation therapy and to determine inter-hospital differences for patients with laryngeal carcinoma in Korea.
A total of 237 cases of laryngeal carcinoma (glottis, 144; supraglottis, 93) assembled from 23 hospitals, who underwent irradiation in the year of 1998 and 1999, were retrospectively analyzed to investigate inter-hospital differences with respect to radiotherapy treatment. We grouped the 23 hospitals based on the number of new patients annually irradiated in 1998; and designated them as group A (> or =900 patients), group B (> or =400 patients and <900 patients), and group C (<400 patients).
The median age of the 237 patients was 62 years (range, 25 to 88 years), of which 216 were male and 21 were female. The clinical stages were distributed as follows: for glottis cancer, I; 61.8%, II; 21.5%, III; 4.2%, IVa; 11.1%, IVb; 1.4%, and in supraglottic cancer, I; 4.3%, II; 19.4%, III; 28.0%, IVa; 43.0%, IVb; 5.4%, respectively. Some differences were observed among the 3 groups with respect to the dose calculation method, radiation energy, field arrangement, and use of an immobilization device. No significant difference among 3 hospital groups was observed with respect to treatment modality, irradiation volume, and median total dose delivered to the primary site.
This study revealed that radiotherapy process and patterns of care are relatively uniform in laryngeal cancer patients in Korean hospitals, and we hope this nationwide data can be used as a basis for the standardization of radiotherapy for the treatment of laryngeal cancer.
Key Words: Laryngeal cancer, Radiotherapy, Patterns of care
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