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KMID : 0859320090270040201
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Journal of the Korean Society for Therapeutic Radiology and Oncology
2009 Volume.27 No. 4 p.201 ~ p.209
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A Retrospective Study of the Radiotherapy Care Patterns for Patients with Laryngeal Cancer and Comparison of Different Korean Hospitals Treated from 1998 through 1999
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Chung Woong-Ki
Kim Il-Han
Yoon Mee-Sun
Ahn Sung-Ja
Nam Taek-Keun
Song Ju-Young
Jung Jae-Uk
Nah-Byung-Sik
Lee Joon-Kyoo
Wu Hong-Gyun
Lee Chang-Geol
Lee Sang-wook
Park Won
Ahn Yong-Chan
Kang Ki-Moon
Kim Jung-Soo
Oh Yoon-Kyeong
Cho Moon-June
Park Woo-Yoon
Kim Jin-Hee
Choi Doo-Ho
Yun Hyong-Geun
Kim Woo-Chul
Yang Dae-Sik
Sohn Seung-Chang
Suh Hyun-Suk
Ahn Ki-Jung
Chun Mi-Son
Lee Kyu-Chan
Choi Young-Min
Jeung Tae-Sik
Kang Jin-Oh
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Abstract
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Purpose: To investigate the care patterns for radiation therapy and to determine inter-hospital differences for patients with laryngeal carcinoma in Korea.
Materials and Methods : 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 (≥900 patients), group B (≥400 patients and <900 patients), and group C (<400 patients).
Results: 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.
Conclusion: 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.
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KEYWORD
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Laryngeal cancer, Radiotherapy, Patterns of care
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