Auris, nasus, larynx · 2025
Epidemiological trends in head and neck cancer in Nara Prefecture, Japan, from 2000-2021: The impact of the COVID-19 pandemic.
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Kimura Takahiro, Ota Ichiro, Uemura Hirokazu, Shoji Kazuhiko, Kojima Tsuyoshi, Kirita Tadaaki, Nario Kazuhiko, Miyazaki Masakazu, Yane Katsunari, Okamoto Hideyuki, Shimizu Naoki, Miyahara Hiroshi, Kitahara Tadashi
Аннотация
OBJECTIVE: Epidemiological surveys were conducted in Nara Prefecture, Japan, to determine the prevalence of head and neck cancer in the region since 1986.
METHODS: This study examined the dynamics of visits to 18 medical institutions treating head and neck cancer in Nara Prefecture from 2000 to 2021.
RESULTS: A total of 8,605 patients were registered, with 4,788 being male and 3,787 female. These included 3,603 thyroid, 2,215 oral, 1,164 laryngeal, 645 hypopharyngeal, 512 oropharyngeal, 326 nasal sinus, and 286 salivary gland cancer cases. A marked increase in subsite was observed in oropharyngeal, oral, and hypopharyngeal cancers, whereas laryngeal cancer remained unchanged. The number of registered patients increased every year, with 547 new patients registered in 2019, compared to 249 in 2000. However, the number of registered cases decreased by nearly 100 cases after 2020 because of the COVID-19 pandemic (453 cases in 2020 and 420 cases in 2021).
CONCLUSIONS: This study is distinctive as it comprehensively surveys all departments within Nara Prefecture involved in managing head and neck cancer.
METHODS: This study examined the dynamics of visits to 18 medical institutions treating head and neck cancer in Nara Prefecture from 2000 to 2021.
RESULTS: A total of 8,605 patients were registered, with 4,788 being male and 3,787 female. These included 3,603 thyroid, 2,215 oral, 1,164 laryngeal, 645 hypopharyngeal, 512 oropharyngeal, 326 nasal sinus, and 286 salivary gland cancer cases. A marked increase in subsite was observed in oropharyngeal, oral, and hypopharyngeal cancers, whereas laryngeal cancer remained unchanged. The number of registered patients increased every year, with 547 new patients registered in 2019, compared to 249 in 2000. However, the number of registered cases decreased by nearly 100 cases after 2020 because of the COVID-19 pandemic (453 cases in 2020 and 420 cases in 2021).
CONCLUSIONS: This study is distinctive as it comprehensively surveys all departments within Nara Prefecture involved in managing head and neck cancer.