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Japanese cancer screening programs during the COVID-19 pandemic: Changes in participation between 2017-2020.
Machii, Ryoko; Takahashi, Hirokazu.
  • Machii R; Division of Quality Assurance Programs, Institute for Cancer Control, National Cancer Center, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan. Electronic address: rmachii@ncc.go.jp.
  • Takahashi H; Division of Quality Assurance Programs, Institute for Cancer Control, National Cancer Center, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan.
Cancer Epidemiol ; 82: 102313, 2023 02.
Article in English | MEDLINE | ID: covidwho-2149426
ABSTRACT

BACKGROUND:

The impact of the coronavirus disease 2019 (COVID-19) pandemic on cancer screening participation is a global concern. A national database of screening performance is available in Japan for population-based cancer screening, estimated to cover approximately half of all cancer screenings.

METHODS:

Utilizing the fiscal year (FY) 2017-2020 national database, the number of participants in screenings for gastric cancer (upper gastrointestinal [UGI] series or endoscopy), colorectal cancer (fecal occult blood test), lung cancer (chest X-ray), breast cancer (mammography), and cervical cancer (Pap smear) were identified. The percent change in the number of participants was calculated.

RESULTS:

Compared with the pre-pandemic period (FY 2017-2019), in percentage terms FY 2020 recorded the largest decline in gastric cancer UGI series (2.82 million to 1.91 million, percent change was -32.2 %), followed by screening for breast cancer (3.10 million to 2.57 million, percent change was -17.2 %), lung cancer (7.92 million to 6.59 million, percent change was -16.7 %), colorectal cancer (8.42 million to 7.30 million, percent change was -13.4 %), cervical cancer (4.26 million to 3.77 million, percent change was -11.6 %), and gastric cancer via endoscopy (1.02 million to 0.93 million, percent change was -9.0 %).

CONCLUSION:

The number of participants in population-based screenings in Japan decreased by approximately 10-30 % during the pandemic. The impact of these declines on cancer detection or mortality should be carefully monitored.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Stomach Neoplasms / Breast Neoplasms / Colorectal Neoplasms / Uterine Cervical Neoplasms / COVID-19 / Lung Neoplasms Type of study: Diagnostic study / Observational study Limits: Female / Humans Language: English Journal: Cancer Epidemiol Journal subject: Epidemiology / Neoplasms Year: 2023 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Stomach Neoplasms / Breast Neoplasms / Colorectal Neoplasms / Uterine Cervical Neoplasms / COVID-19 / Lung Neoplasms Type of study: Diagnostic study / Observational study Limits: Female / Humans Language: English Journal: Cancer Epidemiol Journal subject: Epidemiology / Neoplasms Year: 2023 Document Type: Article