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Saito T, Komatsubara S, Hara N, Nishiyama T, Katagiri A, Ishizaki F, Hatano A, Komeyama T, Hanyu S, Terunuma M, Imai T, Go H, Iida H, Kurumada S, Yamaguchi S, Takeda K, Ando T, Hoshii T, Kasahara T, Tomita Y. Significance of PSA Screening in Niigata, Japan: Survey of Actual Status of New Cases of Prostate Cancer. Res Rep Urol 2022; 13:859-866. [PMID: 34993159 PMCID: PMC8713882 DOI: 10.2147/rru.s341347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 12/10/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose This study aims to investigate the utility of prostate-specific antigen (PSA) screening by conducting an all-case survey of newly diagnosed prostate cancer patients at Niigata Prefecture, Japan. Patients and Methods Depending on whether patients were subjected to screening, information was prospectively collected on all prostate cancer patients newly diagnosed between October 1, 2019, and September 30, 2020, at all institutions in Niigata Prefecture where urologists performing prostate biopsy routinely work and differences in clinical parameters were investigated. Results PSA was measured in 478 out of 1332 patients (35.8%) as part of a community health screening. The rate of metastatic carcinoma (M1) in all patients was 14.9%. When patients were divided into three categories of population-based screening (community health screening and workplace health screening), opportunistic screening (PSA measurements at complete medical check-ups or on patient request), and testing triggered by clinical symptoms or findings, the proportion of metastatic cancer was 4.5%, 3.7%, and 30.6%, respectively, demonstrating that the number of distant metastases was significantly lesser in all patients who underwent screening. Conclusion The one-year all-case survey of newly diagnosed prostate cancer patients demonstrated that PSA screening significantly contributed to the early diagnosis of current prostate cancer in Japan.
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Affiliation(s)
- Toshihiro Saito
- Department of Urology, Niigata Cancer Center Hospital, Niigata, Japan
| | | | - Noboru Hara
- Department of Urology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Minamiuonuma, Japan
| | - Tsutomu Nishiyama
- Department of Urology, Uonuma Institute of Community Medicine, Niigata University Medical and Dental Hospital, Minamiuonuma, Japan
| | - Akiyoshi Katagiri
- Department of Urology, Niigata Prefectural Central Hospital, Joetsu, Japan
| | - Fumio Ishizaki
- Department of Renal and Urinary Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Akihiko Hatano
- Department of Urology, Niigata Prefectural Shibata Hospital, Shibata, Japan
| | - Takeshi Komeyama
- Department of Urology, Nagaoka Red Cross Hospital, Nagaoka, Japan
| | - Shugo Hanyu
- Department of Urology, Kashiwazaki General Hospital and Medical Center, Kashiwazaki, Japan
| | - Masahiro Terunuma
- Department of Urology, Nagaoka Chuo General Hospital, Nagaoka, Japan
| | - Tomoyuki Imai
- Department of Urology, Niigata City General Hospital, Niigata, Japan
| | - Hideto Go
- Department of Urology, Niigata Saiseikai Sanjo Hospital, Sanjo, Japan
| | - Hiroaki Iida
- Department of Urology, Joetsu General Hospital, Joetsu, Japan
| | | | - Shunsuke Yamaguchi
- Department of Urology, Niigata Prefectural Central Hospital, Joetsu, Japan.,Department of Urology, Tachikawa General Hospital, Nagaoka, Japan
| | - Keisuke Takeda
- Department of Renal and Urinary Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan.,Department of Urology, Murakami General Hospital, Murakami, Japan
| | - Takashi Ando
- Department of Urology, Tachikawa General Hospital, Nagaoka, Japan.,Department of Urology, Murakami General Hospital, Murakami, Japan
| | - Tatsuhiko Hoshii
- Department of Renal and Urinary Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Takashi Kasahara
- Department of Renal and Urinary Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Yoshihiko Tomita
- Department of Renal and Urinary Pathology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
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