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Author Tomio Nakayama

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Disparity of Cervical Cancer Risk in Young Japanese Women: Bipolarized Status of HPV Vaccination and Cancer Screening.

Mariko Taniguchi, Yutaka Ueda, Asami Yagi, Ai Miyoshi, Yusuke Tanaka, Ryoko Minekawa, Masayuki Endo, Takuji Tomimatsu, Kei Hirai, Tomio Nakayama, Tadashi Kimura,

Women born between 1994 and 1999 achieved high vaccination rates for human papillomavirus (HPV); they are now reaching the age of cervical cancer screening programs in Japan. In this study, we aimed to investigate the health awareness of HPV-vaccinated and unvaccinated women and to create tailored leaflets recommending cervical cancer ... Read more >>

Vaccines (Basel) (Vaccines)
[2021, 9(3):]

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The first-round results of a population-based cohort study of HPV testing in Japanese cervical cancer screening: baseline characteristics, screening results, and referral rate.

Kanako Kono, Tohru Morisada, Kumiko Saika, Eiko Saitoh Aoki, Etsuko Miyagi, Kiyoshi Ito, Hirokazu Takahashi, Tomio Nakayama, Hiroshi Saito, Daisuke Aoki,

<h4>Objective</h4>In 2013, a cohort study aimed to clarify the positive and negative effects of introducing the human papillomavirus (HPV) testing for population-based cervical cancer screening has been launched in Japan. This study included four screenings during the subsequent 7-year follow-up period. We aim to describe the results of the first ... Read more >>

J Gynecol Oncol (Journal of gynecologic oncology)
[2021, 32(3):e29]

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Japanese Mothers' Intention to HPV Vaccinate Their Daughters: How Has It Changed over Time Because of the Prolonged Suspension of the Governmental Recommendation?

Asami Yagi, Yutaka Ueda, Tatsuo Masuda, Sayaka Ikeda, Takashi Miyatake, Satoshi Nakagawa, Kei Hirai, Tomio Nakayama, Etsuko Miyagi, Takayuki Enomoto, Tadashi Kimura,

The trend for cervical cancer in younger women has been increasing recently in Japan. However, as a result of the suspension of governmental recommendation, Japan's HPV (human papillomavirus) vaccination rate for girls born since 2000 has dropped sharply. We conducted an internet survey in December of 2019, 76 months after ... Read more >>

Vaccines (Basel) (Vaccines)
[2020, 8(3):]

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Long-term trends in sex difference in bladder cancer survival 1975-2009: A population-based study in Osaka, Japan.

Jo Aoe, Yuri Ito, Keisuke Fukui, Masashi Nakayama, Toshitaka Morishima, Isao Miyashiro, Tomotaka Sobue, Tomio Nakayama,

In Japan, a study using population-based cancer registry data from six prefectures revealed a difference in bladder cancer survival between men and women. However, the period of the study was limited to 1993-2006. The recent introduction of immune checkpoint inhibitors, which have proved to be effective for the treatment for ... Read more >>

Cancer Med (Cancer medicine)
[2020, 9(19):7330-7340]

Cited: 1 time

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Novel Imprint Cytological Classification for Small Pulmonary Adenocarcinoma Using Surgical Specimens: Comparison with the 8th Lung Cancer Staging System and Histopathological Classification.

Tomoyuki Nakagiri, Tomio Nakayama, Toshiteru Tokunaga, Akemi Takenaka, Hidenori Kunoh, Hiroto Ishida, Yasuhiko Tomita, Shin-Ichi Nakatsuka, Harumi Nakamura, Jiro Okami, Masahiko Higashiyama,

<b>Objectives</b>: Small-size lung lesions suspected of being cancer are now often being identified on computed tomography. Correspondingly, a new lung cancer staging system has been proposed by the International Association for the Study of Lung Cancer (IASLC), in which the T1 factor and adenocarcinoma are re-subclassified. Previously, we proposed an ... Read more >>

J Cancer (Journal of Cancer)
[2020, 11(10):2845-2851]

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Intraoperative Diagnosis and Surgical Procedure with Imprint Cytology for Small Pulmonary Adenocarcinoma.

Tomoyuki Nakagiri, Tomio Nakayama, Toshiteru Tokunaga, Akemi Takenaka, Hidenori Kunoh, Hiroto Ishida, Yasuhiko Tomita, Shin-Ichi Nakatsuka, Harumi Nakamura, Jiro Okami, Masahiko Higashiyama,

<b>Objectives</b>: For patients with multiple small-sized pulmonary cancers, a lobectomy can disrupt future therapeutic options for other lesions. It was recently reported that limited pulmonary resections were not inferior to lobectomy for the management of selected peripheral small-sized pulmonary adenocarcinomas. Patients with adenocarcinoma <i>in situ</i> or minimally invasive adenocarcinoma, as ... Read more >>

J Cancer (Journal of Cancer)
[2020, 11(10):2724-2729]

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Reproductive and lifestyle factors related to breast cancer among Japanese women: An observational cohort study.

Rong Liu, Yuri Kitamura, Tetsuhisa Kitamura, Tomotaka Sobue, Junya Sado, Yumi Sugawara, Keitaro Matsuo, Tomio Nakayama, Ichiro Tsuji, Hidemi Ito, Takaichiro Suzuki, Kota Katanoda, Suketami Tominaga, ,

The incidence of breast cancer among Japanese women is substantially increasing. This study evaluated the effects of reproductive and lifestyle factors with respect to breast cancer overall and separately among pre- and postmenopausal women using data from the Three-Prefecture Cohort Study of Japan.A total of 33,410 women aged 40 to ... Read more >>

Medicine (Baltimore) (Medicine)
[2019, 98(51):e18315]

Cited: 1 time

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Meat subtypes and colorectal cancer risk: A pooled analysis of 6 cohort studies in Japan.

Zobida Islam, Shamima Akter, Ikuko Kashino, Tetsuya Mizoue, Norie Sawada, Nagisa Mori, Yoko Yamagiwa, Shoichiro Tsugane, Mariko Naito, Akiko Tamakoshi, Keiko Wada, Chisato Nagata, Yumi Sugawara, Ichiro Tsuji, Keitaro Matsuo, Hidemi Ito, Yingsong Lin, Yuri Kitamura, Atsuko Sadakane, Keitaro Tanaka, Taichi Shimazu, Manami Inoue, ,

Red meat and processed meat have been suggested to increase risk of colorectal cancer (CRC), especially colon cancer. However, it remains unclear whether these associations differ according to meat subtypes or colon subsites. The present study addressed this issue by undertaking a pooled analysis of large population-based cohort studies in ... Read more >>

Cancer Sci (Cancer science)
[2019, 110(11):3603-3614]

Cited: 1 time

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Alcohol Drinking and Bladder Cancer Risk From a Pooled Analysis of Ten Cohort Studies in Japan.

Hiroyuki Masaoka, Keitaro Matsuo, Isao Oze, Hidemi Ito, Mariko Naito, Keiko Wada, Chisato Nagata, Tomio Nakayama, Yuri Kitamura, Atsuko Sadakane, Akiko Tamakoshi, Ichiro Tsuji, Yumi Sugawara, Norie Sawada, Tetsuya Mizoue, Manami Inoue, Keitaro Tanaka, Shoichiro Tsugane, Taichi Shimazu,

<h4>Background</h4>The association of alcohol drinking with bladder cancer risk remains unclear in East Asian populations. Aldehyde dehydrogenase 2 (ALDH2) enzyme oxidizes alcohol-metabolized carcinogenic acetaldehyde into acetate. It is well known that the inactive ALDH2 carriers, specific to East Asian populations, have an increased risk of several cancer types because of ... Read more >>

J Epidemiol (Journal of epidemiology)
[2020, 30(7):309-313]

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Cervical cancer screening rate differs by HPV vaccination status: An interim analysis.

Mariko Taniguchi, Yutaka Ueda, Asami Yagi, Sayaka Ikeda, Masayuki Endo, Takuji Tomimatsu, Tomio Nakayama, Masayuki Sekine, Takayuki Enomoto, Tadashi Kimura,

BACKGROUND:The incidence of cervical cancer has been increasing, especially in younger generation, in Japan. The females born between 1994 and 1999, who achieved rates of HPV vaccination approaching 70%, have become the target of cervical cancer screening programs. Here, we have analyzed the cervical cancer screening rates among the vaccinated ... Read more >>

Vaccine (Vaccine)
[2019, 37(32):4424-4426]

Cited: 3 times

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Trends in incidence and long-term survival of Japanese women with vulvar cancer: a population-based analysis.

Yusuke Tanaka, Yutaka Ueda, Mamoru Kakuda, Asami Yagi, Akiko Okazawa, Tomomi Egawa-Takata, Shinya Matsuzaki, Eiji Kobayashi, Kiyoshi Yoshino, Keisuke Fukui, Yuri Ito, Tomio Nakayama, Tadashi Kimura,

<h4>Objective</h4>The incidence and long-term survival analysis for vulvar cancer, due to its rarity, has not been fully described in Asian population. The objective of the study is to determine the trends in incidence and long-term survival for vulvar cancer in a Japanese population, using a population-based cancer registry data in ... Read more >>

Int J Clin Oncol (International journal of clinical oncology)
[2019, 24(9):1137-1142]

Cited: 2 times

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Evaluation of future cervical cancer risk in Japan, based on birth year.

Asami Yagi, Yutaka Ueda, Sayaka Ikeda, Masayuki Sekine, Tomio Nakayama, Etsuko Miyagi, Takayuki Enomoto,

In 2013, following the Ministry of Health, Labor and Welfare (MHLW)'s announced suspension of its vaccine recommendation due to media reports of "adverse events", HPV vaccination dropped to almost 0%. Here, we analyzed, by birth year, the cumulative vaccinations for girls up to age 16 (maximum age for public subsidies) ... Read more >>

Vaccine (Vaccine)
[2019, 37(22):2889-2891]

Cited: 5 times

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Trends and projections of cancer mortality in Osaka, Japan from 1977 to 2032.

Keisuke Fukui, Yuri Ito, Tomio Nakayama,

Projecting cancer mortality is fundamental to the process of planning cancer control. Although the prefecture is one of the main units for the implementation and evaluation of cancer control in Japan, a long-term detailed future projection of cancer mortality has not been conducted by prefecture. The main objective of this ... Read more >>

Jpn J Clin Oncol (Japanese journal of clinical oncology)
[2019, 49(4):383-388]

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The Prefectural Participation Rates of Lung Cancer Screening Had a Negative Correlation with the Lung Cancer Mortality Rates

Motoyasu Sagawa, Ryoko Machii, Tomio Nakayama, Takafumi Sugawara, Naoya Ishibashi, Hideki Mitomo, Takashi Kondo, Toshiharu Tabata,

Background: The participation rate is one of the most important indexes in the cancer screening. Historically in Japan, each local government has developed their own equations to calculate the subjects for population-based screening, which were different from each other, and therefore the participation rates of screening were not comparable. Recently, local governments were ... Read more >>

Asian Pac J Cancer Prev (Asian Pacific journal of cancer prevention : APJCP)
[2019, 20(3):855-861]

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Coffee Consumption and All-Cause and Cardiovascular Mortality - Three-Prefecture Cohort in Japan.

Junya Sado, Tetsuhisa Kitamura, Yuri Kitamura, Rong Liu, Emiko Ando, Tomotaka Sobue, Yumi Sugawara, Keitaro Matsuo, Tomio Nakayama, Ichiro Tsuji, Hidemi Ito, Takaichiro Suzuki, Kota Katanoda, Suketami Tominaga,

<h4>Background</h4>Coffee, which contains various bioactive compounds, is one of the most popular beverages. Further accumulation of evidence is needed, however, to confirm whether coffee consumption would be effective in preventing cardiovascular disease in the general Japanese population. Methods and Results: We evaluated the association between coffee consumption frequency (never, sometimes, 1-2 cups/day, ... Read more >>

Circ J (Circulation journal : official journal of the Japanese Circulation Society)
[2019, 83(4):757-766]

Cited: 2 times

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Epidemiologic and Clinical Analysis of Cervical Cancer Using Data from the Population-Based Osaka Cancer Registry.

Asami Yagi, Yutaka Ueda, Mamoru Kakuda, Yusuke Tanaka, Sayaka Ikeda, Shinya Matsuzaki, Eiji Kobayashi, Toshitaka Morishima, Isao Miyashiro, Keisuke Fukui, Yuri Ito, Tomio Nakayama, Tadashi Kimura,

Cervical cancer screening rate is extremely low and the governmental recommendation of HPV vaccine has been suspended for 5 years in Japan. Here, we utilized data from the Osaka Cancer Registry, collected between 1976 and 2012, to evaluate cervical cancer trends in Japan. Age-adjusted incidence, relative survival, and conditional survival ... Read more >>

Cancer Res (Cancer research)
[2019, 79(6):1252-1259]

Cited: 12 times

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A population-based cohort study to evaluate the effectiveness of lung cancer screening using low-dose CT in Hitachi city, Japan.

Takeshi Nawa, Keisuke Fukui, Tomio Nakayama, Motoyasu Sagawa, Tohru Nakagawa, Hideo Ichimura, Tetsuya Mizoue,

<h4>Objectives</h4>To evaluate the effectiveness of lung cancer screening using low-dose computed tomography for the general population, we conducted a retrospective cohort study of screening for participants among Hitachi residents.<h4>Materials and methods</h4>Citizens aged 50-74 who underwent low-dose computed tomography screening at least once during 1998-2006 were defined as the computed tomography ... Read more >>

Jpn J Clin Oncol (Japanese journal of clinical oncology)
[2019, 49(2):130-136]

Cited: 4 times

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Trends in Small-Cell Lung Cancer Survival in 1993-2006 Based on Population-Based Cancer Registry Data in Japan.

Isao Oze, Hidemi Ito, Yoshikazu Nishino, Masakazu Hattori, Tomio Nakayama, Isao Miyashiro, Keitaro Matsuo, Yuri Ito,

<h4>Background</h4>Lung cancers are classified into small-cell lung cancer (SCLC) and non-small-cell lung cancer due to their different treatment and prognosis. Although many studies have reported the specific survival of SCLC patients treated at cancer hospitals, survival from population-based data has rarely been reported.<h4>Methods</h4>We analyzed survival of SCLC cases diagnosed from ... Read more >>

J Epidemiol (Journal of epidemiology)
[2019, 29(9):347-353]

Cited: 3 times

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Author Correction: Dynamic changes in Japan's prevalence of abnormal findings in cervical cytology depending on birth year.

Yutaka Ueda, Asami Yagi, Tomio Nakayama, Kei Hirai, Sayaka Ikeda, Masayuki Sekine, Etsuko Miyagi, Takayuki Enomoto,

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper. ... Read more >>

Sci Rep (Scientific reports)
[2018, 8(1):13384]

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Fish intake and risk of mortality due to aortic dissection and aneurysm: A pooled analysis of the Japan cohort consortium.

Kazumasa Yamagishi, Hiroyasu Iso, Taichi Shimazu, Akiko Tamakoshi, Norie Sawada, Keitaro Matsuo, Hidemi Ito, Kenji Wakai, Tomio Nakayama, Yuri Kitamura, Junya Sado, Ichiro Tsuji, Yumi Sugawara, Tetsuya Mizoue, Manami Inoue, Chisato Nagata, Atsuko Sadakane, Keitaro Tanaka, Shoichiro Tsugane, Shizuka Sasazuki, ,

<h4>Background & aims</h4>Many studies have suggested that fish intake is associated with protection from risk of atherosclerotic diseases; however, this association with aortic diseases has not been elucidated worldwide. We hypothesized that fish intake is inversely associated with mortality from aortic diseases (aortic dissection and aneurysm).<h4>Methods</h4>The study was conducted as ... Read more >>

Clin Nutr (Clinical nutrition (Edinburgh, Scotland))
[2019, 38(4):1678-1683]

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Increase in incidental detection of thyroid cancer in Osaka, Japan.

Yasuhiro Toyoda, Takahiro Tabuchi, Kayo Nakata, Toshitaka Morishima, Tomio Nakayama, Isao Miyashiro, Shigeyuki Hojo, Setsuko Yoshioka,

Using Osaka Cancer Registry data, we examined age-specific and age-adjusted incidence rates of thyroid cancer according to the route of thyroid cancer detection from 1992 to 2012. The detection routes were categorized into "symptomatic" and "incidental detection." Age-specific incidence rates of incidentally-detected thyroid cancer consistently increased during the study period, ... Read more >>

Cancer Sci (Cancer science)
[2018, 109(7):2310-2314]

Cited: 3 times

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Recent Improvement in the Long-term Survival of Breast Cancer Patients by Age and Stage in Japan.

Akiyo Yoshimura, Hidemi Ito, Yoshikazu Nishino, Masakazu Hattori, Tomohiro Matsuda, Isao Miyashiro, Tomio Nakayama, Hiroji Iwata, Keitaro Matsuo, Hideo Tanaka, Yuri Ito,

BACKGROUND:Recent improvements in 5-year survival of breast cancer have been reported in Japan and other countries. Though the number of long-term breast cancer survivors has been increasing, recent improvements in 10-year survival have not been reported. Moreover, the degree of improvement according to age and disease stage remains unclear. METHODS:We ... Read more >>

J Epidemiol (Journal of epidemiology)
[2018, 28(10):420-427]

Cited: 7 times

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Dynamic changes in Japan's prevalence of abnormal findings in cervical cervical cytology depending on birth year.

Yutaka Ueda, Asami Yagi, Tomio Nakayama, Kei Hirai, Sayaka Ikeda, Masayuki Sekine, Etsuko Miyagi, Takayuki Enomoto,

Japan's governmental recommendation of HPV vaccine has now been suspended for more than 4 years. In and before 2013, the targets of 20-year-old cervical cancer screening were females born in and before 1993, i.e., those who could not have received HPV vaccination because it was not yet publicly introduced. The ... Read more >>

Sci Rep (Scientific reports)
[2018, 8(1):5612]

Cited: 8 times

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Coffee drinking and colorectal cancer and its subsites: A pooled analysis of 8 cohort studies in Japan.

Ikuko Kashino, Shamima Akter, Tetsuya Mizoue, Norie Sawada, Ayaka Kotemori, Keitaro Matsuo, Isao Oze, Hidemi Ito, Mariko Naito, Tomio Nakayama, Yuri Kitamura, Akiko Tamakoshi, Ichiro Tsuji, Yumi Sugawara, Manami Inoue, Chisato Nagata, Atsuko Sadakane, Keitaro Tanaka, Shoichiro Tsugane, Taichi Shimazu, ,

Coffee is a rich source of bioactive compounds that have potential anticarcinogenic effects. However, it remains unclear whether coffee drinking is associated with colorectal cancer. Also, despite different etiological factors involved in gut physiology, few studies have investigated this association by anatomical site of the lesion. To address these issues, ... Read more >>

Int J Cancer (International journal of cancer)
[2018, 143(2):307-316]

Cited: 9 times

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Motivating Mothers to Recommend Their 20-Year-Old Daughters Receive Cervical Cancer Screening: A Randomized Study.

Tomomi Egawa-Takata, Yutaka Ueda, Akiko Morimoto, Yusuke Tanaka, Asami Yagi, Yoshito Terai, Masahide Ohmichi, Tomoyuki Ichimura, Toshiyuki Sumi, Hiromi Murata, Hidetaka Okada, Hidekatsu Nakai, Masaki Mandai, Shinya Matsuzaki, Eiji Kobayashi, Kiyoshi Yoshino, Tadashi Kimura, Junko Saito, Yumiko Hori, Eiichi Morii, Tomio Nakayama, Mikiko Asai-Sato, Etsuko Miyagi, Masayuki Sekine, Takayuki Enomoto, Yorihiko Horikoshi, Tetsu Takagi, Kentaro Shimura,

<h4>Background</h4>In Japan, the rate of cervical cancer screening is remarkably low, especially among women in their twenties and thirties, when cervical cancer is now increasing dramatically. The aim of this study was to test whether a modified government reminder for 20-year-old women to engage in cervical cancer screening, acting through ... Read more >>

J Epidemiol (Journal of epidemiology)
[2018, 28(3):156-160]

Cited: 1 time

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