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199 results on '"Muramatsu, Yukio"'

2. How Can Image Quality Affect the Detection Performance of Breast CAD (Computer Aided Detection) in FFDM (Full Field Digital Mammography)? – A Comparative Study with Two Different FFDM Systems-

Author

Uchiyama, Nachiko, Stoeckel, Jonathan, Otsuka, Kyoichi, Kuroki, Seiko, Muramatsu, Yukio, Moriyama, Noriyuki, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Martí, Joan, editor, Oliver, Arnau, editor, Freixenet, Jordi, editor, and Martí, Robert, editor

Published
2010
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6. Measurement of Focal Ground-glass Opacity Diameters on CT Images: Interobserver Agreement in Regard to Identifying Increases in the Size of Ground-Glass Opacities

Author

Kakinuma, Ryutaro, Ashizawa, Kazuto, Kuriyama, Keiko, Fukushima, Aya, Ishikawa, Hiroyuki, Kamiya, Hisashi, Koizumi, Naoya, Maruyama, Yuichiro, Minami, Kazunori, Nitta, Norihisa, Oda, Seitaro, Oshiro, Yasuji, Kusumoto, Masahiko, Murayama, Sadayuki, Murata, Kiyoshi, Muramatsu, Yukio, and Moriyama, Noriyuki

Published
2012
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13. Low-dose CT lung cancer screening in never-smokers and smokers: results of an eight-year observational study

Author

Kakinuma, Ryutaro, primary, Muramatsu, Yukio, additional, Asamura, Hisao, additional, Watanabe, Shun-ichi, additional, Kusumoto, Masahiko, additional, Tsuchida, Takaaki, additional, Kaneko, Masahiro, additional, Tsuta, Koji, additional, Maeshima, Akiko Miyagi, additional, Ishii, Genichiro, additional, Nagai, Kanji, additional, Yamaji, Taiki, additional, Matsuda, Takahisa, additional, and Moriyama, Noriyuki, additional

Published
2020
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21. Correction: Ultra-High-Resolution Computed Tomography of the Lung: Image Quality of a Prototype Scanner

Author

Kakinuma, Ryutaro, primary, Moriyama, Noriyuki, additional, Muramatsu, Yukio, additional, Gomi, Shiho, additional, Suzuki, Masahiro, additional, Nagasawa, Hirobumi, additional, Kusumoto, Masahiko, additional, Aso, Tomohiko, additional, Muramatsu, Yoshihisa, additional, Tsuchida, Takaaki, additional, Tsuta, Koji, additional, Maeshima, Akiko Miyagi, additional, Tochigi, Naobumi, additional, Watanabe, Shun-ichi, additional, Sugihara, Naoki, additional, Tsukagoshi, Shinsuke, additional, Saito, Yasuo, additional, Kazama, Masahiro, additional, Ashizawa, Kazuto, additional, Awai, Kazuo, additional, Honda, Osamu, additional, Ishikawa, Hiroyuki, additional, Koizumi, Naoya, additional, Komoto, Daisuke, additional, Moriya, Hiroshi, additional, Oda, Seitaro, additional, Oshiro, Yasuji, additional, Yanagawa, Masahiro, additional, Tomiyama, Noriyuki, additional, and Asamura, Hisao, additional

Published
2015
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22. Abstracts of Selected Papers Presented at the 28th Annual Meeting of the Japanese Society of Gastroenterology Kanazawa, Japan, October 1–3,1986

Author

Tozuka, S., Esumi, M., Uchida, T., Shikata, T., Ogata, N., Kamimura, T., Ichida, F., Hamada, C., Matsumoto, Hisashi, Yoneyama, T., Miyamura, T., Mitamura, K., Osuga, T., Yaginuma, K., Morishima, T., Koike, K., Hino, Okio, Fujise, K., Nagamori, S., Kameda, H., Yokosuka, Osamu, Omata, Masao, Murakami, Seishi, Torino, T., Nakamura, T., Nagaya, A., Matsubara, K., Kimura, Akira, Sasagawa, Tsutomu, Higashi, A., Watanabe, Y., Iwashita, A., Yao, T., Imamura, K., Hibi, T., Watanabe, M., Asakura, H., Tsuchiya, M., Hiwatashi, Nobuo, Miura, Masaaki, Sasaki, I., Funayama, Y., Sato, T., Wang, C. Y., Huang, L. H., Wang, T. H., Sung, J. L., Hsu, S. C., How, S. W., Kobayashi, Kenzo, Nakamura, Hironobu, Taguchi, Tetsuo, Jinno, Kenji, Yumoto, Yasuhiro, Tanaka, Yutaka, Mitomi, Toshio, Ryu, Munemasa, Nagashima, Tohru, Majima, Yasuo, Tanikawa, Kyuichi, Fukuda, Yoshihiro, Hiraoka, Masahiro, Onishi, Saburo, Saibara, Toshiji, Imawari, Michio, Ishikawa, Takashi, Shimada, Tatsuji, Nakao, Norio, Kobayashi, Kenichi, Yamasaki, Susumu, Hasegawa, Hiroshi, Takayasu, Kenichi, Muramatsu, Yukio, Kinoshita, Hiroaki, Sakai, Katsuji, Higashi, Shunsaku, Mizumoto, Ryuji, Fujihara, Shiro, Okamoto, Eizo, Ochiai, Atsushi, Tahara, Eiichi, Yokota, Takashi, Takahashi, Toshio, Sunagawa, Masakatsu, Endo, Mitsuo, Imai, Kohzoh, Yachi, Akira, Hiraiwa, Nozomu, Fukuda, Yoshihiro, Chung, Yong-Suk, Satake, Katsusuke, Sugano, Kokichi, Ohkura, Hisanao, Takemori, Yasuhiro, Sawabu, Norio, Fujiyama, Shigetoshi, Morishita, Takafumi, Okuda, Hiroaki, and Obata, Hiroshi

Published
1987
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24. Proceedings of the 71st General Meeting Sapporo, Japan, May 22–24, 1985

Author

Suyama, Masafumi, Ariyama, Jo, Higashi, Shunsaku, Mizumoto, Ryuji, Sato, Morio, Yamada, Ryusaku, Ohsaki, Yukio, Shimizu, Tatsuo, Takenaka, Kenji, Kanematsu, Takashi, Yumoto, Yasuhiro, Jinno, Kenji, Izawa, Kunihide, Tsuchiya, Ryoichi, Ohto, Masao, Sugiura, Nobuyuki, Kinoshita, Hiroaki, Sakai, Katsuji, Shingai, Yasushi, Kado, Yuji, Yamanaka, Naoki, Okamoto, Eizo, Toyosaka, Akihiko, Yabuki, Kohei, Abe, Kazuo, Ohshiba, Saburo, Hata, Yoshinobu, Nishi, Shinzo, Ishii, Nobuko, Nagataki, Shigenobu, Shimano, Takashi, Mori, Takesada, Ohkura, Hisanao, Hirohashi, Setsuo, Sawabu, Norio, Toya, Daishu, Sawabu, Norio, Toya, Daishu, Watanabe, Masahiko, Hirohashi, Setsuo, Okumura, Shuichi, Saitoh, Yoichi, Nakamura, Noriaki, Hirota, Masaki, Kanoh, Makoto, Kaneda, Haruo, Adachi, Kenji, Koyama, Shin, Hatakeyama, Katsuyoshi, Fukushima, Tsuneo, Tsuchiya, Shuji, Iwama, Takeo, Mishima, Yoshiro, Tsuburaya, T., Kushida, T., Uchino, J., Yamasaki, Susumu, Hasegawa, Hiroshi, Manabe, Tadao, Suzuki, Takashi, Yonemura, Yutaka, Sekoguchi, Tsutomu, Mizumoto, Ryuji, Ebata, Hidetaka, Hayashi, Hirokazu, Arakawa, Yasuyuki, Yasuda, Morihide, Inoue, Kazutomo, Hosotani, Ryo, Funakoshi, Akihiro, Nakano, Itsuro, Yamamura, T., Takahashi, T., Miyata, Masahiro, Nakao, Kazuyasu, Imamura, Mikio, Sato, Toshio, Kishimoto, Shinya, Kajiyama, Goro, Noda, Aiji, Hayakawa, Tetsuo, Nagata, Atsuo, Homma, Tatsuji, Miyake, Hirofumi, Harada, Hideo, Kimura, Toshinari, Sumi, Toshihiko, Miyasaka, Kyoko, Kitani, Kenichi, Yamauchi, H., Sato, T., Takahashi, Toshihisa, Wakabayashi, Toshishige, Konishi, Kohji, Izumi, Ryohei, Miyashita, Tadashi, Suzuki, Takashi, Tsunoda, Tsukasa, Tsuchiya, Ryoichi, Fujiwara, Akira, Okajima, Kunio, Tabuchi, Yoshiki, Saitoh, Yoichi, Takahashi, Hiroshi, Muramatsu, Yukio, Yamada, Tatsuya, Uehara, Koichiro, Mishima, Yoshio, Fukuda, Ichiro, Imaoka, Shingi, Hiramatsu, K., Ido, K., and Takahashi, Takashi

Published
1986
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26. Ultra-High-Resolution Computed Tomography of the Lung: Image Quality of a Prototype Scanner

Author

Kakinuma, Ryutaro, primary, Moriyama, Noriyuki, additional, Muramatsu, Yukio, additional, Gomi, Shiho, additional, Suzuki, Masahiro, additional, Nagasawa, Hirobumi, additional, Kusumoto, Masahiko, additional, Aso, Tomohiko, additional, Muramatsu, Yoshihisa, additional, Tsuchida, Takaaki, additional, Tsuta, Koji, additional, Maeshima, Akiko Miyagi, additional, Tochigi, Naobumi, additional, Watanabe, Shun-ichi, additional, Sugihara, Naoki, additional, Tsukagoshi, Shinsuke, additional, Saito, Yasuo, additional, Kazama, Masahiro, additional, Ashizawa, Kazuto, additional, Awai, Kazuo, additional, Honda, Osamu, additional, Ishikawa, Hiroyuki, additional, Koizumi, Naoya, additional, Komoto, Daisuke, additional, Moriya, Hiroshi, additional, Oda, Seitaro, additional, Oshiro, Yasuji, additional, Yanagawa, Masahiro, additional, Tomiyama, Noriyuki, additional, and Asamura, Hisao, additional

Published
2015
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28. Hepatoblastoma:Clinico-Radiological Study of Fifteen Cases

Author

Ichikawa, Taro, Takayasu, Kenichi, Tochihara, Masahiro, Oohira, Mutsuro, Moriyama, Noriyuki, Terui, Syuji, Muramatsu, Yukio, Nawano, Shigeru, Terauchi, Takashi, Sekiguchi, Ryuzou, Wakao, Fumihiko, and Yamada, Tatsuya

Published
1991

34. Sensitivity of 2-[18F]fluoro-2-deoxyglucose positron emission tomography for advanced colorectal neoplasms: a large-scale analysis of 7505 asymptomatic screening individuals.

Author

Sekiguchi, Masau, Kakugawa, Yasuo, Terauchi, Takashi, Matsumoto, Minori, Saito, Hiroshi, Muramatsu, Yukio, Saito, Yutaka, and Matsuda, Takahisa

Abstract

Background: The sensitivity of 2-[18F]fluoro-2-deoxyglucose positron emission tomography (FDG-PET) for advanced colorectal neoplasms among healthy subjects is not yet fully understood. The present study aimed to clarify the sensitivity by analyzing large-scale data from an asymptomatic screening population.Methods: A total of 7505 asymptomatic screenees who underwent both FDG-PET and colonoscopy at our Cancer Screening Division between February 2004 and March 2013 were analyzed. FDG-PET and colonoscopy were performed on consecutive days, and each examination was interpreted in a blinded fashion. The results of the two examinations were compared for each of the divided six colonic segments, with those from colonoscopy being set as the reference. The relationships between the sensitivity of FDG-PET and clinicopathological features of advanced neoplasms were also evaluated.Results: Two hundred ninety-one advanced neoplasms, including 24 invasive cancers, were detected in 262 individuals. Thirteen advanced neoplasms (advanced adenomas) were excluded from the analysis because of the coexistence of lesions in the same colonic segment. The sensitivity, specificity, and positive and negative predictive values of FDG-PET for advanced neoplasms were 16.9 % [95 % confidence interval (CI) 12.7-21.8 %], 99.3 % (95 % CI 99.2-99.4 %), 13.5 % (95 % CI 10.1-17.6 %), and 99.4 % (95 % CI 99.3-99.5 %), respectively. The sensitivity was lower for lesions with less advanced histological grade, of smaller size, and flat-type morphology, and for those located in the proximal part of the colon.Conclusions: FDG-PET is believed to be difficult to use as a primary screening tool in population-based colorectal cancer screening because of its low sensitivity for advanced neoplasms. Even when it is used in opportunistic cancer screening, the limit of its sensitivity should be considered. [ABSTRACT FROM AUTHOR]

Published
2016
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35. Sensitivity of 2-[F]fluoro-2-deoxyglucose positron emission tomography for advanced colorectal neoplasms: a large-scale analysis of 7505 asymptomatic screening individuals.

Author

Sekiguchi, Masau, Kakugawa, Yasuo, Terauchi, Takashi, Matsumoto, Minori, Saito, Hiroshi, Muramatsu, Yukio, Saito, Yutaka, and Matsuda, Takahisa

Subjects
COLON cancer diagnosis, COLONOSCOPY, FLUORODEOXYGLUCOSE F18, POSITRON emission tomography, CLINICAL pathology
Abstract

Background: The sensitivity of 2-[F]fluoro-2-deoxyglucose positron emission tomography (FDG-PET) for advanced colorectal neoplasms among healthy subjects is not yet fully understood. The present study aimed to clarify the sensitivity by analyzing large-scale data from an asymptomatic screening population. Methods: A total of 7505 asymptomatic screenees who underwent both FDG-PET and colonoscopy at our Cancer Screening Division between February 2004 and March 2013 were analyzed. FDG-PET and colonoscopy were performed on consecutive days, and each examination was interpreted in a blinded fashion. The results of the two examinations were compared for each of the divided six colonic segments, with those from colonoscopy being set as the reference. The relationships between the sensitivity of FDG-PET and clinicopathological features of advanced neoplasms were also evaluated. Results: Two hundred ninety-one advanced neoplasms, including 24 invasive cancers, were detected in 262 individuals. Thirteen advanced neoplasms (advanced adenomas) were excluded from the analysis because of the coexistence of lesions in the same colonic segment. The sensitivity, specificity, and positive and negative predictive values of FDG-PET for advanced neoplasms were 16.9 % [95 % confidence interval (CI) 12.7-21.8 %], 99.3 % (95 % CI 99.2-99.4 %), 13.5 % (95 % CI 10.1-17.6 %), and 99.4 % (95 % CI 99.3-99.5 %), respectively. The sensitivity was lower for lesions with less advanced histological grade, of smaller size, and flat-type morphology, and for those located in the proximal part of the colon. Conclusions: FDG-PET is believed to be difficult to use as a primary screening tool in population-based colorectal cancer screening because of its low sensitivity for advanced neoplasms. Even when it is used in opportunistic cancer screening, the limit of its sensitivity should be considered. [ABSTRACT FROM AUTHOR]

Published
2016
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38. Recent Advances in Radiology for the Diagnosis of Gastric Carcinoma

Author

Iinuma, Gen, primary, Tomimatsu, Hideto, additional, Muramatsu, Yukio, additional, Moriyama, Noriyuki, additional, Kobayashi, Toshiaki, additional, Saito, Hiroshi, additional, Maeda, Tetsuo, additional, Miyakawa, Kunihisa, additional, Wakao, Fumihiko, additional, Satake, Mitsuo, additional, and Arai, Yasuaki, additional

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39. Incidental detection of malignant lymphoma in subjects in a cancer surveillance programme

Author

Kamiyama, Yutaro, primary, Kobayashi, Yukio, additional, Fukuhara, Suguru, additional, Morikawa, Noriyuki, additional, Munakata, Wataru, additional, Miyagi Maeshima, Akiko, additional, Maruyama, Dai, additional, Kim, Sung-Won, additional, Watanabe, Takashi, additional, Terauchi, Takashi, additional, Muramatsu, Yukio, additional, and Tobinai, Kensei, additional

Published
2014
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44. Clinical and radiologic assessments of the results of hepatectomy for small hepatocellular carcinoma and therapeutic arterial embolization for postoperative recurrence

Author

Takayasu, Kenichi, Muramatsu, Yukio, Moriyama, Noriyuki, Hasegawa, Hiroshi, Makuuchi, Masatoshi, Okazaki, Nobuo, Hirohashi, Setsuo, and Tsugane, Shoichiro

Subjects
Liver, Liver cancer, Surgery -- Evaluation, Health
Abstract

The advent of modern medical imaging techniques has improved the ability to diagnose small hepatocellular carcinoma (s-HCC), a cancer of the liver. With rapid, reliable diagnosis, more patients are being treated surgically for this tumor. Patients with s-HCC were followed-up postoperatively, for periods ranging from nine months to more than nine years, to determine the natural history of the disease and to evaluate the effectiveness of introducing an arterial embolus, or a block in an artery, as treatment for recurring tumors in the liver. Of the 123 patients followed, 54.2 percent had a recurrence of s-HCC tumor in their liver an average of 14.9 months after surgery. Of the 48 recurrences diagnosed by imaging techniques, 12 were negative for alpha-fetoprotein, which is usually regarded as a blood-borne marker for liver disease. This demonstrates the improved reliability of the imaging techniques. Sixteen patients were lost to complete follow-up. Of the remaining patients with s-HCC, the 5-year survival rate was 48.9 percent for those without tumor recurrence and 11.0 percent for patients with recurrence. Embolization treatment of the recurring tumors seemed to provide some benefit; for patients with recurring liver tumors, the survival rate was 0 percent without embolization treatment and 14.9 percent among those who received the treatment. (Consumer Summary produced by Reliance Medical Information, Inc.)

Published
1989

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