医療科学部

Shigeki Kobayashi

  (小林 茂樹)

Profile Information

Affiliation
School of Health Sciences Faculty of Radiological Technology, Fujita Health University
Degree
(BLANK)

J-GLOBAL ID
200901092624344952
researchmap Member ID
1000185583

Research Areas

 1

Papers

 4
  • Yumi Kataoka, Hitoshi Nishio, Ryo Matsukiyo, Midori Hasegawa, Takashi Kenmochi, Ryoichi Shiroki, Hiroshi Toyama, Takashi Ichihara, Shigeki Kobayashi
    Fujita Medical Journal, 3 73-80, Feb, 2020  Peer-reviewedLast author
  • Shigeki Kobayashi, Mayumi Ogura, Naohisa Suzawa, Noriyuki Horiki, Masaki Katsurahara, Toru Ogura, Hajime Sakuma
    BMC MEDICAL IMAGING, 16(58), Oct, 2016  Peer-reviewed
    Background: The aim of this study was to determine the value of F-18-FDG uptake on screening PET/CT images for the prediction of Helicobacter pylori (H. pylori) infection and chronic atrophic gastritis. Methods: Among subjects who underwent F-18-FDG PET/CT for cancer screening from April 2005 to November 2015, PET/CT images were analyzed in 88 subjects who had gastrointestinal fiberscopy within 6 months. The volumes of interest (VOIs) were placed in the fornix, corpus and antrum of the stomach to determine maximal standardized uptake value (SUVmax) and mean SUV (SUVmean). Receiver operating characteristic curve (ROC) analysis was performed to determine the diagnostic performance of SUV indicators in predicting H. pylori infection and chronic atrophic gastritis. Results: SUV indicators of the stomach were significantly higher in subjects with H. pylori infection than those without (from P < 0.001 to P < 0.05). ROC analysis revealed that SUVmean had the highest performance in predicting H. pylori infection (AUC 0.807) and chronic atrophic gastritis (AUC 0.784). SUVmean exhibited the sensitivity of 86.5 % and the specificity of 70.6 % in predicting H. pylori infection, and the sensitivity of 75.0 % and 78.6 % in predicting chronic atrophic gastritis. Conclusion: Assessment of F-18-FDG uptake in the stomach reflecting active inflammation is useful in predicting patients with H. pylori infection and subsequent chronic atrophic gastritis which is closely associated with the risk of gastric neoplasms.
  • 小林茂樹, 竹田 寛, 須澤尚久
    日本がん検診・診断学会誌, 20(2) 202-209, 2012  Peer-reviewed
  • Kobayashi Shigeki, Tanaka Yukio, Matsuo Michiko, Kumashita Yuka, Nakai Masahiro, Kawaguchi Tatsuya, Kondoh Shizuko, Nagasawa Naoki, Yamada Takanori, Ogino Yutaka, Onishi Osamu, Komoto Shigekazu, Takeda Kan
    J.Jpn. Assoc.Breast Cancer Screen., 21(1) 65-71, 2012  Peer-reviewed
    Mie Medical Network of Breast Cancer Screening, a NPO, was assigned the task of breast cancer screening in Mie prefecture in April, 2010. For breast cancer screening in Mie prefecture in 2009, a questionnaire survey was performed toward both consigner and consignee. Consigners were local public offices managing breast cancer screening for local inhabitants, and consignees were facilities offering breast cancer screening. The number of breast cancer screening was investigated toward all 29 of consigners in Mie prefecture. The questionnaire survey was conducted toward all 52 of the facilities possessing mammography systems (breast cancer screening being performed at 48 of them) in Mie prefecture in 2009. We investigated the predictive additional number of breast cancer screening and also investigated the requisite number of staff to achieve the predictive maximum number of breast cancer screening. As a result, the total number of breast cancer screenings was 93,525, and the participation rate was 7.5% which was calculated by reduction of continuator in Mie prefecture in 2009. The continuator accounted for over 30% of all breast cancer screenings. The predictive additional number was 126,950, this indicates that a possible participation rate of 75.2% after 2011. To achieve this high participation rate, active support is essential for short-handed facilities, and about 20% increase of medical staff is necessary. To achieve a participation rate of over 50% as a goal, new screenees should be recruited and breast cancer screening of every other year should be enlightened.

Misc.

 25
  • K Yamakado, N Tanaka, T Nakagawa, S Kobayashi, M Yanagawa, K Takeda
    RADIOLOGY, 225(1) 78-82, Oct, 2002  
    PURPOSE: To evaluate the relationships between tumor size, aneurysm formation, and spontaneous rupture in renal angiomyolipomas. MATERIALS AND METHODS: Twenty-three patients with renal angiomyolipoma were examined with angiography and computed tomography (CT). The single largest lesion in each kidney was evaluated. Tumor size was measured at CT, and aneurysm size was measured at renal angiography. Tumor and aneurysm sizes were compared between the group with ruptured angiomyolipoma and the group with unruptured angiomyolipoma. Multiple regression analysis was performed to identify factors affecting rupture. RESULTS: Twenty-nine kidneys with angiomyolipoma were identified. Eight angiomyolipomas were hemorrhagic; the remaining 21 were not hemorrhagic. Tumor size was larger than 4 cm and aneurysm size was 5 mm or larger in all hemorrhagic lesions. There were significant differences in mean tumor size (11.4 cm +/- 5.5 [SD] vs 5.0 cm +/- 3.1, P < .02) and mean aneurysm size (13.3 mm +/- 6.2 vs 2.4 mm +/- 2.9, P < .02) between the ruptured and unruptured tumor groups. When tumor size of 4 cm or larger and aneurysm size of 5 mm or larger were used as predictors of rupture, sensitivity and specificity, respectively, were 100% and 38% with the former criterion and 100% and 86% with the latter criterion. Multiple regression analysis indicated that aneurysm size was the most important factor linked to rupture. CONCLUSION: Aneurysm formation appears to be related to tumor size, and large aneurysms confer a higher probability of rupture. (C) RSNA, 2002.
  • K Yamakado, N Tanaka, T Nakagawa, S Kobayashi, M Yanagawa, K Takeda
    RADIOLOGY, 225(1) 78-82, Oct, 2002  
    PURPOSE: To evaluate the relationships between tumor size, aneurysm formation, and spontaneous rupture in renal angiomyolipomas. MATERIALS AND METHODS: Twenty-three patients with renal angiomyolipoma were examined with angiography and computed tomography (CT). The single largest lesion in each kidney was evaluated. Tumor size was measured at CT, and aneurysm size was measured at renal angiography. Tumor and aneurysm sizes were compared between the group with ruptured angiomyolipoma and the group with unruptured angiomyolipoma. Multiple regression analysis was performed to identify factors affecting rupture. RESULTS: Twenty-nine kidneys with angiomyolipoma were identified. Eight angiomyolipomas were hemorrhagic; the remaining 21 were not hemorrhagic. Tumor size was larger than 4 cm and aneurysm size was 5 mm or larger in all hemorrhagic lesions. There were significant differences in mean tumor size (11.4 cm +/- 5.5 [SD] vs 5.0 cm +/- 3.1, P < .02) and mean aneurysm size (13.3 mm +/- 6.2 vs 2.4 mm +/- 2.9, P < .02) between the ruptured and unruptured tumor groups. When tumor size of 4 cm or larger and aneurysm size of 5 mm or larger were used as predictors of rupture, sensitivity and specificity, respectively, were 100% and 38% with the former criterion and 100% and 86% with the latter criterion. Multiple regression analysis indicated that aneurysm size was the most important factor linked to rupture. CONCLUSION: Aneurysm formation appears to be related to tumor size, and large aneurysms confer a higher probability of rupture. (C) RSNA, 2002.
  • 臨床放射線, 47(10) 1257-1270, 2002  

Books and Other Publications

 1

Research Projects

 7