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| 1 | Gastrointestinal stromal tumor presenting with prominent calcification显示文摘We present a rare case of a gastrointestinal stromal tumor (GIST) in the stomach with prominent calcifica-tion at presentation. A 61-year-old woman visited our hospital because of epigastric discomfort. A spherical calcified lesion with a diameter of about 30 mm was incidentally shown in the left upper quadrant on an abdominal X-ray. Computed tomography demonstrated that the tumor was growing from the upper gastric body, with calcification in the peripheral ring area. A laparoscopic partial gastrectomy was performed, and the resected specimen revealed a well-circumscribed tumor with exophytic growth from the gastric muscularis propria. Microscopic examination revealed spindle- shaped tumor cells with calcification and hemorrhage. Additionally, positive immunoreactivity of the tumor to KIT and CD34 and a low mitotic index resulted in the diagnosis of very low risk GIST. There are a few case reports of heavily calcified GIST, although solitary or punctate calcification of primary GIST has been reported in several case series. Dystrophic calcification of necrotic or degenerative tissue is the supposed cause of primary calcified GISTs. In contrast, appearance of calcification after administration of imatinib mesylate, which may be one indicator of disease response, is possibly caused by a different mechanism. | Naoki Izawa Takeshi Sawada Ryuichi Abiko Daisuke Kumon Mami Hirakawa Mika Kobayashi Nobuyuki Obinata Masahito Nomoto Tadateru Maehata Shun-ichi Yamauchi Takefumi Kouro Takashi Tsuda Satoshi Kitajima Hiroshi Yasuda Keiichi Tanaka Ichiro Tanaka Masahiro Hoshikawa Masayuki Takagi Fumio Itoh | 2012 | World Journal of Gastroenterology2012，18，39： | 2 |
| 2 | Utilization of silkworm cocoon waste as a sorbent for the removal of oil from water显示文摘 | Hiroshi Moriwaki Shiori Kitajima Masahiro Kurashima Ayaka Hagiwara Kazuma Haraguchi Koji Shirai Rensuke Kanekatsu Kenji Kiguchi | 2008 | Journal of Hazardous Materials2008，，1： | 2 |
| 3 | Short-term and long-term outcome of endoluminal gastroplication for the treatment of GERD: the first multicenter trial in Japan显示文摘 | Soji Ozawa Koichiro Kumai Kazuhide Higuchi Tetsuo Arakawa Mototsugu Kato Masahiro Asaka Natsuya Katada Hiroyuki Kuwano Masaki Kitajima | 2009 | Journal of Gastroenterology2009，，7： | 1 |
| 4 | Complementary roles of pro-gastrin-releasing peptide (ProGRP) and neuron specific enolase (NSE) in diagnosis and prognosis of small-cell lung cancer (SCLC)显示文摘 | Takuo Shibayama Hiroshi Ueoka Kenji Nishii Katsuyuki Kiura Masahiro Tabata Kazuyo Miyatake Takuji Kitajima Mine Harada | 2001 | Lung Cancer2001，，： | 1 |
| 5 | Performance of integrated FDG PET/contrast-enhanced CT in the diagnosis of recurrent colorectal cancer: Comparison with integrated FDG PET/non-contrast-enhanced CT and enhanced CT显示文摘 | Kazuhiro Kitajima Koji Murakami Erena Yamasaki Yasushi Domeki Masahiro Tsubaki Masakatsu Sunagawa Yasushi Kaji Narufumi Suganuma Kazuro Sugimura | 2009 | European Journal of Nuclear Medicine and Molecular Imaging2009，，9： | 1 |
| 6 | Randomized phase II trial of first-line treatment with tailored irinotecan and S-1 therapy versus S-1 monotherapy for advanced or recurrent gastric carcinoma (JFMC31-0301)显示文摘 | Yoshito Komatsu Yutaka Takahashi Yutaka Kimura Hisashi Oda Yusuke Tajima Shigeyuki Tamura Jo Sakurai Takehiro Wakasugi Shigeru Tatebe Masahiro Takahashi Yuh Sakata Masaki Kitajima Junichi Sakamoto Shigetoyo Saji | 2011 | Anti-Cancer Drugs2011，，6： | 1 |
| 7 | Curative Laparoscopic Surgery for Early Gastric Cancer: Five Years Experience显示文摘 | Masahiro Ohgami Yoshihide Otani Koichiro Kumai Tetsuro Kubota Yong-Il Kim Masaki Kitajima | 1999 | World Journal of Surgery1999，，2： | 1 |
| 8 | Curative Laparoscopic Surgery for Early Gastric Cancer: Five Years Experience显示文摘 | Masahiro Ohgami Yoshihide Otani Koichiro Kumai Tetsuro Kubota Yong-Il Kim Masaki Kitajima | 1999 | World Journal of Surgery1999，，2： | 1 |
| 9 | Adult Colonic Intussusception Caused by Cecum Adenoma: Successful Treatment by Emergency Laparoscopy: Report of a Case显示文摘 | Tomotaka Akatsu Masahiro Niihara Kenji Kojima Masaki Kitajima Yuko Kitagawa Shinji Murai | 2007 | Surgery Today2007，，8： | 1 |
| 10 | Adult Colonic Intussusception Caused by Cecum Adenoma: Successful Treatment by Emergency Laparoscopy: Report of a Case显示文摘 | Tomotaka Akatsu Masahiro Niihara Kenji Kojima Masaki Kitajima Yuko Kitagawa Shinji Murai | 2007 | Surgery Today2007，，8： | 1 |
| 11 | Curative Laparoscopic Surgery for Early Gastric Cancer: Five Years Experience显示文摘 | Masahiro Ohgami Yoshihide Otani Koichiro Kumai Tetsuro Kubota Yong-Il Kim Masaki Kitajima | 1999 | World Journal of Surgery1999，，2： | 1 |
| 12 | Utilization of silkworm cocoon waste as a sorbent forthe removal of oil from water显示文摘 | Hiroshi Moriwaki Shiori Kitajima Masahiro Kurashima | 2009 | Journal of Hazardous Ma-terials2009，165，13： | 1 |
| 13 | 石墨表层对四面体非晶炭膜中受激电子的石墨建序化作用显示文摘对滲气阴极真空电弧法制备的四面体非晶炭(ta-C)膜实施氧等离子体刻蚀,消除其表面石墨层后,发现:原沉积膜中ta-C石墨表层的消除会影响其受激电子的石墨建序化。应用发射电子能耗谱,表面增强拉曼光谱和表面敏化X光吸收光谱等测量方法,测定了其表层的消除(程度)。样品的氧等离子体刻蚀阻迟了受激电子的石墨化作用,可能归因于多相成核过程中石墨晶核的缺失之故. | 梁士金 Tatsuya Banno Yutaka Mera Masahiro Kitajima Kunie Ishioka Yoshihisa Harada Yoshinori Kitajima Shik Shin Koji Maeda | 2008 | 新型炭材料2008，23，3： | 0 |
| 14 | Measuring luminal esophageal temperature during pulmonary vein isolation of atrial fibrillation显示文摘AIM:To investigate the luminal esophageal temperature(LET) at the time of delivery of energy for pulmonary vein isolation(PVI).METHODS:This study included a total of 110 patients with atrial fibrillation who underwent their first PVI procedure in our laboratory between March 2010 and February 2011.The LET was monitored in all patients.We measured the number of times that LET reached the cut-off temperature,the time when LET reached the cut-off temperature,the maximum temperature(T max) of the LET,and the time to return to the original preenergy delivery temperature once the delivery of energy was stopped.RESULTS:Seventy-eight patients reached the cut-off temperature.It took 6 s at the shortest time for the LET to reach the cut-off temperature,and 216.5 ± 102.9 s for the temperature to return to the level before the de-livery of energy.Some patients experienced a transient drop in the LET(TDLET) just before energy delivery.Ablation at these sites always produced a rise to the LET cut-off temperature.TDLET was not observed at sites where the LET did not rise.Thus,the TDLET before the energy delivery was useful to distinguish a high risk of esophageal injury before delivery of energy.CONCLUSION:Sites with a TDLET before energy delivery should be ablated with great caution or,perhaps,not at all. | Daisuke Sato Kunihiro Teramoto Hiroki Kitajima Naoto Nishina Yoshitomi Kida Hiroki Mani Masahiro Esato Yeong-Hwa Chun Toshiji Iwasaka | 2012 | World Journal of Cardiology2012，4，5： | 0 |
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