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Right colon cancer presenting as hemorrhagic shock

World Journal of Gastrointestinal Pathophysiology 2011年第1期2卷 15-18页

作者： Tomoyuki Iwata Kazuo Konishi Takahisa Yamazaki Katsuya Kitamura Atsushi Katagiri Takashi Muramoto Yutaro Kubota Yuichiro Yano Yoshiya Kobayashi Toshiko Yamochi Nobuyuki Ohike Masahiko Murakami Takehiko Gokan nozomi yoshikawa Michio Imawari Division of Gastroenterology Department of MedicineShowa University School of Medicine Second Department of Pathology Showa University School of Medicine First Department of Pathology Showa University School of Medicine Division of Gastroenterogical Surgery Department of SurgeryShowa University School of Medicine Department of Radiology Showa University School of Medicine Endoscopic Center Showa University HospitalShowa University School of Medicine

A 67-year-old man visited our hospital with a history of continuous hematochezia leading to hemorrhagic *** abdominal computed tomography scan re-vealed a large mass in the ascending colon invading the duodenum and pancreatic head as well as extra-vasation of blood from the gastroduodenal artery(GDA) into the *** revealed an irregular ulcerative lesion and stenosis in the ascending ***,right hemicolectomy combined with pylorus-preser ving pancreaticoduodenectomy was ***,the tumor was classified as a moderately differentiated ***,cancer cells were mainly located in the colon but had also invaded the duode-num and pancreas and involved the ***,the tumor cells were positive for cytokeratin(CK)20 and carcinoembryonic antigen(CEA)but not forCK7 and carbohydrate antigen(CA)*** patient died 23 d after the surgery because he had another episode of arterial bleeding from the anastomosis *** En bloc resection of the tumor with pancreatico duodenectomy and colectomy performed for locally advanced colon cancer can ensure long-term survival,patients undergoing these procedures should be carefully monitored,particularly when the tumor involves the main artery.

关键词： Colon cancer Hemorrhagic shock Adjacent organs invasion En bloc resection Complication

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Calcified Nodule Formation <i>in Vitro</i>Using Rat Mandibular Incisor Pulp Cells

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Journal of Biomedical Science and Engineering 2018年第12期11卷 327-337页

作者： Hideaki Ikenaga Masataka yoshikawa Ayano Miyamoto Hitomi Nakama Ikuo Nishikawa Satoshi Teramoto Hiroaki Aso nozomi Matsuo Hiroshi Maeda Department of Endodontics Osaka Dental University Osaka Japan

One great advantage of bone marrow is that a large number of stem cells can be obtained. However, stem cells cannot be taken from the bone marrow of a patient for the purpose of regenerating teeth. In dental practice, it may not be practical to obtain mesenchymal stem cells for the regeneration of the tooth from iliac bone marrow, as in orthopedics. Therefore, establishment of a cell source for tooth regeneration is one of the important problems in the field of regenerative medicine. Although the isolation of undifferentiated mesenchymal stem cells or odontoblasts from dental pulp may be difficult, dental pulp may be a favorable source for stem cells to regenerate a tooth via tissue engineering. As a fundamental study for tooth regeneration, this study was performed in order to clarify the culture periods for proliferation and differentiation using rat dental pulp-derived cells. The results of this study were as follows: Primary culture of the dental pulp cells does not require a long period of time. However, for sufficient proliferation of dental pulp cells to form a calcified nodule in the secondary culture, a long culture period is required. Dexamethasone was essential for the formation of calcified nodules by dental pulp-derived cells. Calcified nodule formation by dental pulp-derived cells in vitro required more than one month. The duration of the secondary culture for the dental pulp-derived cells will be much longer.

关键词： Calcified Nodule In Vitro Dental Pulp Cells Bone Marrow Cells Dexamethasone

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Astrometric VLBI Observation of Spacecraft with Phase Delay

Astrometric VLBI Observation of Spacecraft with Phase Delay

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2004无线电科学国际会议

作者： Mamoru Sekido Ryuichi Ichikawa Hiro Osaki Tetsuro Kondo Yasuhiro Koyama Makoto yoshikawa Takafumi Ohnishi Wayne Cannon Alexander Novikov Mario Berube National Institute of Information and Communications Technology Kashima Space Research Center 893-1 Hirai Kashima Ibaraki 314-8501 Japan National Institute of Information and Communications Technology Kashima Space Research Center 893-1 Hirai Kashima Ibaraki 314-8501 Japan National Institute of Information and Communications Technology Kashima Space Research Center 893-1 Hirai Kashima Ibaraki 314-8501 Japan National Institute of Information and Communications Technology Kashima Space Research Center 893-1 Hirai Kashima Ibaraki 314-8501 Japan National Institute of Information and Communications Technology Kashima Space Research Center 893-1 Hirai Kashima Ibaraki 314-8501 Japan Institute of Space and Astronautical Sciences/JAXA 3-1-1 Yoshinodai Sagamihara Kanagawa 229-8510 Japan Advanced Science Solutions Group/Fujitsu Limited. 4-1-1 Kamikodanaka Nakahara-ku Kawasaki Kanagawa 211-8588 Japan Space Geodynamics Laboratory Department of Physics and Astronomy York University 4700 Keele Street Toronto Ontario M3J 1P3 Canada Space Geodynamics Laboratory Department of Physics and Astronomy York University 4700 Keele Street Toronto Ontario M3J 1P3 Canada Geodetic Survey Division/Natural Resources Canada 615 Booth Street Room 440 Ottawa OntarioK1A 0E9 Canada.

A series of VLBI observations for spacecraft nozomi was performed in the period between the end of 2002 and July 2003 with aim of supporting the orbit determi- nation. We have made astrometric anal

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