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In vivo detection of mucosal healing-involved histiocytes by confocal laser endomicroscopy

World Journal of Gastroenterology 2012年第32期18卷 4447-4449页

作者： Gheorghe Hundorfean Abbas Agaimy Mircea T Chiriac Walter GeiBdrfer jochen wacker Markus F Neurath Jonas Mudter Medical ClinicⅠ University of ErlangenNuremberg91054 ErlangenGermany Institute of Pathology University of Erlangen-Nuremberg91054 ErlangenGermany Microbiology Institute-Clinical Microbiology Immunology and HygieneUniversity of Erlangen-Nuremberg91054 ErlangenGermany Medical Clinic Ⅲ University of Erlangen-Nuremberg91054 ErlangenGermany

Histiocytes have a pivotal role in wound repair and intestinal epithelial recovery-the most important goal to sustain gut ***,an in vivo description of colonic histiocytes by confocal laser endomicroscopy(CLE) is ***,we report the case of a 45-yearsold male patient who was referred to our clinic with weight loss and a history of two consecutive Clostridium difficile colitis episodes,the latter cured 3 wk before present *** microbiology was *** colonoscopy showed atrophy and a light mucosal oedema in the distal *** on-going endoscopy,we performed a fluorescein-aided CLE which revealed large polygonal(histiocytes-like) cells with copious cytoplasm and large nuclei in the lamina propria of the sigmoid colon as well as regenerative epithelial *** assessment of biopsies from the same areas confirmed the endomicroscopical findings:Periodic acid-Schiff-and CD68-positive foamy histiocytes in the colonic lamina propria and an advanced epithelial *** stool microbiology was repeatedly negative and polymerase chain reaction-analysis from colonic biopsies could not detect any mRNA for Thropheryma whippleii and common pathogens,we interpreted this particular setting as a mucosal healing process after consecutive Clostridium difficile *** conclusion,by describing these colonic histiocytes,we highlight the clinical usefulness of CLE in describing the entity of histiocytes in vivo and in real-time during the process of post-infectious mucosal healing in the colon.

关键词： Endomicroscopy Mucosal healing Advanced colonic imaging Colonic histiocytes

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