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( Ken Hatogai ),( Naoki Hosoe ),( Hiroyuki Imaeda ),( Jean Francois Rey ),( Sawako Okada ),( Yuka Ishibashi ),( Kayoko Kimura ),( Kazuaki Yoneno ),( Shingo Usui ),( Yosuke Ida ),( Nobuhiro Tsukada ),( 대한소화기학회 2012 Gut and Liver Vol.6 No.2
Background/Aims: A flexible spectral imaging color enhancement system was installed in new capsule software for video capsule endoscopy. Contrast image capsule endoscopy (CICE) is a novel technology using light-emitting diodes selected for the main absorption range of hemoglobin. We assessed the feasibility and diagnostic effi cacy for small bowel surveillance in patients with polyposis syndromes. Methods: Six patients with polyposis syndromes, four with familial adenomatous polyposis and one each with Cowden syndrome (CS) and Cronkhite-Canada syndrome (CCS) were examined using CICE. We conducted three evaluations to assess the effect on the numbers of the detected polyps; compare polyp diagnostic rates between adenoma and hamartoma; and assess polyp visibility. Results: The numbers of detected polyps and diagnostic accuracy did not differ signifi cantly between pre-contrast and contrast images. However, 50% of the adenomatous polyps displayed enhanced visibility on contrast images. CICE contrast images exhibited clearly demarcated lesions and improved the visibility of minute structures of adenomatous polyps. Hamartomatous polyp micro-structures in patients with CS and CCS were more clearly visualized on contrast than pre-contrast images. Conclusions: CICE is an effective tool for enhancing the visibility of polyps in patients with polyposis syndrome. (Gut Liver 2012;6:218-222)
Sayed Samim Rahpaya,Shinobu Tsuchiaka,Mai Kishimoto,Mami Oba,Yukie Katayama,Yuka Nunomura,Saki Kokawa,Takashi Kimura,Atsushi Kobayashi,Yumi Kirino,Tamaki Okabayashi,Nariaki Nonaka,Hirohisa Mekata,Hiro 대한수의학회 2018 Journal of Veterinary Science Vol.19 No.3
Bovine abortion, diarrhea, and respiratory disease complexes, caused by infectious agents, result in high and significant economic losses for the cattle industry. These pathogens are likely transmitted by various vectors and reservoirs including insects, birds, and rodents. However, experimental data supporting this possibility are scarce. We collected 117 samples and screened them for 44 bovine abortive, diarrheal, and respiratory disease complex pathogens by using Dembo polymerase chain reaction (PCR), which is based on TaqMan real-time PCR. Fifty-seven samples were positive for at least one pathogen, including bovine viral diarrhea virus, bovine enterovirus, Salmonella enterica ser. Dublin, Salmonella enterica ser. Typhimurium, and Neospora caninum; some samples were positive for multiple pathogens. Bovine viral diarrhea virus and bovine enterovirus were the most frequently detected pathogens, especially in flies, suggesting an important role of flies in the transmission of these viruses. Additionally, we detected the N. caninum genome from a cockroach sample for the first time. Our data suggest that insects (particularly flies), birds, and rodents are potential vectors and reservoirs of abortion, diarrhea, and respiratory infectious agents, and that they may transmit more than one pathogen at the same time.