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Norio Yamamoto,Hirofumi Kosaka,Kosaku Higashino,Masatoshi Morimoto,Kazuta Yamashita,Fumitake Tezuka,Fumio Hayashi,Yoichiro Takata,Toshinori Sakai,Akihiro Nagamachi,Koichi Sairyo 대한척추외과학회 2018 Asian Spine Journal Vol.12 No.2
Study Design: Retrospective study of 37 consecutive female patients with cervical spondylotic myelopathy who underwent reconstructed computed tomography (CT) scanning of the cervical spine. Purpose: The purpose of this study was to investigate whether the vertebral lateral notch of the cervical spine is an effective landmark to determine the entry point for lateral mass screwing. A modified Roy-Camille technique was used to determine the entry point associated with the lateral notch of the cervical spine. Overview of Literature: The Roy-Camille technique has been a popular technique for the posterior fixation of the cervical spine. A problem with this technique is determining the entry point on the lateral mass via visual inspection, such as in cases with degenerative or destructive cervical facet joints. Methods: Thirty-three female patients with cervical spondylotic myelopathy underwent reconstructed CT scanning of the cervical spine. Overall, 132 vertebrae from C3 to C6 were reviewed using reconstructed CT. The probable trajectory using a modified Roy- Camille technique was determined using reconstructed CT scans, and the optimal entry point was identified. Horizontal and vertical distances from the vertebral lateral notch were measured. Results: The entry point determined using the modified Roy-Camille technique was significantly superior and medial compared with that determined using the conventional Roy-Camille technique. At C3 and C4 levels, the entry point using the modified technique was 1.4 mm below and 4.4 mm medial to the lateral notch, and at C5 and C6 levels, it was 2.3 mm below and 4.9 mm medial to the lateral notch. Conclusions: The vertebral lateral notch of the cervical spine was an effective landmark to determine the entry point for lateral mass screwing. The modified Roy-Camille technique proposed here may prevent surgical complications and poor outcomes.
( Nobuhisa Watanabe ),( Mitsuyasu Takata ),( Katsuya Yamamoto ),( Yuki Haga ) 한국폐기물자원순환학회(구 한국폐기물학회) 2015 한국폐기물자원순환학회 3RINCs초록집 Vol.2015 No.-
Determination of gaseous organofluoro compounds in off-gas from thermal treatment of perfluorooctanoic acid(PFOA) adsorbed onto granular activated carbon(GAC) was studied. Atmospheric pressure helium radiofrequency barrier discharge atomic emission spectroscopy(He-rfBD-AES) to determine gaseous organofluoro compounds was optimized to achieve detection limit of 6.9 ngF. Thermal treatment of PFOA on GAC in nitrogen stream at 700 °C was tested in laboratory. Mineralized fluorine, remaining perfluorocarboxylic acids and gaseous organofluoro compounds were determined to be 33.2%, less than 0.05% and 13.2%. However, 53.6% was still missing.
( Masaya Iwamuro ),( Masato Okuda ),( Eiichiro Yumoto ),( Seiyuu Suzuki ),( Atsuko Shirakawa ),( Katsuyoshi Takata ),( Tadashi Yoshino ),( Hiroyuki Okada ),( Kazuhide Yamamoto ) 대한간학회 2013 Gut and Liver Vol.7 No.2
The representative endoscopic features of primary intestinal follicular lymphoma are well known as small whitish polypoid nodules, but a magnified view has only been described in a few case reports. Herein, we report a case with intestinal follicular lymphoma in which magnifying endoscopy with narrow band imaging was helpful for prompt diagnosis. A 57-year-old Japanese woman underwent surveillance esophagogastroduodenoscopy. The endoscopic examination revealed confluent whitish granules in the duodenum, distinct from the nodules or polyps that are typical findings of intestinal follicular lymphoma. Magnifying endoscopy visualized whitish enlarged villi, and narrow band imaging emphasized an elongated and coiled vascular pattern. Based on these features, intestinal follicular lymphoma was highly suspected, and subsequent histological study confirmed the diagnosis. This case demonstrates that magnifying endoscopy with narrow band imaging was useful for the detection and prompt diagnosis of intestinal follicular lymphoma. The pathological features of intestinal follicular lymphoma are also discussed. (Gut Liver 2013;7:258-261)