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( Yuzo Nagai ),( Sinsuke Kazama ),( Daisuke Yamada ),( Takuya Miyagawa ),( Koji Murono ),( Koji Yasuda ),( Takeshi Nishikawa ),( Toshiaki Tanaka ),( Tomomichi Kiyomatsu ),( Keisuke Hata ),( Kazushige 대한피부과학회 2016 Annals of Dermatology Vol.28 No.5
Treatment of perianal and vulvar extramammary Paget disease (EMPD), rare intraepithelial malignancies, is often challenging because of its potential to spread into the anal canal. However, there is still no consensus regarding the optimal resection margin within the anal canal. Between 2004 and 2014, six patients (three with perianal EMPD and three with vulvar EMPD) in which the spread of Paget cells into the anal canal was highly suspected were referred to our department. To evaluate the disease extent within the anal canal, preoperative mapping biopsy of the anal canal was performed in five out of six patients. Two patients were positive for Paget cells within the anal canal (one at the dentate line and the other at 0.5 cm above the dentate line), whereas in three patients, Paget cell were present only in the skin of the anal verge. Using 1 cm margin within the anal canal from the positive biopsy sites, we performed anal-preserving wide local excision (WLE), and negative resection margins within the anal canal were confirmed in all five patients. The remaining one patient with perianal EMPD did not undergo mapping biopsy of the anal canal because preoperative colonoscopy revealed that the Paget cells had spread into the lower rectum. Therefore, WLE with abdominoperineal resection was performed. During the median follow-up period of 37.3 months, no local recurrence was observed in all patients. Our small case series suggest the usefulness of mapping biopsy of the anal canal for the treatment of perianal and vulvar EMPD. (Ann Dermatol 28(5) 624∼628, 2016)
Kim, Jiyoung,Kim, Jhoon,Cho, Hi-Ku,Herman, Jay,Park, Sang Seo,Lim, Hyun Kwang,Kim, Jae-Hwan,Miyagawa, Koji,Lee, Yun Gon Copernicus GmbH 2017 Atmospheric measurement techniques Vol.10 No.10
<P><p><strong>Abstract.</strong> Daily total column ozone (TCO) measured using the Pandora spectrophotometer (no. 19) was compared with data from the Dobson (no. 124) and Brewer (no. 148) spectrophotometers, as well as from the Ozone Monitoring Instrument (OMI) (with two different algorithms, Total Ozone Mapping Spectrometer (TOMS) TOMS and differential optical absorption spectroscopy (DOAS) methods), over the 2-year period between March 2012 and March 2014 at Yonsei University, Seoul, Korea. Based on the linear-regression method, the TCO from Pandora is closely correlated with those from other instruments with regression coefficients (slopes) of 0.95 (Dobson), 1.00 (Brewer), 0.98 (OMI-TOMS), and 0.97 (OMI-DOAS), and determination coefficients (R2) of 0.95 (Dobson), 0.97 (Brewer), 0.96 (OMI-TOMS), and 0.95 (OMI-DOAS). The daily averaged TCO from Pandora has within 3<span class='thinspace'></span>% differences compared to TCO values from other instruments. For the Dobson measurements in particular, the difference caused by the inconsistency in observation times when compared with the Pandora measurements was up to 12.5<span class='thinspace'></span>% because of diurnal variations in the TCO values. However, the comparison with Brewer after matching the observation time shows agreement with large <i>R</i><sup>2</sup> and small biases. The TCO ratio between Brewer and Pandora shows the 0.98<span class='thinspace'></span>±<span class='thinspace'></span>0.03, and the distributions for relative differences between two instruments are 89.2 and 57.1<span class='thinspace'></span>% of the total data within the error ranges of 3 and 5<span class='thinspace'></span>%, respectively. The TCO ratio between Brewer and Pandora also is partially dependent on solar zenith angle. The error dependence by the observation geometry is essential to the further analysis focusing on the sensitivity of aerosol and the stray-light effect in the instruments.</p> </P>