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장선희,민광선,정재걸,윤길숙,이승규,이영상,유은실 대한병리학회 2002 Journal of Pathology and Translational Medicine Vol.36 No.2
The recurrence of viral hepatitis B or C after liver transplantation is almost universal but their clinical courses and outcomes are vary widely. We investigated four cases of rapidly progressive and fatal recurrent viral hepatitis following liver transplantation, which were rapidly progressive and fatal. Case 1 was a 58-year-old male, who developed recurrent viral hepatitis C. Cases 2, 3, and 4 were a 59-year-old female, a 42-year-old male, and a 50-year-old male, respectively, who developed recurrent viral hepatitis B. In cases 1 and 2, the histopathological features of the first liver biopsies were prominent ballooning degeneration of the hepatocytes but later biopsies revealed significant lobular activity. Case 3 began with a marked fatty change and mild lobular and porto-periportal activity and progressed to severe lobular activity and septal fibrosis. In case 4, the first liver biopsy revealed minimal lobular activity but the second biopsy revealed severe lobular activity.
Detectability Test of H2 Lyman-Werner Band Emission for Far-Ultraviolet Imaging Spectrograph, FIMS
선광일,경욱 민,광선 유,대희 이,수종 박,승한 오,용선 박,용하 김,욱원 남,한원용,인수 육,장현 박,종호 신,호진,Eric J. Korpela,Jerry Edelstein,Kaori Nishikida 한국물리학회 2003 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.43 No.42
Molecular hydrogen (H2) is excited by far-ultraviolet (far-UV) photons and emits uorescent emission in the far-UV bands and in the near- and the mid-infrared bands. Observations of H2 in these photodissociation regions (PDRs) are important in tracing star-forming molecular clouds and in understanding the interaction between newly born stars and molecular clouds. We use the typical PDR model of Sternberg to estimate the observing time (or integration time) required to detect PDRs with the Far-ultraviolet IMaging spectrograph (FIMS) onboard KAISTSAT-4, the rst Korean scientic satellite. The observing time is calculated using a formula based on a rigorous hypothesis testing for the detection limit, in contract to the often-used signal-to-noise ratio. The estimated observing time is also compared with the expected exposure time from one-year all-sky survey.