No abstract available.
Allografts* ; Cartilage*

No abstract available.
Humans ; Mitral Valve* ; Tricuspid Valve*

No abstract available.
Arm* ; Blood Component Transfusion* ; Hospitals, General*

No abstract available.
Coronary Vessels* ; Mammary Arteries* ; Transplants*

This paper shows anthropometric differences among four regions of urban community using Korean anthropometric data surveyed in 1992. The anthropometric data include 84 measurements of Korean aged 12~50. The principal component analysis reduce 84 measures to five components. The discriminant analysis using these components is performed to observe the anthropometric differences among four regions : Seoul and Kyungki, Kangwon and Chungbuk, Chungnam and Ch lla, Kyungsang. The results on age groups (12~14, 15~17, 18~24, 25~50 ages) and city size (big city, medium city, small city) can be summarized as follows ; 1) In male aged 12~14 and 15~17, there are significant differences of anthropometry among four regions in all city size. But in another age groups (18~24 and 25~50 ages), these are not significant differences of anthropometry among four regions except medium city. 2) In female, there are significant differences of anthropometry in all city sloe in aged 18~24 and 25~50 and in medium city in aged 15~17. however, there are not significant differences in aged 12~14 and 15-17.
Anthropometry ; Chungcheongbuk-do ; Chungcheongnam-do ; Discriminant Analysis ; Female ; Gangwon-do ; Humans ; Male ; Principal Component Analysis ; Seoul

No abstract available.
Temperament*

No abstract available.
Humans

The term "pineal anlage tumor" has been recently proposed and few cases have been reported. We report the first Korean case of pineal anlage tumor in a 6-year-old girl who complained of headache and vomiting for 2 months. Brain MRI revealed a well defined, lobulated, calcifying mass in the pineal region. Tumor was totally removed. Pathological examination revealed a primitive pineal parenchymal tumor with melanotic epithelial component that was similar to histologic findings of melanotic neuroectodermal tumor of infancy, so-called retinal anlage tumor and of the developing pineal gland. The tumor was composed mostly of small, undifferentiated cells, Flexner-Wintersteiner rosettes, and ganglionic differentiation. The tumor also contained the cartilage and skeletal muscle cells.
Brain ; Cartilage ; Child ; Female ; Ganglion Cysts ; Headache ; Humans ; Magnetic Resonance Imaging ; Muscle, Skeletal ; Neuroectodermal Tumor, Melanotic ; Pineal Gland ; Pinealoma ; Vomiting

The association rate of antibody with antigen has been reported to be greatly increased by lowering ionic strength. Low-ionic strength salt solution(LISS) method has been used for the detection of various alloantibodies. To investigate the sensitivity of LISS in indirect antiglobulin test, a comparison study of LISS with saline and albumin methods was conducted. A total of 32 patients' samples requested for indirect antiglobulin test were evaluated. Out of 32 patients with clinical immune hemolytic anemia, 11(34.3%) were positive in 37 degrees C saline antiglobulin test, 18(56.2%) in albumin antiglobulin test, 23(71.8%) in LISS antiglobulin test respectively. These results were statistically analyzed using non parametric Page's test for ordered alternatives. LISS method is more sensitive than 37 degrees C saline method or albumin method significantly (p<0.01).
Anemia, Hemolytic ; Coombs Test* ; Humans ; Isoantibodies ; Osmolar Concentration

Although many studies on the cytotoxicity of the dental cast metal alloys and their components have been carried out, the results are rather conflicting because of the different type of cells used and the various experimental procedures taken. Recently, a number of scientists have claimed that it would be preferable to focus on the use of cells from relevant specific location of the human bodies. Consequently, the primary cultured oral keratinocyte derived from oral mucous along with nickel chloride and several of widely used dental cast base metal alloys(two-Ni-Cr alloys and one Co-Cr alloy)in domestic were selected for this study, from which 1) The amounts of released metal ions were determined using atomic absorption spectrometry, 2) The cytotoxicity of nickel chloride and dental cast base metal alloys was evaluated via MTT assay, and finally, 3) The amounts of released metal ions and the cytotoxicity of nickel chloride were correlated with the cytotoxicity of dental cast base metal alloys And, the results were summarized as follows ; 1. Nickel ion from Ni-Cr alloys and Cobalt ion from Co-Cr alloys resulted in maximum releasing rate during first 24 hours, followed by a decrease in releasing rate with time. Chromium ion were found to be minimal in all alloys. 2. In cytotoxic test, with 40muM, 80muM of nickel chloride, there were observed an increase in the relative cell number compared to control samples after 24 hours. With 160muM, there was found to be no difference in the relative cell number with control, except that 48 hour showed a increase in relative cell number. With 320muM, the relative cell number remained constant and decreased after 48 hours, and with 640muM, a continuing decrease in relative cell number was observed throughout test period. 3. The sensitivity of primary cultured oral epithelium to nickel was lower compared to the cells used in other studies. 4. CB-80 Soft and Regalloy showed no cytotoxicity to primary cultured oral epithelium and New crown resulted in a slight cytotoxicity. In conclusion, it was shown that the primary cultured oral keratinocytes could be applied successfully as testing cells in cytotoxicity test. Futhermore, the dental cast base metal alloys used in this study were found to be biocompatible.
Absorption ; Alloys* ; Cell Count ; Chromium ; Cobalt ; Crowns ; Epithelium ; Human Body ; Humans* ; Ions ; Keratinocytes* ; Nickel ; Spectrum Analysis