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KMID : 0311119680090020127
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Yonsei Medical Journal
1968 Volume.9 No. 2 p.127 ~ p.138
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Parasitological Studies on Liver Abscess in Cheju Island
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Hong, Soon Ok
Cho, Kee Mok/Chung, Pyung Rim/Soh, Chin Thack
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Abstract
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Clinico-pathological, parasitological, microbiological and immunologic studies were made in 238 of islanders Cheju, a highly endemic area of amebiasis in Korea. Ameba immobilization test was carried out using immunized rabbit sera and several strains
of Entamoeba histolytica. The results are summarized and concluded as follows;
1. The number of males with liver abscess was markedly greater than female, and the largest group distribution was observed in ages 30-39. In liver abscess patients, an increase of white blood cells(W. B. C.) and a decrease of red blood cells(R. B. C. ) was noted. The differential count of W. B. C. showed an increase of segmented neutrophils and a decrease of lymphocytes. The level of total cholesterol and its ester was also diminished, and urobilinogen in patients´ urine was increased in comparison with healthy controls.
2. The detection rate for microorganisms in aspirated liver abscess was 42.1 %. Most of the recovered microorganisms were Gram negative enteric bacilli; Escherichia coli, Alkaligenes fecalis, Aerobacter aerogenes and paracolon group. Fungi and cocci were not observed.
3. In the immobilization test using immune rabbit sera immunized with a 48-hour-culture of E. histolytica, the highest immobilization reaction occurred 45-105 minutes after the beginning of the test and remobilization of the parasite took place gradually. Immobilization of ameba continued for. more hours and at higher rate in the inactivated rabbit sera group, and the differences among ameba strains were not remarkable. In .human amebiasis sera, the highest peak of immobilization reaction occurred at 45-90 minutes after testing with the parasite.
4. Positive rates for the immobilization test according to clinical feature were 83.3-100% in liver abscess cases, 83.3-90.7% in hepatomegaly cases, 45.4% in asymptomatic cyst-passers and 31.5% in healthy controls.
5. For 56 patients who showed a high rate of immobilization, the follow-t p positive rate after treatment for amebiasis was markedly reduced in 2-3 months.
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KEYWORD
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