• Title/Summary/Keyword: 후각 민감도

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Ascitic Fluid Analysis for the Differentiation of Malignancy-Related and Nonmalignant Ascites (악성 복수와 비악성 복수의 감별을 위한 복수액 분석)

  • Lee, Eun-Young;Kim, Byeoung-Deok;Choi, Jae-Hyuk;Lee, Sang-Yeop;Ryu, Hun-Mo;Lee, Kyung-Hee;Hyun, Myung-Soo
    • Journal of Yeungnam Medical Science
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    • v.16 no.1
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    • pp.76-84
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    • 1999
  • The differentiation between malignancy-related ascites(MRA) and non-malignant ascites (NMA) is important for further diagnostic and therapeutic purposes. Although many parameters were investigated, none has provided a complete distinction between MRA and NMA. We investigated several ascitic fluid parameters to determine the differential power, and to differentiate malignant-related from nonmalignant-related ascites with a sequence of sensitive parameters followed by specific parameters. For the present study, 80 patients with ascites were divided into two groups: MRA and NMA, The MRA group was consisted of 27 patients with proven malignancy by image study, biopsy, and follow up: 21 of these patients had peritoneal carcinomatosis, but the remaining 6 showed no evidence of peritoneal carcinomatosis. The NMA group was consisted of 53 patients with no evidence of malignancy: among these patients, one had SLE, and others had liver cirrhosis, The samples of blood and ascites were obtained simultaneously, and then the levels of ascites cholesterol, CEA. protein and LDH, cytology, albumin gradient, ascites/serum concen-tration ratios of LDH(LDH A/S), and ascites/serum concentration ratios of protein(protein A/S) were measured. Applying cut-off limits for determined parameters, we estimated the diagnostic efficacy of each parameter, Among the eight parameters investigated, ascites fluid cholesterol yielded the best sensitive value of 93%(cut-off value 30mg/dl), and cytologic examination and the protein A/S(cut-off value 0.5) showed the most specific value of 100% and 96%, respectively. Based on the above results, the diagnostic sequence with cholesterol as a sensitive parameter followed by the combination of cytologic examination and protein A/S as specific parameters, was tested in 80 patients. This diagnostic sequence identified 81.5% of patients with malignancy, and all patients with peritoneal carcinomatosis were classified as malignancy-related ascites. In spite of many limitations, this proposed diagnostic sequence may permit a cost-effective and simple differentiation of malignancy-related ascites from nonmalignant ascites.

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Effects of Egg-plant as a Trap Plant Attracting Bemisia tabaci Genn. (Hemiptera: Aleyrodidae) Adults Available on Tomato Greenhouses (트랩식물로써 토마토에 대한 가지의 담배가루이 유인효과)

  • Choi, Yong-Seok;Seo, Jeong-Hak;Whang, In-Su;Kim, Gyung-Je;Choi, Byeong-Ryeol;Jeong, Tae-Woo
    • Korean journal of applied entomology
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    • v.54 no.4
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    • pp.311-316
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    • 2015
  • This study was performed to ascertain the potential of egg plant for use as a trap plant to attract Bemisia tabaci adults compared to that of tomato. Choice tests were conducted to compare the preference of B. tabaci adults to horseweed, egg-plant, cucumber, and tomato. B. tabaci adults were found to be more sensitive to visual cues than to odor cues, and they preferred the egg-plant and cucumber to horseweed. The attraction rates of the egg-plant and cucumber to B. tabaci adults were 82.3% and 82.5% respectively, compared to that of tomato. Because egg-plants are easier to manage compared to cucumber, we excluded cucumber from subsequent experiment. The attraction rate of egg-plant to B. tabaci adults was >90% when the height of egg-plant was equal or more than that of the tomato plant.