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JPMPH : Journal of Preventive Medicine and Public Health

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Hye Kyoung Yoon 2 Articles
Analysis of Pap Smear Results over Twenty Year Period, 1979-1998.
Ji Won Han, Jin Ho Chun, Dae Hoon Jeong, Ki Tae Kim, Hye Kyoung Yoon
Korean J Prev Med. 2000;33(4):505-512.
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AbstractAbstract PDF
OBJECTIVE
To estimate the significance of the Pap smear as a screening tool for cervical cancer. METHODS: A total of 79,840 Pap smear results performed at Pusan Paik Hospital over the 20 year period from 1979 to 1998 were collected and analyzed. RESULTS: The number of Pap smear cases increased markedly during this period, and the results as a whole were classified as consisting of 96.4% normal and benign cytology, 2.2% pre-cancerous cytology, and 1.4% cervical cancer. The relative frequency of cervical cancer decreased from 1.6% in 1979 to 0.7% in 1998. About 64% of the Pap smears were distributed within the age range of 30 to 49 years, and the rate of cervical cancer increased with age, age of marriage and experience of childbirth (p<0.01). The overall agreement of Pap smear results with histologic diagnosis by one histologic degree was 92.7%(1,128/1,217) with 73 overestimated cases and 16 underestimated cases of Pap smear compared to histologic diagnosis. CONCLUSION: This result implies that the Pap smear is an excellent screening tool for cervical cancer with respect to both its scale and validity. Periodic and active Pap smear testing would be helpful for the secondary prevention of cervical cancer.
Summary
PCR and RFLP-based CYP2D6(B) and CYP2D6(T) Genotyping for Korean Lung Cancer Cases and Controls.
Jin Ho Chun, Chang Hee Lee, Sang Hwa Urm, Byung Chul Son, Jun Han Park, Kui Oak Jung, Chang Hak Sohn, Hye Kyoung Yoon, Choon Hee Son, Hyung In Kim, Jin Seok Kim
Korean J Prev Med. 1998;31(1):1-14.
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The genetically determined CYP2D6 activity is considered to be associated with cancer susceptibility with inter-individual variation. Genetic polymorphism of CYP2D6(B) and CYP2D6(T) was determined by the two polymerase chain reaction(PCR) and BstN1 and EcoN1 restriction fragment length polymorphisms(RFLP) for 67 lung cancer cases and 95 healthy volunteer controls. The cases were composed of 26 squamous cell carcinoma, 14 small cell carcinoma, 10 adenocarcinoma, 3 large cell undifferentiated carcinoma, and 14 not histologically diagnosed. The results were gained from the 142 subjects (57 cases and 85 controls) who observed successfully in two PCR and BstN1/EcoN1 RFLP. Only one and no mutant allele of the CYP2D6(B) and CYP2D6(T) gene was detected, that is, the frequency of mutant allele was very low; 0.7%(1/142) and 0%(0/142), respectively. Detected mutant allele of the CYP2D6(B) was heterozygous type(WM). The odds ratios for lung cancer susceptibility with CYP2D6(B) and CYP2D6(T) genotype were not calculated. These results are similar to the previous understanding that the mutant allele is very rare in Orientals compared to Caucasians, therefore, it considered that CYP2D6(B) and CYP2D6(T) genotypes have maybe no association with lung cancer susceptibility in Koreans. This is the basic data of CYP2D6(B) and CYP2D6(T) genotypes for Koreans. It would be hepful for further study to determine lung cancer susceptibility of Koreans with the data about CYP1A1, CYP2E1, GSTM1 from future study.
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JPMPH : Journal of Preventive Medicine and Public Health