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전이경,이희철 한국모자보건학회 2016 한국모자보건학회지 Vol.20 No.2
Human embryology is the study of development from a single cell to a baby in 9 months. Implantation occurs at the end of the first week of development. The second week of development is known as the week of 2’s. Gastrulation, the most characteristic event occurring in the third week, establishes three germ layers composed of ectoderm, mesoderm, and endoderm. The three germ layers and neural crest cells lead to the development of their own tissues and organs during the embryonic period, which extends from the third to the eighth week. Major congenital malformations occur in the embryonic period. The fetal period, from the third month to the day of birth, is the time for maturation of tissues and organs, and growth of the body. Because of the close relationship between embryology and congenital abnormalities, knowledge of human development is essential to assess the effects on the embryo when the mother has been exposed to teratogens. This paper briefly reviews the normal embryonic development and associated congenital malformation.
자궁경부와 질에 발생한 연화판증의 세포소견 -1예 보고-
전이경,홍성란,김혜선,김지영,김복만,김희숙,Chun, Yi-Kyeong,Hong, Sung-Ran,Kim, Hye-Sun,Kim, Ji-Young,Kim, Bok-Man,Kim, Hy-Sook 대한세포병리학회 2008 대한세포병리학회지 Vol.19 No.2
Malakoplakia is an uncommon chronic granulomatous inflammation that usually involves the urinary and gastrointestinal tracts, but rarely affects the female genital tract. We experienced a case of malakoplakia in a cervicovaginal smear in a 54-year-old woman. Colposcopic examination showed a friable, easily bleeding tissue in the uterine cervix and the vaginal fornix. The cervicovaginal smear consisted of numerous isolated histiocytes, polymorphonuclear leukocytes, lymphocytes, and plasma cells. The histiocytes had an abundant, granular, and degenerated cytoplasm with inflammatory cell debris. Michaelis-Gutmann bodies were readily identified.
유방의 수질암종의 세침흡인 세포학적 소견 - 1예 보고 -
전이경,고일향,Chun, Yi-Kyeong,Ko, Ill-Hyang 대한세포병리학회 1994 대한세포병리학회지 Vol.5 No.1
Medullary carcinoma (MC) of the breast is an uncommon histologic form of infiltrating ductal carcinoma and the cytologic features of MC are not well delineated. We recently experienced a case of fine needle aspiration cytology of MC of the breast. The characteristic cytopathologic features were cellular aspirate consisting of large, pleomorphic cells in background of many single to clusters of lymphocytes.
전이경,김혜선,홍성란,지제근 대한의학회 2010 Journal of Korean medical science Vol.25 No.6
We report two autopsy cases that revealed the partial absence of the septum pellucidum with ventriculomegaly. In each case, the brain showed mild dilatation of both frontal horns of the lateral ventricles, normal third and fourth ventricles and no aqueductal stenosis. The posterior portion of the septum pellucidum was absent and the fornices were fused in a single midline nodule, abnormally displaced to a caudal position and lodged in the foramina of Monro. The brain base showed no apparent abnormalities;the optic nerves were well developed. We conclude that the caudally displaced fornix in the absence of the septum pellucidum may have intermittently obstructed the foramina of Monro and induced mild ventriculomegaly.
전이경,홍성란,김혜선,김지영,김희숙 대한병리학회 2009 Journal of Pathology and Translational Medicine Vol.43 No.5
Background : The study evaluated the histologic correlation and clinical significance of atypical glandular cells (AGC) detected either on conventional smears (CS) or liquid-based cytology (LBC). Methods : Two hundred and seventy-seven (0.11%) of 261,925 cervical smears were interpreted as AGC by the Bethesda system 2001 from January 2006 to December 2008. Cytohistological correlation was performed on 192 cases. Results : The prevalence of AGC was 0.07% and 0.13% for CS and LBC smears, respectively. Distribution of AGC subcategories were as follows: atypical endometrial cells 53.8%, atypical endocervical cells 22.7%, atypical glandular cells 19.5%, atypical endocervical cells favoring neoplasia 2.2%, and atypical glandular cells favoring neoplasia 1.8%. Fifty-nine (27.4%) of 192 patients were confirmed as having clinically significant lesions comprising endometrial adenocarcinoma (12.5%), endometrial hyperplasia (6.0%), cervical adenocarcinoma (2.3%), high-grade squamous intraepithelial lesion (HSIL) (1.9%), low-grade SIL (1.9%), adenocarcinoma in situ (1.4%), or ovarian metastasis (1.4%). Conclusion : Compared with CS, LBC was presently associated with a higher prevalence of AGC. Histologic follow-up showed a very low HSIL rate compared to other studies. Endometrial adenocarcinoma was the most common malignant lesion detected because of increasing prevalence of endometrial adenocarcinoma, concentration on endometrial cytology, and introduction of LBC.
Neuroendocrine Tumors of the Female Reproductive Tract: A Literature Review
전이경 대한병리학회 2015 Journal of Pathology and Translational Medicine Vol.49 No.6
Neuroendocrine tumors of the female reproductive tract are a heterogeneous group of neoplasms that display various histologic findings and biologic behaviors. In this review, the classification and clinicopathologic characteristics of neuroendocrine tumors of the female reproductive tract are described. Differential diagnoses are discussed, especially for non-neuroendocrine tumors showing high-grade nuclei with neuroendocrine differentiation. This review also discusses recent advances in our pathogenetic understanding of these disorders.
자궁내 발달지연과 정상 말기임신 태반에서의 Telomerase 활성도와 MIB-1 및 Fas, Fas Ligand 발현차이에 관한 연구
전이경,홍성란,양문호 대한병리학회 2005 Journal of Pathology and Translational Medicine Vol.39 No.1
Background : The placenta from a pregnancy that is complicated by intrauterine growth retardation (IUGR) tends to be smaller than that from a normal pregnancy. To investigate this difference, we analyzed the telomerase activity, the proliferative activity and the mRNA levels of apoptosis mediators in placentas. Methods : In 20 placentas from normal third-trimester pregnancies and 22 placentas form pregnancies that were complicated by IUGR, the telomerase activity was detected by a telomeric repeat amplification protocol assay. The proliferative activity was assessed by immunohistochemical staining using the MIB-1 monoclonal antibody. The expression of the apoptosis mediator was evaluated by semi-quantitative reverse transcription-polymerase chain reactions for fas and fas ligand. Results : Telomerase activity was detected in 2 (10%) of 20 normal placentas, whereas it was not observed in all tested 13 placentas that were associated with IUGR. The proliferative activity was significantly low in the placentas that were associated with IUGR (7.44 2.96%), compared with the normal placentas (11.0 3.48%, p=0.002). There was no statistically significant difference in the mRNA levels of fas or fas ligand between two groups. Conclusions : Low telomerase and proliferative activities in the placenta may play a role in the pathogenesis of IUGR.
전이경,서연림 인제대학교 1993 仁濟醫學 Vol.14 No.3
본 연구결과 위암종에서 DNA ploidy는 환자의 나이와 성별, 종양의 침습 깊이와 림프절 전이 유무, 임상 병기 및 조직학적 유형과 통계학적인 연관성이 없었고, 동일 종양의 부위에 따른 DNA stemline 의 이질성을 보였다. 따라서 본 연구결과는 위암종의 DNA ploidy를 정확히 분석하려면 여러 부위에서의 표본채취가 요구된다는 것을 제시해 준다. We analyzed the DNA content of 40 gastric carcinomas using the flowcytometry. In 19 of 40 cases, the DNA content was measured separately in the superficial and deeper portions of a tumor. All were advanced gastric carcinomas. Twenty seven tumors(67.5% ) were aneuploid. There was no relationship between the ploidy and the clinical parameters, such as, age and sex of patients, histologic type and differentiation of a tumor, depth of tumor invasion, lymph node metastasis and tumor stage. Intratumoral differences in DNA ploidy were observed in 2 of 19 cases(10.5%). Therefore, to determine an accurate DNA ploidy, one must analyze multiple samples from the tumor specimen, because cases exist where subpopulation with DNA aneuploidy are detected only at limited sites within the same tumor.