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Associations of night shift status during pregnancy with birth outcomes
Se Jin Lee(Se Jin Lee),Chorong Kim(Chorong Kim),Eun Ju Lee(Eun Ju Lee),Myoung-Nam Lim(Myoung-Nam Lim),Jeeyoung Kim(Jeeyoung Kim),Sunghun Na(Sunghun Na),Woo Jin Kim(Woo Jin Kim),Ko-CHENS study group(Ko 한국환경보건학회 2022 한국환경보건학회 학술대회 자료집 Vol.2022 No.5
Complex endometrial hyperplasia with cervical polyp in a virgin young woman
( Chorong Kim ),( Boram Lee ),( Heejoo Hong ),( Darae Lee ),( Yoon Hyeon Hu ),( Tae Yeon Kim ),( Yung-taek Ouh ),( Tae Gyu Ahn ),( Hyang Ah Lee ),( Sunghun Na ),( Jong Yun Hwang ),( Dong Hun Lee ),( S 대한산부인과학회 2021 대한산부인과학회 학술대회 Vol.107 No.-
High Grade Squamous Intraepithelial Lesion with Endocervical Myoma
( Chorong Kim ),( Yoon Hyeon Hu ),( Darae Lee ),( Tae Gyu Ahn ),( Hyang Ah Lee ),( Jong Yun Hwang ),( Dong Hun Lee ),( Se Jin Lee ),( Sunghun Na ) 대한산부인과학회 2020 대한산부인과학회 학술대회 Vol.106 No.-
High grade squamous intraepithelial lesion (HSIL) is a squamous cell abnormality. They are usually caused by chronic infection with certain types of human papillomavirus (HPV) and are found when a Pap test or biopsy are done. A 48-year-old woman visited emergency room because of lower abdominal pain. She had also vaginal bleeding since two weeks ago. In the test, urine hCG was negative. Ultrasonographic findings showed that about 7cm heteroechogenic round mass was in the endocervical canal. Computed Tomography (CT) showed About 7.7cm round mass of subtle enhancement in endocervical canal or left lateral wall of endocervical canal and hemorrhage in posterior to this lesion. Therefore, uterine myoma (submucosal or pedunculated) or infarcted polyp with hydrometra was suspected, and the next day hysterectomy was planned. She had hysterectomy with bilateral salpingectomy. When I grossly looked at the sample, myoma was suspected. But several days later, a biopsy result came out, and the results were HSIL, and leiomyoma. She was received routine post-operation care and discharged home. HSIL is usually found in the PAP smear and may be overlooked if the myoma is present. But they may be together. We report a case that HSIL lesion was found in cervix in a patient who was suspected of myoma.
Clinical characteristics of pyometra: 10-year experience from a single institution
( Darae Lee ),( Yung-taek Ouh ),( Heejoo Hong ),( Boram Lee ),( Chorong Kim ),( Yoon Hyeon Hu ),( Tae Yeon Kim ),( Se Jin Lee ),( Tae Gyu Ahn ),( Hyang Ah Lee ),( Sunghun Na ),( Jong Yun Hwang ),( Don 대한산부인과학회 2021 대한산부인과학회 학술대회 Vol.107 No.-
Corpus luteal cyst Rupture with Tubal Abortion
( Darae Lee ),( Yoon Hyeon Hu ),( Chorong Kim ),( Tae Gyu Ahn ),( Hyang Ah Lee ),( Sunghun Na ),( Jong Yun Hwang ),( Dong Hun Lee ),( Se Jin Lee ) 대한산부인과학회 2020 대한산부인과학회 학술대회 Vol.106 No.-
Corpus luteum cyst rupture with consequent hemoperitoneum is a common disorder in women in their reproductive age. And ectopic pregnancy has also hemoperitoneum. Tubal abortion, which is a rare type of ectopic pregnancy, is characterized by the extrusion of an ectopic product of conception implanted in the fallopian tube through the abdominal ostium into the peritoneal cavity. A 39-year-old woman visited emergency room because of abnormal bleeding and lower abdominal pain since 3 days ago. She was an infertile patient. She had In vitro fertilization and embryo transfer a month ago, but she failed pregnancy and continued to had vaginal bleeding. In urine test, human chorionic gonadotropin (hCG) was positive. Ultrasonographic findings showed that the absence of an intrauterine gestational sac, with bilateral ovarian anechoic cyst and small echogenic free fluid in posterior Cul-de-Sac(PCDS). According to the blood test, beta-hCG was 3,679 mIU/mL and hemoglobin was 8.4 g/dL. The vital sign was stable. She was hospitalized and monitored, and the next morning on a blood test, beta-hCG dropped to 2,905mIU/mL and hemoglobin 7.3 g/dL. Ultrasound findings, fluid collection was increased, and emergency surgery was determined. In the surgical findings, hematoma of the right fallopian tube was observed, cyst rupture was found in the right ovary, and ovarian cyst was also observed in the left ovary. She had right salpingectomy, bilateral ovarian cystectomy, and dilatation and curettage with biopsy. Pathologic results were hematoma in tubal lumen, hemorrhagic corpus luteal cyst. In uterine endometrium, there are proliferative glands with predecidualized stroma. After surgery, she was received routine post-operation care and discharged home. We report a rare hemoperitoneum case in which both hemorrhagic corpus luteal cyst and tubal abortion developed simultaneously.
( Darae Lee ),( Iseul Kim ),( Eun-jeong Park ),( Boram Lee ),( Chorong Kim ),( Yoon Hyeon Hu ),( Heejoo Hong ),( Se Jin Lee ),( Tae Gyu Ahn ),( Hyang Ah Lee ),( Sung Hun Na ),( Jong Yoon Hwang ),( Yun 대한산부인과학회 2022 대한산부인과학회 학술대회 Vol.108 No.-
Objective: Ovarian cancer is the most lethal malignant cancer in women. Myeloid-derived suppressor cells (MDSCs) accumulation in tumor microenvironment (TME) contribute poor prognosis of ovarian cancer patients. Tumor cells consume high amount of nutrition to meet their bioenergetics/biosynthetic demands. High nutrition demand of tumor cells leads to deprivation of several nutrition in TME, making that tumor-infiltrating immune cells compete with cancer cells for nutrition to maintain their own function. SLC43A2 is a type of L-type amino acid transporter found in various cancers, resulting in methionine deprivation in TME. Methods: The TCGA data sets were used for analyzing the correlation of SLC43A2 mRNA, MDSC markers, and overall survival of ovarian cancer patients. Whole blood was collected from fifteen patients who underwent debulking surgery in Kangwon National University Hospital. PBMC and serum was isolated from the whole blood. Immune cells in PBMC were analyzed with flowcytometry. Methionine was measured with LC/MS method. Results: We found that SLC43A2 mRNA negatively correlates with overall survival and mRNA of MDSC markers including CD33, CD14, CD15 and PD-L1 from ovarian cancer patients as assessed with TCGA data sets. Additionally, serum methionine concentration showed negative correlation with percent of CD11b+ CD33+ cells (represented as MDSC phenotype) in PBMCs donated from ovarian cancer patient cohort. We also found that tumor growth was delayed and tumor-infiltrating granulocytic MDSCs was reduced in SLC43A2 KO melanoma-bearing mice as compared to WT-bearing mice. Gr-1+ MDSCs isolated from SLC43A2 KO melanoma-bearing mice revealed reduced T cell suppression activity than MDSCs isolated from WT melanoma-bearing mice. Conclusion: These findings suggested that alteration of TME metabolism due to high level of SLC43A2 expression in cancer cells resulting in methionine deprivation can affect MDSC physiology and anti-cancer immunity.
Peritoneal tuberculosis mimicking peritoneal carcinomatosis: an important differential diagnosis
( Hyeju Han ),( Sujin Bae ),( Iseul Kim ),( Heejoo Hong ),( Boram Lee ),( Chorong Kim ),( Darae Lee ),( Se Jin Lee ),( Tae Gyu Ahn ),( Sung Hun Na ),( Jong Yun Hwang ),( Hyang Ah Lee ),( Seungkoo Lee 대한산부인과학회 2023 대한산부인과학회 학술대회 Vol.109 No.-