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Case Report : Autosomal Translocation Patient Who Experienced Premature Menopause: A Case Report
( Tae-hee Kim ),( Yesol Kim ),( Do-won Jeong ),( Eun-gyeong Lee ),( Dong-su Jeon ),( Jun-mo Kim3 ) 대한폐경학회 2015 대한폐경학회지 Vol.21 No.2
Premature ovarian failure (POF) is a condition in which the ovarian functions of hormone production and oocyte development become impaired before the typical age for menopause. POF and early menopause are present in a broad spectrum of gonad dysgenesis, from a complete cessation of ovarian function to an intermittent follicle maturation failure. Actually POF has been identified as a genetic entity (especially chromosome X), but data on genetic factors of premature menopause are limited. Until now, several cases revealed that inactivation of X chromosomes has an effect on ages of premature menopause and females with balanced or unbalanced X-autosome translocations can have several reproductive problems. On the other hand, there have been a few data that was caused by autosome-autosome translocation can lead. Therefore we report a relevant case of POF with translocation between chromosomes 1 and 4. She had her first menstrual period at the age of 12, and after 7 years she stopped menstruation. Chromosomal analysis showed 46, XX, t (1;4) (p22.3;q31.3). While evaluating this rare case, we could review various causes (especially genetic factors) of POF. To remind clinicians about this disease, we report a case of POF caused by autosomeautosome translocation with a literature review. (J Menopausal Med 2015;21:112-114)
The Competencies of Sellers in e-Commerce and Innovative Sales Activities for Sales Performance
Eunji KIM,Jongkun JUN,Jae Hoon HYUN3 한국유통과학회 2022 유통과학연구 Vol.20 No.1
Purpose: This study aims to identify the core competency of sellers on their sales performance in the context of e-commerce, and to verify the mediating effect of innovative sales activities. Research design, data, methodology: A questionnaire survey was carried out to 200 sellers in e-commerce. Exploratory factor analysis and reliability analysis for Cronbach’s Alpha were performed to verify the validity and reliability of the and the regression analyses of 5,000 bootstrap samples were carried out to test hypotheses. Results: Based on the analysis, the elements of competencies of sellers in e-commerce such as self-control, trust-building, social interaction skills were positively related to the innovative sales activities and sales performances. Innovative sales activities also affected sales performances. Indirect effects of competencies of sellers on sales performance via innovative sales activities were partially effective depending on variables that brought practical implications. From a practical perspective, the valid competencies found in this study may be applied for the recruitment and selection of sellers. Conclusion: This study shed light on theories of e-commerce sales and sales practices by examining the competencies of sellers in e-commerce compared to those of traditional sellers and by revealing innovative sales activities as the effective mediator for sales performance.
Antiadhesive effect and safety of oxidized regenerated cellulose after thyroidectomy
Kyoung Sik Park,Kyu Eun Lee,Do Hoon Ku,Su-Jin Kim,Won Seo Park2,Hoon Yub Kim3,,Mi Ra Kwon1,Yeo-Kyu Youn1 대한외과학회 2013 Annals of Surgical Treatment and Research(ASRT) Vol.84 No.6
Purpose: To evaluate the antiadhesive effects and safety of an oxidized regenerated cellulose (Interceed) after thyroidectomy. Methods: Seventy-six thyroidectomized patients were prospectively randomized into two groups with regard to the use of Interceed. We evaluated each group for their adhesive symptoms using four subjective and four objective items at the 2nd week, 3rd and 6th month after thyroidectomy. All patients were examined for vocal cord motility by indirect laryngoscope at each period. Results: Total adhesion scores at each postoperative follow-up period decreased with time, but were not significantly different in each group. The median score for swallowing discomfort for liquid was significantly lower in the Interceed group than in the control group 2 weeks after surgery. In addition, the severity of skin adhesion to the trachea was reduced in the Interceed group compared with the control group 6 months after surgery. During the study, there were no adverse effects or significant differences in postoperative complications between the groups. Conclusion: Interceed appeared to be safe and effective in improving neck discomfort at early postoperative periods and preventing skin adhesion to the trachea 6 months after thyroidectomy.
Sihye Lee,oon-Chang Yoon,Young Sung Ghim,Sang-Woo Kim3 한국기상학회 2007 한국기상학회 학술대회 논문집 Vol.2007 No.-
Seasonal variations in aerosol optical properties were studied in company with aerosol chemical compositions using optical and chemical equilibrium models. In Gosan, the optical contribution of water-soluble aerosols was dominant, and the hygroscopic growth possibility was increased by high portion of hydrophilic aerosols and high RH condition. In spring, the observed AODs were high at both the sites even though the aerosol concentrations obtained from ground-based measurements were low because of the influence of dust particles. In summer, we expected the conspicuous hygroscopic growth of water-soluble aerosols together with a sufficient quantity of free water, but the influence of water content was obscure and not dominant. However, if the quantity of water-soluble aerosols was higher than that of the present, free water would be combined with hygroscopic aerosols in summer.
(Allyloxy)methyl-Crown Ether를 이용한 액체막계에서의 Pd(Ⅱ) 및 Pd(Ⅱ)의 분리
이용구(Yong Gu Lee),조현성(Hyun Sung Cho),김태순(Tae Soon Kim),이동구(Dong Koo Lee),김응태 외 3인(Eung Tae Kim 외 3인) 강원대학교 기초과학연구소 1997 기초과학연구 Vol.8 No.-
(Allyloxy)methyl-Crown Ether를 액체막계에서 금속이온의 운반체로 사용하였다. 운반체로 사용한 AMDT18C6는 경쟁이동반응에서 Pd(Ⅱ)를 선택적으로 분리하였으며 AM18C6는 Pb(Ⅱ)의 선택성이 있었다. 거대고리리간드와 금속이온과의 착물형성에 관한 연구는 전위차법과 용액열량계법을 이용하였다. (Allyloxy)methyl-Crown Ethers have been used as metal cation carriers in a bulk liquid membrane system. Competitive transports by the AMDT18C6 and the AM18C6 are selective for Pd(Ⅱ) ion and Pb(Ⅱ) ion over other transition metal cations respectively. Studies of complexations of (Allyloxy) methyl-Crown Ethers with metal cations have been carried out by titration calorimetry and potentiometry
세포검사 결과 여포성 종양으로 진단된 갑상선 결절에서 암의 위험성과 수술 후 소견
김은숙<SUP>1<,SUP>,남궁일성,공경엽<SUP>2<,SUP>,홍석준<SUP>3<,SUP>,김원배,송영기,Eun Sook Kim,M,D,<SUP>1<,SUP>,Il Sung Nam-Goong,M,D,Gyeongyub Gong,M,D,<SUP>2<,SUP>,Suck Joon Hong,M,D,<SUP>3<,SUP>,Won Bae Kim,M,D,and You 대한갑상선-내분비외과학회 2002 The Koreran journal of Endocrine Surgery Vol.2 No.2
Purpose: To assess the prevalence and the risk of malignancy in thyroid nodules which were cytologically diagnosed as follicular neoplasm by fine-needle aspiration (FNA) cytology. Methods: All the patients who had undergone surgery with cytological diagnosis of follicular neoplasm from January 1996 through December 2001 in Asan Medical Center were studied retrospectively. Patients' and nodule characteristics were analyzed for factors associated with the presence of cancer. Results: Two hundreds and fifteen patients (196 females, 19 males) were included and their mean age was 39.4 years (range: 12∼76). About half of the patients (102 out of 215, 47.4%) had malignancy with 29 papillary carcinomas, 57 follicular carcinomas, 15 Hürthle cell carcinomas, and 1 medullary carcinoma. Previously suggested factors associated with risk for malignancy such as male gender, large tumor size (>4 cm), or age of patients (>45 years), were not associated with increased risk. Diagnosis of Hürthle cell neoplasia on FNA was also not associated with increased risk. Only the extreme age of the patients (below 20 or above 60 years) was associated with increased risk for malignancy. Conclusion: By our hands, prevalence of carcinoma in thyroid nodule patients with cytological diagnosis of follicular neoplasm was much higher than those reported. Clinical characteristics such as male gender, age, and nodule size, are not useful predictors for the presence of malignancy. Thyroid nodules with cytological diagnosis of follicular neoplasm warrant immediate surgery without any further work up. (Korean J Endocrine Surg 2002;2:105-108)
악성 종양의 추적 관찰 중 PET-CT에서 발견된 갑상선의 우연종
김중석,최소영,노효근,김세중,김윤정<SUP>1<,SUP>,현인영<SUP>2<,SUP>,김영모<SUP>3<,SUP>,조영업,Joong Suck Kim,M,D,So-young Choi,M,D,Ph,D,Hyo Keun No,M,D,Sei Joong Kim,M,D,Ph,D,Youn Jeong Kim,M,D,Ph,D,<SUP>1<,SUP>,In Young Hyun 대한갑상선-내분비외과학회 2010 The Koreran journal of Endocrine Surgery Vol.10 No.4
Purpose: The incidence of thyroid cancer is increasing in Korea, partially owing to the development of diagnostic tools. Positron emission tomography (PET)-computed tomography (CT), in particular, has generally been used for evaluation of metastasis and follow-up of malignancy. Methods: We retrospectively investigated 2,833 patients with PET-CT for metastasis work-up or cancer follow-up, which was performed between January 1998 and May 2008 at Inha University Hospital. Of them, abnormal thyroid findings were discovered in 181 patients and we studied the result of further evaluation or follow-up PET-CT. Results: Thyroid cancer was diagnosed in 26 patients, including metastatic cancer in 3 patients, and non-operated primary cancer in 2 patients. Other 21 patients received operation, which in all histopathologically revealed papillary carcinoma. The mean age of the 21 patients was 55.4 years. Nine patients had a history of radiotherapy. The site of malignant nodule was discordant between PET-CT and histopathologic result in 6 patients. The mean size of malignant nodules was 9.45 mm (0.1∼23 mm) with microcarcinoma in 10 patients (47.6%). The mean interval between diagnoses was 15.8 months, and in 4 patients operations for two malignancies were performed in a same day. The incidence of thyroid cancer was significantly high in female patients, but the differences of incidence among different cancer groups were not significant for female patients. Conclusion: Early diagnosis of synchronous or secondary thyroid cancer by PET-CT in cancer patients can make early treatment and better strategies for multiple malignancies possible. (Korean J Endocrine Surg 2010;10:249-255)