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齒牙硬組織에 있어 Chloranilic acid에 依한 Calcium의 組織化學的 觀察
朴聖浩 최신의학사 1969 最新醫學 Vol.12 No.4
This reports in dental tissue (tooth germ and dental hard tissue) were made using a method of chloranilic acid. The results were found to give satisfactory results with the test tissues.
김정은 시기 핵능력과 국가전략의 연계성 분석: 신년사 텍스트마이닝 분석과 인과적 과정 추적법의 병행
박성호 대한정치학회 2023 大韓政治學會報 Vol.31 No.3
This research analyzes the linkage between North Korea's nuclear capabilities and national strategies during the Kim Jong-un period. Since the existing studies have relatively insufficient specifications, most of the studies' methodologies have limitations in empirically explaining that linkage. To compensate for this research gap, I embody the relationship between North Korea's rhetoric and actual behavior by combining text mining and causal process tracing analysis methods on New Year's address of North Korea(2013~2019). The result strongly connects the core keywords of North Korea's New Year's address and their actual behaviors. This mixed methodology approach demonstrates the association between inspecting the keywords emphasized in the New Year's address and actual behaviors. It could contribute to a more multifaceted and empirical explanation of North Korea. 이 연구는 김정은 시기 북한의 핵능력과 국가전략 간의 연계성을 분석했다. 기존 연구는 이에 대한 구체화가 상대적으로 미진했으며, 대다수 연구의 방법론이 이를 실증적으로 설명하는 데에 한계가 있기 때문이다. 연구 공백을 보완하기 위해 핵심 데이터인 북한 신년사(2013~2019)에 대한 텍스트마이닝 분석과 인과적 과정 추적법을 병행함으로써 북한의 레토릭과 실제 행위 간의 연계성을 구체화했다. 연구 결과, 핵능력 강화 전후 북한 신년사의 핵심 키워드와 실제 행위와의 강한 연계성을 확인했다. 혼합 방법론에 입각한 접근은 신년사에서 강조하는 키워드를 실제 대내외적 행위와 연계해 분석함으로써 양자 간의 연계성을 구체화한 의의가 있다. 이는 북한을 더욱 다각적이며 실증적으로 설명하는 데에 기여할 수 있을 것이다.
20세 이하 갑상선 유두암 환자의 임상 특징과 치료 결과
박성호,최주열,김남영,김경헌,이국행,이병철,이명철,최익준 대한이비인후과학회 2015 대한이비인후과학회지 두경부외과학 Vol.58 No.11
Background and Objectives Thyroid carcinoma rarely occurs in children and adolescents, whose clinical features are diverse, and treatment outcomes are still controversial. The aim of this study was to evaluate the clinical features and the treatment outcomes of papillary thyroid carcinoma (PTC) patients younger than 20 years old. Subjects and Method This is a retrospective study for patients younger than 20 years old, who were diagnosed as PTC from January 1992 to February 2009. Clinical features, size, pathologic type, extrathyroidal extension, recurrence, multiplicity, extent of surgery, and lymph node metastasis were retrospectively evaluated. Results Forty patients, of 6 malse and 34 females, were enrolled, with their mean age being 16 years old. The initial operations were total thyroidectomy for 9 patients, unilateral lobectomy for 15 patients, and total thyroidectomy and lateral neck dissection for 16 patients. Cervical lymph node metastases were diagnosed in 25 patients. Extrathyroidal extensions were observed in 30 patients. Postoperative radioactive iodine therapy was performed in 35 patients. During the follow-up period, 8 patients had recurred. All patients were alive at the last follow-up. Conclusion PTC in children and adolescents aged under 20 is a rare disease and tends to present as an advanced disease with low mortality compared to adult PTC. Recurrence had no effect on survival. Aggressive treatment with total thyroidectomy, central neck dissection, and radioiodine therapy may prevent recurrence.