http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
석병석(Suk, Byong-suk),민승용(Min, Seung-yong),권재욱(Kwon, Jae-wook),김창균(Kim, Chang-kyoon),문상만(Moon, Sang-man),최수진(Choi, Su-jin),구철회(Koo, Cheol-hea),김인규(Kim, In-kyu),류동영(Ryu, Dong-young) 한국항공우주연구원 2015 항공우주산업기술동향 Vol.13 No.2
시험용 달 궤도선의 발사 요구조건 사전 분석 단계로 최근 외국에서 발사한 달 탐사선의 발사 요구조건을 분석하였다. 일반적으로 달 탐사선의 발사 요구조건은 달 임무 궤도를 결정하는 중요한 요소이며, 또한 지구, 달, 태양의 상대적인 운동으로 인해 임무궤도 요구조건을 만족하는 발사 가능 시간이 주기적으로 반복되는 경향이 있다. 분석 결과 설정된 발사 요구조건들로부터 달 궤도선의 주 임무가 달의 남/북극 지역의 광학 관측 임을 간접적으로 알 수 있었다. 향후 우리나라 달 궤도선 발사 요구 조건 설정에 본 논문이 도움이 되길 기대한다. In the preliminary study on launch window requirement for Korea Path-finder Lunar Orbiter(KPLO), the recent foreign lunar orbiter’s lauch window requirement was analyzed. Normally, the launch requirements depends on the mission orbit. Based on the relationship between Moon, Earth, and Sun, the launch time will be available periodically to meet requirements. In this paper, it is understood that the launch window requirements come from payload mission requirements to take picture each poles of Moon. This paper might be a practical example to derive KPLO launch requirements in the future.
Primary squamous cell carcinoma of the endometrium; A case report
( Sang Gap Kim ),( Gun Sik Park ),( Byeung Jum Kim ),( Sang Kook Kim ),( Soo Jin Song ),( Sang Chill Kwon ),( Ja Seong Koo,),( Hyun Sik Youm ),( Hwal Woong Kim ),( Hwa Sook Moon ) 대한산부인과학회 2012 대한산부인과학회 학술대회 Vol.99 No.-
Primary squamous cell carcinoma of the endometrium is extremely rare and its pathogenesis is unclear. Exclusion of cervical squamous cell carcinoma, extended to endometrium and squamous differentiation of endometrioid carcinoma is necessary to make the diagnosis of primary squamous cell carcinoma of the endometrium. Case: A 51-year-old postmenopausal woman presented with heavy vaginal bleeding. The patient had normal Pap smear. Transvaginal ultrasonography revealed a 3.8 × 3.1 cm mass mimicking submucosal myoma in the uterine endometrial cavity. The frozen section of the mass obtained by hysteroscopy was reported as sarcoma. Subsequently, the patient underwent laparoscopic hysterectomy with BSO and bilateral pelvic lymph node dissection. There was no tumor involvement in dissected pelvic lymph nodes. Postoperative histology confirmed the presence of a poorly differentiated squamous cell carcinoma in the uterine body while the cervix was normal. The results of immunohistochemical stainings were diffusely positive for cytokeratin, and negative for vimentin. Based on the histomorphologic findings, the diagnosis was primary squamous cell carcinoma of the endometrium. The patient was treated with chemotherapy and is alive without recurrence and metastais 8 months after the operation. Conclusion: To make the diagnosis of primary squamous cell carcinoma excluding cervical squamous cell carcinoma, extended to endometrium and squamous differentiation of endometrioid carcinoma, it is important to carry out multiple sections, immunostainings, and mucin stainings.
Sung Chan Jeon,Jae Hyun Kim,Sun Jung Kim,Hye Jung Kwon,Youn Jung Choi,Kyoungwon Jung,Sung Eun Kim,Won Moon,Moo In Park,박선자 대한소화기내시경학회 2019 Clinical Endoscopy Vol.52 No.1
Background/Aim: We aimed to evaluate the effcacy of sending educational video clips via smartphone mobile messenger (SMM) onenhancing bowel preparation before colonoscopy. Methods: This was a prospective, endoscopist-blinded, randomized controlled study. Patients in the SMM group received two videoclips sent via SMM that explained the diet and regimen for bowel preparation, whereas those in the control group did not receive anyvideo clips. We compared the quality of bowel preparation between the two groups, which was assessed by an endoscopist using theOttawa scale. Results: Between August and November 2014, 140 patients in the SMM group and 141 patients in the control group underwentcolonoscopic examination. The total Ottawa score of the SMM group was significantly lower than that of the control group (5.47±1.74vs. 5.97±1.78, p=0.018). These results were particularly prominent in the younger age group; the total Ottawa score of patents in theSMM group aged <40 years was significantly lower than that of patients in the control group aged <40 years (5.10±1.55 vs. 6.22±2.33,p=0.034). Conclusions: We demonstrated that sending educational video clips via SMM could result in better bowel preparation, especially in theyounger age group.
Kwon, Yong Wonn,Moon, Won-Jin,Park, Mina,Roh, Hong Gee,Koh, Young Cho,Song, Sang Woo,Choi, Jin Woo Korean Society of Magnetic Resonance in Medicine 2018 Investigative Magnetic Resonance Imaging Vol.22 No.3
Purpose: To investigate the surgical, perfusion, and molecular characteristics of glioblastomas which influence long-term survival after treatment, and to explore the association between MR perfusion parameters and the presence of MGMT methylation and 1p/19q deletions. Materials and Methods: This retrospective study was approved by our institutional review board. A total 43 patients were included, all with pathologic diagnosis of glioblastoma with known MGMT methylation and 1p/19q deletion statuses. We divided these patients into long-term (${\geq}60\;months$, n = 7) and short-term (< 60 months, n = 36) survivors, then compared surgical extent, molecular status, and rCBV parameters between the two groups using Fisher's exact test or Mann-Whitney test. The rCBV parameters were analyzed according to the presence of MGMT methylation and 1p/19q deletions. We investigated the relationship between the mean rCBV and overall survival using linear correlation. Multivariable linear regression was performed in order to find the variables related to overall survival. Results: Long-term survivors (100% [7 of 7]) demonstrated a greater percentage of gross total or near total resection than short-term survivors (54.5% [18 of 33]). A higher prevalence of 1p/19q deletions was also noted among the long-term survivors (42.9% [3 of 7]) than the short-term survivors (0.0% [0 of 36]). The rCBV parameters did not differ between the long-term and short-term survivors. The rCBV values were marginally lower in patients with MGMT methylation and 1p/19q deletions. Despite no correlation found between overall survival and rCBV in the whole group, the short-term survivor group showed negative correlation ($R^2=0.181$, P = 0.025). Multivariable linear regression revealed that surgical extent and 1p/19q deletions, but not rCBV values, were associated with prolonged overall survival. Conclusion: While preoperative rCBV and 1p/19q deletion status are related to each other, only surgical extent and the presence of 1p/19q deletion in GBM patients may predict long-term survival.