http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김명찬(Myoung Chan Kim),채두병(Doo Byoung Chay),이상은(Sang Eun Lee),김종석(Jong Seok Kim),이윤호(Yoon Ho Lee) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.7
Varix of the intraabdominal portion of the fetal umbilical vein is a rare entity. We present a case of varix of the intrafetal umbilical vein diagnosed by routine prenatal ultrasonography at 35 weeks of gestation. Color Doppler examination of the abnormal umbilical vein demonstrated turbulent flow through 23-㎜ diameter cystic dilatation of the fetal intra-abdominal umbilical vein consistent with a varix. No other sonographic abnormalities were detected, and a healthy infant was delivered at term.
전기수력학적 분무에서 노즐재질이 입경분포에 미치는 영향
김명찬(Myoung Chan Kim),이상용(Sang Yong Lee) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
When an aqueous liquid such as water having high electric conductivity and high surface tension is<br/> discharged from a nozzle under a strong DC electric field, fine uniform drops ranging from 30 to 450 microns<br/> can be obtained only through the spindle mode. In the present study, effects of the electric conductivity and<br/> the surface wettability of nozzle materials on formation of drops with this mode were investigated. For that,<br/> four nozzles with the same size but with different materials were prepared and tested; a plain and a Tefloncoated<br/> (except for the tip portion) stainless needles, and a plain and a metal (gold)-coated (also except for the<br/> tip portion) silica needles. Uniform drops were obtained with the gold-coated silica nozzle over the wider<br/> range of the DC voltage input. That is, formation of the liquid cone and detachment of the liquid spindle<br/> (ligament) are more stabilized and frequent with the needles having high electric conductivity but with low<br/> surface wettability at their tips.
채일현(Ill Hyoun Chae),김명찬(Myoung Chan Kim),신세원(Se Won Shin),이성림(Seong Lim Lee),김인선(In Sun Kim),김인배(In Bae Kim),조봉춘(Bong Choon Jo),최인철(In Cheol Choi),박종각(Jong Gak Park) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.8
Holoprosencephaly is a rare malformation complex or development defect including different degrees of incomplete cleavages of the embryonic prosencephalon and varying degrees of the midface defects, resulting from the defect of prechordal mesoderm, migrating forward into the area anterior to the notochord during the third week of fetal development. Early antenatal diagnosis of holoprosencephaly is important to find out its severity, to predict its prognosis, and to determine proper management according to its prognosis and severity. The possibility of early antenatal diagnosis of holoprosencephaly by ultrasound has been suggested, but occasionally missed and rarely confirmed. We present one case of lobar holoprosencephaly, diagnosed postnatally and one case of alobar holoprosencephaly, diagnosed antenatally in our hospitals.
보존적 요법으로 치유된 10주 및 8주의 자궁경부임신 2예
김성은(Seong Eun Kim),김명찬(Myoung Chan Kim),신세원(Se Won Shin),하상범(Sang Byum Ha),최용석(Yong seok Choi),조봉춘(Bong Choon Jo) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.9
Cervical pregnancy is a rare and dangerous form of ectopic pregnancy in which the blastocyst implants within the cervical canal below the internal os of the uterine cervix. The characteristic clinical sign is a severe asymptomatic uterine bleeding in early pregnancy or during curettage. Most cervical pregnancies result in early spontaneous abortion, complicated by severe hemorrhage from the eroded blood vessels within the cervical tissue. Because of uncontrolled profuse vaginal bleeding, total hysterectomy has been the mostly necessitated to control life-threatening bleeding. Transvaginal sonography allows early diagnosis, and conservative treatment (two-time treatment : first treatement with systemic or intraamnionic methotrexate, secondly with curettage or ligature of the uterine arteries) improves the patient's fertility. Successful treatment is defined as elimination of the cervical pregnancy with preservation of the uterus. We report two cases of cervical pregnancy managed, successfully with methotrexate, leucovorin and curettage.
이대우 ( Dae Woo Lee ),김종석 ( Jong Seok Kim ),채두병 ( Doo Byoung Chay ),이상은 ( Sang Eun Lee ),김명찬 ( Myoung Chan Kim ),이윤호 ( Yoon Ho Lee ) 대한주산의학회 2002 大韓周産醫學會雜誌 Vol.13 No.2
선천성 십이지장 폐색은 주산기 장폐쇄의 가장 흔한 원인으로 동반기형의 정도, 환아의 영양상태, 조산여부가 예후에 영향을 주지만 산전 진찰상 초음파를 통해 조기에 진단하여 빠른 수술적 치료를 통해 음식물 흡인으로 인한 기도폐쇄 및 흡인성 폐렴, 심한 구토로 인해 발생하는 전해질, 수분소실등의 대사성 합병증들의 예방뿐만 아니라 사망률을 낮출수 있다. 또한 다른 위장관계나 췌담관계, 심장, 척추등에 동반되는 기형들이나 산전 진찰상 비슷한 소견을 보이는 다른 질환과의 감별진단이 필요하다. 본 저자들은 본원 산전 진찰상 임신26주에 발견된 선천성 십이지장 폐색증을 추적관찰하여 임신39주에 제왕분만 후 출생 7일째 십이지장-십이지장 문합술을 통해 수술적 교정을 시행한 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Congenital duodenal atresia is the most common cause of perinatal intestinal obstruction. Abdominal distension and projectile vomiting are the specific symptoms of neonatal gastro-intestinal obstruction. The incidence of duodenal atresia is between 1 in 2,710 and 1 in 10,000 live births. Most cases are thought to be failure of recanalization of the duodenal lumen during embryonic period. Duodenal atresia is associated with a high incidence of other associational anomalies, including esophageal atresia, biliary atresia, congenital heart disease and vertebral anomalies. Prenatal diagnosis, the ealry operation and the facotrs such as prematurity, combined abnormalities, nutirtion have a significant influence on complication and mortality. We report a case of congenital duodenal atresia diagnosed by ultrasonography prenatally in Andong general hostpital at 26 gestational weeks and operated the 7th day of cesarean section in Yeungnam university hospital with a brief review of literature.