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하달봉,이경섭,손형규,이준희,원유홍,김동훈,장태정 동국대학교 경주대학 1996 東國論集 Vol.15 No.-
비기능성 부신피질암은 발생 빈도가 극히 드문 악성 종양이며, 내분비학적 임상증상이 없어 주로 복부 종물에 의해 우연히 발견된다. 그래서 대부분 종양의 크기가 거대하고 전이로 진행된 경우가 흔하며, 절제술만으로는 치유 불가능한 경우가 많아 예후가 불량한다. 최근 저자들은 약 10년간 간헐적인 좌측 측복통과 흉부 압박감으로 내원하여, 이학적 검사 및 방사선학적 검사상 복부 종물이 확인되고 생화학적 검사에서 비기능성으로 판명된 52세 남자 환자에서 근치적 신절제술을 시행하여 병리조직검사상 비기능성 부신피질암으로 진단되었기에 문헌 고찰과 함께 보고하는 바이다. Nonfunctioning adrenocortical carcinoma is extremely rare, which is diagnosed most often in older man because of mass effect. Most tumors are discovered too late for curative resection, and advanced tumors are associated with a poor prognosis. Herein we report on a 52-year-old man with nonfunctioning adrenocortical carcinoma, treated by radical nephrectomy.
One-Chip uP에 의한 CO₂가스메탈 아크용접기의 디지털 제어기 설계에 관한 연구
최규하,채영민,송성학,우동학,한광수,안기은 건국대학교 1997 學術誌 Vol.41 No.2
With the development of semiconductor devices, adaptation of microcontroller prevails in industrial area. But in arc welding industry, there has not been much progress in adoption microcontroller technology. Therefore, this paper shows the application of digital control technology to welding machine. This paper presents the design of microcontroller that is appropriate for three phase CO2 gas metal arc welding machine. By using microcontroller in CO2 gas metal arc welding machine, the overact cost can be reduced compared to analog type one. Also TMS370C850 microprocessor is used as overall microcontroller for the arc welding machine.
손형규,하달봉,박동일,오연희,권순훤 동국대학교 경주대학 1996 東國論集 Vol.15 No.-
요도결석은 대개 방광결석에 의해 생기며 드물게 원발성으로 요도에서 발견된다. 원발성 요도결석은 남성에 있어서는 요도협착, 요도게실, 이전의 요도 및 전립선수술과, 여성의 경우 거의 대부분 요도게실과 관계가 있다. 요도결석은 신체검사, 내시경검사 및 방사선학적 검사를 통해 진단하여 치료시 결석의 치료뿐 아니라 기존 질환의 진단 및 치료를 병행하여야 한다. 저자들은 급성 요폐로 내원한 55세 남자환자에서 신체검사 및 요도 내시경검사를 통해 거대 구부요도결석으로 진단한 후 관혈적 요도결석제거술로 치유하였기에 문헌고찰과 함께 보고하는 바이다. Urethral stone may from primarily in the urethra or may migrate from the bladder or upper urinary tract. Primary urethral calculi usually are associated with chronic stasis and infection. Virtually all urethral stone in women have been found in a urethral diveniculum. The diagnosis may be confirmed by palpation, endoscopic visualizatlon, or radiographic study. Treatment should be directed by the underlying cause. Herein, we reported a case of giant bulbous urethral stone in 55-year-old men, with a brief review of literature. Key Words: Stone, Bulbous urethra.
신경섬유종증-제 2형의 진단과 치료 : 16례의 임상경험 Experience of 16 Cases
김정은,백선하,김종수,이상형,오창완,김동규,정희원,김현집,조병규,한대희,최길수 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.12
Neurofibromatosis type 2(NF-2) is a dominantly inherited disorder characterized by the occurrence of bilateral acoustic neurinomas and the frequent association of other central nervous system tumors. We present a retrospective review of 16 patients with NF-2 who were treated at our hospital from 1984 to 1995 in 13 cases, the diagnoses of Nf-2 were based on the criteria developed at the Consensus Development Conference of National Institute of Health in the United States, and in another 3 cases. the criterias of NF-2 were not fully satisfied, but the diagnoses of NF-2 were highly suspected. The average age of the patients was 27.6 years, ranging from 13 years to 56 years. The most common symptom was hearing difficulty : intervals between symptom onset and deafness ranged from 8 months to 6 years(mean : 2.9 years) One family of NF-2 was documented consisting of a sister a brother and their mother. Nine patients underwent operations on unilateral acoustic neurinomas : these were subtotally removed in eight patients and totally in one patient Among these patients five were deaf on the ipsilateral side at surgery. Among the other four patients with useful hearing before surgery, hearing was preserved to preoperative status in two patients. Four patients with diagnoses of meningioma, received operations to relieve mass effect with subtotal removal in two patients and total removal in the other two. Early diagnosis and treatment are the most important in the management planning of patients with NF-2 for reasons of early manifestation and rapid progression of the disease.
열공형과 비열공형 피질하 혈관성 치매에서 위험인자의 차이에 관한 비교 연구
배희준,정지향,유경호,나덕렬,김상윤,최경규,양동원,손의주,이상도,김재우,박경원,김응규,이재홍,박미영,한일우,함동석,최문성,하충건,최성혜,이애영,이병철,한설희 대한치매학회 2003 Dementia and Neurocognitive Disorders Vol.2 No.2
Backgrounds and Objectives: Vascular dementia is a group of dementing disoders arising from various stroke syndrome. Among these. subcortical ischemic vascular dementia (SIVD) is regarded as a relatively distinct clinical entity. However, MRI patterns of SIVD are not homogenous. In some patients, lacunes are dominant, and in others, subcortical white matter changes are. This study was designed to compare risk factor profiles between SIVD with and without multiple lacunes. Methods: We divided 47 subjects (22 males, mean age. 68 years) recruited from VADAPET (Multicenter Trial For Evaluation Of The Changes In the PET Images Of Subcortical Vascular Dementia Patient) study into two groups one with more than 5 lacunes in deep gray matter (lacune group) and the other with 5 or less(non-lacune group) Clinical characteristics and laboratory findings of two groups were compared. Results: Nineteen of 47 patients (40%) belonged to the lacune group. The lacune and non-lacune groups d d not differ in the following variables: age, hypertension, diabetes mellitus, hyperlipidemia heart disease, history of stroke or TIA, history of trauma or major surgery, family history of hypertension stroke, or dementia, age at diagnosis of dementia, body mass index, white blood cell count, ESR, CRP, fibrinogen, hemoglobin A1C, total cholesterol. LDL cholesterol creatinine, proteinuria, glucosuria, and microhematuria. However, male sex, smoking alcohol. hemoglobin, and HDL cholesterol were possibly associated more with lacune group SIVD than with non-lacune group (p<0 1) Multivariate analyses revealed that smoking, hemoglobin, and HDL cholesterol were independent predictors of SIVD with multiple lacunes Conclusion: Our study suggests that SIVD with multiple lacunes may be significantly different in smoking habits hemoglobin, and HDL cholesterol from SIVD without multiple lacunes.
Ha, Joong Gyu,Li, Lan,Lee, Dong heon,Na, Sung hun,Ha, Kwon Soo,Kim, Young-Myeong,Ko, Jung Hwa,Hwang, Jong Yun SAGE Publications 2015 REPRODUCTIVE SCIENCES Vol.22 No.12
<P><B>Objective:</B></P><P>Abnormal spiral artery remodeling during early pregnancy leads to preeclampsia. The proliferation and invasion of trophoblasts in pregnancy are important for spiral artery remodeling. This study examined whether heme oxygenase (HO) by-products (carbon monoxide biliverdin, and iron) play roles in regulating the restoration of proliferation and invasion of human umbilical vein endothelial cells (HUVECs), HTR-8/SV-neo cells originating from first-trimester trophoblasts, 3A(tPA 30-1) obtained from term trophoblasts, and human endometrial stromal cells (HESCs) inhibited by zinc protoporphyrin IX (Znpp-9).</P><P><B>Study Design:</B></P><P>We explored whether HO by-products restored the proliferation and invasion of HUVECs, HTR-8/SVneo cells, 3A(tPA 30-1) cells, and HESCs inhibited by Znpp-9 depending on the oxygen concentration.</P><P><B>Results:</B></P><P>Bilirubin promoted proliferation of HUVECs, HTR-8/SVneo cells, 3A(tPA-30-1) cells, and HESCs under both hypoxic and normoxic conditions. Biliverdin also promoted invasion of HUVECs, HTR-8/SVneo cells, 3A(tPA30-1) cells, and HESCs under both hypoxic and normoxic conditions. Carbon monoxide-releasing molecule 2 promoted the proliferation and invasion of specific cell types depending on the oxygen concentration.</P><P><B>Conclusion:</B></P><P>Our data suggest that HO by-products differentially stimulate the proliferation and invasion of cells involved in pregnancy maintenance. When HO by-products are considered to be stimulants during the invasion and proliferation of such cells, both target cells and the gestational period should be considered.</P>