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Surgical Treatment and Analysis of Esophageal Diseases (식도 질환의 외과적 치료 및 분석)

  • Choe, Yeong-Ho;Jo, Seong-Jun;Jo, Won-Min;Kim, Gwang-Taek
    • Journal of Chest Surgery
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    • v.29 no.10
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    • pp.1123-1128
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    • 1996
  • A clinical study was performed on 152 cases of surgical esophageal disease treated by the Department of Thoracic & Cardiovascular Surgery of Korea University Hospital from Jan. 1989 through July 1994. The most common esophageal disease was cancer which was seen in 73 cases (48%) among 152 cases. All were treated surgically' 52 patients (71%) were managed by curative or palliative resection with reconstruction and feeding gastrostomy or jejunostomy, otherwise Celestine tube insertion was performed on the remaining 21 patients for palliatio'n. Esophageal leiomyoma occurred in 6 cases(3.9%), among them 1 case was performed with trio recoscopic enucleation . Achalasia were in 7 cases (4.6%) and was treated with modified Heller's m otomy and with Belsey Mark IV operation. Diverticulum were in 11 cases (7.2%). Esophageal stricture occurred in 20 cases (14.1 %) and 17 of 20 cases were managed with bypass surgery. Esophageal perforation was seen in 20 cases, its cause was instrumental trauma in 7 cases, stab wound in 4 cases, foreign body in 4 cases, spontaneous perforation in 3 cases, and others 1 case Other disease including congenital lesion was seen In 1 Scases.

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Background Cytologic Features of Metastatic Carcinomas in the Liver in Fine Needle Aspiration Cytology - Analysis of 20 Cases - (간의 전이성 상피암 20예의 세침 천자 흡인시 배경 병변의 세포학적 소견)

  • Myong, Na-Hye;Koh, Jae-Soo;Ha, Chang-Won;Cho, Kyung-Ja;Jang, Ja-June
    • The Korean Journal of Cytopathology
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    • v.2 no.2
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    • pp.90-97
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    • 1991
  • Liver is generally known as an organ which is most commonly involved by the metastic tumors. According to the tendency of using fine needle aspiration in the diagnosis of hepatic tumors, the differentital diagnosis between hepatocellular carcinoma and metastatic carcinoma frequently has been a main issue in the poorly differentitated cases, especially to the pathologists of Korea, an endemic area of hepatocellular carcinoma. Until now the problem has been usually solved by the comparison of cytologic characteristics of their tumor cells but not by background cytologic features which rarely have been studied. We observed the background cytologic features helpful for the differential diagnosis through the analysis of 20 cases who had confirmed primary cancer and were diagnosed as metastatic carcinomas in the liver by fine needle aspiration cytology. Twenty cases included 9 adenocarcinomas, 7 spuamous cell carcinomas, 1 small cell carcinoma, 1 carcinoid, 1 adenoid cystic carcinoma, and 1 renal cell cacinoma. Analysis of background cytologic features revealed that 77% of adenocacinoma cases showed benign mesenchymal components and hepatocytes and spuamous cell carcinoma cases disclosed benign mesenchymal tissue (71%) and necrosis (57%), Remaining cases showed variable combinations of benign mesenchymal component, necrosis, hepatocytes, and bile duct epithelial cells. No case revealed atypical hepatocytic naked nuclei, a useful cytologic finding of hepatocellular carcinoma. In summary, the background cytologic features more commonly observed in metastatic carcinomas than in the hepatocellular carcinoma were benign mesenchymal components, hepatocytes, necrosis, and bile duct epithelium. The endothelial cells and hepatocytic naked nuclei, two relatively specific findings of hepatocellular carcinoma were not observed except for renal ceil carcinoma. Above background cytologic features are thought to be helpful for the differential diagnosis between the hepatocellular carcinoma and various metastatic carcinomas in the poorly differentiated cases.

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An Epidemiological Study on the Complications caused by the Sterilization Program (불임시술의 합병증에 관한 역학적 연구)

  • Hong, Myung-Sun
    • Research in Community and Public Health Nursing
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    • v.7 no.1
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    • pp.138-153
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    • 1996
  • Intending to offer basic information for a prospective health services in Korea, this study is to investigate the complication caused by sterilization in goverment family planning program from 1962 to 1995. The results are as follows: 1. Total number of sterilization performed during the period from 1962 to 1995 were 1.367,772 cases of male sterilization and 2,889,635 cases of female sterilization. 2. Incidence of the complication caused by sterilization operation from 1980 to 1995 were 1,883(0.20%) out of 925,801 cases in vasectomies and 15,866(0.70%) out of 2,256,020 cases in tubal sterilizations. 3. Major complications in vasectomy were epididymities of 658 cases (34.9%), vas recanalization of 326 cases(17.3%), hematoma of 266 cases(14.1%), scrotal abscess of 184 cases(9.8%), sperm granuloma of 76 cases(4.0%),and other of 373 cases(19.8%). On the other hand, in tubal sterilization, ectopic pregnancy was the most significant complication of 15,078 cases (95.0%) among 15,866 total complications, followed by pelvic inflammatory diseases of 155 cases(0.9%), peritonities of 96 cases(0.6%), ovarian & tubal bleeding of 31 cases(0.2%), intestinal perforation of 16 cases (0.1%), uterine bleeding of 14 cases(0.1%), uterine cervix laceration of 1 case (0.1%), and other of 271 cases(1.7%), while 161 pregnancies(0.1%) were terminated and 43 cases(0.3%) with normal delivery. 4. The occurrence rate of the complication for each period showed that most of the complication cases by vasectomy occurred in a year after the operation -the cases were 1,256 (66.7%). 254 cases(13.5%) occurred between the next year and the 2nd year, 138 cases (7.3%) between the 2nd year and the 3rd year, 73 cases(3.9%) between the 3rd year and the 4th year, 52 cases(2.8%) between the 4th year and the 5th year, 31 cases(1.6%) between the 5th year and the 6th year, 79 cases(4.2%) over the 6th year. Tubal sterilization indicated that the occurred complication cases in a year were 2,175 cases(13.7%), 2,113 cases(13.3%) occurred between the next year and the 2nd year, 2,082 cases(13.1%) between the 2nd year and the 3rd year, 2,049 cases (12. 9%) between the 3rd year and the 4th year, 1,819 cases(11.5%) between the 4th year and the 5th year, 621 cases(10.2%) between the 5th year and the 6th year, 4,007 cases(25.3%) over the 6th year. 5. For the cost of complication treatment, total \7,928,229,000 were paid as medical expenditure in which \609,438,000 for vasectomy and \7,318,791,000 for tubal sterilization. Accordingly per capita expenses were \345,000 for vasectomy and \467,000 for tubal sterilization. As the proportion of government sterilization program was decreased after 1988, that of private sterilization program would be increased. So it is recommended to set a guideline for the private sterilization program and to continue government sterilization program for the lower class.

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Reconstruction for the Soft Tissue Defect of Heel and Sole using Free Flaps (생유리 피부편을 이용한 종부 및 족저부 연부조직 결손의 재건)

  • Lee, Kwang-Suk;Kang, Ki-Hoon;Kwon, Kyu-Ho;Lim, Dang-Jae
    • Archives of Reconstructive Microsurgery
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    • v.7 no.2
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    • pp.81-87
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    • 1998
  • We have investigated the clinical results of 33 cases of free flap transfer performed for the soft tissue defects of heel and sole. In donor sites, tensor fascia lata flaps were 4, dorsalis pedis flaps were 10, forearm flaps were 9, and latissimus dorsi flaps were 10. The recipient sites were heel in 22 cases, sole in 7 cases, and heel and sole in 4 cases. In these cases, the postoperative complications, morbidity of donor sites, recovery of sensation, and cosmetic results were evaluated in each flap. All the flaps survived successfully. The free flaps provided excellent functional and cosmetic results. The tensor fascia lata flap was more reliable free flap for the reconstruction of heel and sole defects.

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A Study on the Analysis of Patent Information in the Apparel Design -Focused on International Patent Classification- (의류디자인 분야의 특허정보 분석 -국제특허분류를 중심으로-)

  • 이금희
    • The Research Journal of the Costume Culture
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    • v.11 no.6
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    • pp.835-851
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    • 2003
  • This study analyses patent information of apparel design using computer technology and researches the trend of patent application focused on International Patent Classification. In terms of trend by filling data, Patent application started first in 1974 and increased sharply in 1993 with 14 cases and increased to 25 cases in 2000. In case of Korea, they began somewhat late in 1996, but reached a similar level with the leading country in 2000. In terms of trend by applicant, Gerber Garment Technology, Inc. filed 7 cases TORAY IND INC, filed 6 cases Levi Strauss & Co. filed 4 cases, NEC HOME ELECTRONICS LTD filed 3 cases, TOYOBO CO LTD filed 3 cases. Japanese companies occupied 52% and United States's companies occupied 48%. In terms of trend by country, foreigner occupied 47% of the patents filed by United State. Japanese take up 10% of total patent of United States. Korean occupied 84% of total patent of Korea and foreigner, american occupied 16% of the patents filed by Korea. In regared to International Patent Classification, in the section level G filed 92 cases(53%). In class level, G06 marked the first place in United States, Japan, and Korea. In subclass level, G06F marksed the first place with 74 cases. G06T and A61B were regarded as the new technologies. The new technologies are representing the dimensions of garment or computer-rendered model, providing the virtual reality through the texture mapping, digital dressing room or virtual dressing, and performing or retriving display on a screen for the result of changing pattern ao dress design, The technologies of core patent are designing or producing custom manufactured item, providing or prealtering the data for pattern making and visually displaying, interactively generating or previewing of various articles.

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Epidemiologic Trends and Aspects of Severe Fever with Thrombocytopenia Syndrome Outbreaks in Korea and Japan, 2013~2017

  • Lee, Won-Chang;Park, Seung-Yong;Choe, Nong-Hoon;Kwon, Young Hwan
    • Korean journal of aerospace and environmental medicine
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    • v.30 no.2
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    • pp.75-79
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    • 2020
  • This study focuses on the comparative and quantitative analysis of the epidemiologic trends and aspects of severe fever with thrombocytopenia syndrome (SFTS) outbreaks between Korea and Japan from 2013 to 2017. The following factors were analyzed; cumulative incidence rate (CIR), cases-fatality rate (CFR), and the epidemic aspects, including cases related to gender, male-to-female morbidity ratio (MFMR), age, seasonal, and geographical distributions. We observed 607 SFTS cases with CIR in Korea during the period 2013 to 2017 were as 0.24 per 100,000 populations and with a 127 fatal-cases (F.C.s), corresponding to a CFR of 20.9%, respectively. During the same period in Japan, 319 SFTS cases with a CIR of 0.05 and with 60 F.C.s to a CFR of 18.8% observed. When compared, the CIR of SFTS in Korea was significantly higher than in Japan (P<0.01), but there were no significant differences levels of the CFR and MFMR between Korea and Japan. Also, a higher incidence of SFTS was observed in people aged over 50-years or elders in Korea and those of 60-years or elders in Japan (P<0.01). The seasonal distribution of SFTS outbreak cases showed that the incidence in summer through autumn in Korea (92.4% of total cases) was higher than in Japan (65.2%), while the outbreaks of SFTS in spring was much higher in Japan (31.0%) than in Korea (7.4%), (P<0.01). The regional distribution revealed no significant difference between the eastern area (44.8%) and the western area (46.8%) of the Korean peninsula except Jeju-island (8.4%). However, in Japan, the incidence only occurred in Chubu-Kinki-Chugoku (30.3%), Shikoku (25.7%), Kyushu (42.6%) and Okinawa (0.3%), which are the western and southern areas of Japan. These differences in SFTS occurrence may reflect the influences of vector/hosts, climate, and geographical and cultural characteristics between the two countries.

Congenital Cardiovascular Anomalies in Adults : A report 266 surgical cases (성인 심장기형 266예 수술 예)

  • Lee, Yung-Kyoon;Yang, Gi-Min
    • Journal of Chest Surgery
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    • v.13 no.4
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    • pp.414-417
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    • 1980
  • During the period from 1958 to July 31, 1980, there were 1764 Cardiovascular Surgical cases consisting of 1166 congenital and 598 acquired lesions in the Department of Cardiothoracic Surgery, Seoul National University Hospital. For 1764 cases 1162 open heart surgery and 602 conventional operations were performed. Among 1166, congenital lesions 266 adult cases were found. Adult cases occupy 15.1% of the total cases consisting of 24.5% of acyanotic and 19.9% of cyanotic group. Over all operative mortality of adult cases was 6.8% compared with 12.4% of total cases. Left over congenital cardiovascular anomalies in Korea can be safely operated at the present time. The oldest operated patient among adult congenital cardiovascular anomalies was 57 years old female atrial septal defect case. For 1162 cases open heart surgery bubble oxygenators were utilized except 2 membrane oxygenators. Various kinds of bubble oxygenators have been used but recently Shiley**** oxygenators are being used exclusively with satisfactory results.

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CONSIDERATIONS ON ECTOPIC ERUPTION OF MAXILLARY 1ST. MOLAR OF CHILDREN IN KOREA. (한국인(韓國人) 아동(兒童)에 있어서 상악제1대구치(上顎第一大臼齒)의 위치부정맹출(位置不正萌出)에 관(關)한 고찰(考察))

  • Min, Shin-Hong
    • Journal of the korean academy of Pediatric Dentistry
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    • v.5 no.1
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    • pp.12-18
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    • 1978
  • The author has observed the ectopic eruption pattern on oblique cephalogram of 195 children. (5years: 78, 6 years: 58, 7 years: 59). The results were as follows; 1) Making a comparison between hold type and jump type of ectopic eruption, there are 4 cases in Hold type, 5 cases in jump type. 2) Making a comparison of ectopic eruptin between male and female, there are 7 cases in male, 2 cases in female. 3) Making a comparison of ectopic eruption between right side and left side, there are 5 cases at right side, 4 cases at left side. 4) Making a comparison of ectopic eruption among 5 years to 7 years, there are 4 cases in 5 years, 3 cases in 6 years, 2 cases in 7 years. 5) The prevalence of ectopic eruption of the maxillary first molar was 4.61%. 6) Normal eruption angle of the maxillary first molar is prevailing in $80^{\circ}{\sim}85^{\circ}$.

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Surgical Treatment of Myasthenia Gravis (중증 근무력증의 외과적 치료)

  • 손영상
    • Journal of Chest Surgery
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    • v.21 no.3
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    • pp.454-461
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    • 1988
  • Myasthenia gravis is a functional neuromuscular disorder with characteristic voluntary muscle weakness. The role of thymus in pathogenesis of this disorder has become apparent that thymectomy in treatment has gained acceptance. Between January 1976 and June 1987, twenty patients underwent thymectomy for myasthenia gravis at the Department of Thoracic and Cardiovascular Surgery, College of Medicine, Korea University. A clinical study that is focused on the factors affecting the operative results was analyzed and the following results were obtained. Among the 20 patients, male to female ratio was 8:12 and the age of onset was ranged from 3 years to 67 years. The chief complaints in order of frequency were as follows; ocular symptoms such as ptosis and diplopia[7 cases], general weakness[4 cases], swallowing difficulty[3 cases], dyspnea[3 cases], dysphasia[1 case], headache[1 case] and dizziness[1 case]. The severity of disease was classified by modified Osserman`s method that Group IIa was 8 cases, Group IIb; 7 cases, Group IIc; 3 cases and Group I; 2 cases. In histopathology of thymus, the most frequent finding was hyperplasia[11 cases] followed by thymoma[4 cases], normal tissue[3 cases] and malignant` thymoma[2 cases]. There were two cases of postoperative complications; one case was wound infection and the other was mediastinitis. One case of malignant thymoma died due to respiratory failure with pulmonary metastasis. There was 16 cases[80%] of improvement after thymectomy as follows; complete remission was 4 cases[20%], marked improvement was 9 cases[45%] and subjective improvement only was 3 cases[15%]. The effect of severity and duration of disease on operative result has statistically significant. The effect of thymus histopathology on operative result was not statistically significant. But there were comparable results between thymoma cases and non-thymoma cases.

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Clinical Analysis of Vitelline Duct Anomalies in Children (소아의 제장간막관 기형의 임상적 고찰)

  • Kim, Seong-Jip;Chung, Jae-Hee;Song, Young-Tack
    • Advances in pediatric surgery
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    • v.13 no.1
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    • pp.37-44
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    • 2007
  • A vitelline duct (VD) anomaly is a relatively common congenital abnormality of the umbilical area. The anomalies include patent vitelline duct (PVD), cyst, fistula or sinus. The incidence is approximately 2% of the populations, but development of symptoms is rare. Recently, we experienced two cases; PVD accompanied by a small omphalocele and intestinal volvulus due to mesenteric band between Meckel's diverticulum and the mesentery. Thereafter,we evaluated the data of vitelline duct anomalies for 27 years. From 1980 to 2006, 18 cases of VD anomalies were reviewed based on the hospital records retrospectively. There were 15 boys and 3 girls and age ranged from 2 days to 15 years. Among the 18 cases, 15 cases were symptomatic and consisted of Meckel's diverticulum (10 cases), PVD (4 cases) and umbilical polyp (1 case). Three asymptomatic cases of Meckel's diverticulum were found incidentally were and were observed without resection. Ten cases of Meckel's diverticulum were presented with intestinal bleedings (4 cases), intestinal obstructions (5 cases) and perforation (1 case). Wedge resections and segmental resections of ileum were performed in 8 patients and 2 patients, respectively. Postoperative complications were adhesive ileus (1 case) and wound seroma (1 case). Small omphaloceles were accompanied in two of 4 PVD patients. There was 1 small omphalocele case which was accompanied by a prolapse of ileum. In summary, VD anomalies were more common in male and more than half of them were found in patients less than 1 year of age. PVD was diagnosed most frequently in neonates. Meckel's diverticulum presented with intestinal obstruction more frequently than bleeding.

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