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간암과 간세포이형성 부위의 철침착 저항성에 대한 조직학적 연구
조욱행,강대영 충남대학교 의과대학 지역사회의학연구소 1993 충남의대잡지 Vol.20 No.1
Liver cell dysplasia(LCD) is commonly associated with some liver diseases such as liver cirrhosis or hepatocellular carcinoma and has been regarded as a premaligant condition. In order to clarify the question of whether or not LCD is a premalignant liver lesion, iron special staining, Prussian blue, was done. The specimens were collected at the department of pathology, Chungnam National University College of Medicine from January 1983 to September 1992. The results were as follows: 1. Of observed 48 cases, 34 were hepatocellular carcinoma(70.8%), 11 were metastatic carcinoma(22.9%), and 3 were hepatoblastoma(6.3%). 2. LCD was present in 26 of 34 cases(76.5%) of hepatocellular carcinoma, 5 of 11 cases(45.5%) of metastatic carcinoma, and 1 of 3 case(33.3%) of hepatoblastoma. 3. The carcinoma cells were free of iron deposition(iron excluding foci) in contrast to the neighboring dysplastic or nonneoplastic normal hepatocytes. 4. The presence of iron deposition in LCD cases was similar to or more severe than that of normal hepatocytes. In summary, the results obtained from the present study indicate that LCD reflects neither a regenerating condition nor a premalignant lesion but suggests a reactive change or accompaning lession.
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조욱행,이윤주 충남대학교 의과대학 지역사회의학연구소 1994 충남의대잡지 Vol.21 No.1
The coronal approach is useful technique in the correction of fractures accurately above the Le fort I level. This is a retrospective clinical study on usage of coronal approach in the treatment of various facial bone fractures. Fifty four patients were seen between March, 1990 and September, 1993. There were 4lcases with zygomatic complex fractures, 9 cases with Le fort II or III fractures, 3 cases of frontal sinus fractures and 1 case with orbital roof fracture. This study shows that this technique provides full exposure of fracture site, allowing to accurate anatomical reduction and rigid fixation and good cosmetic result in incision site, so excellent cosmetic and funtional result.
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한국 성형외과 수련병원의 구순열, 구개열 치료 경향에 대한 조사
이택종,조욱행 大韓成形外科學會 1995 Archives of Plastic Surgery Vol.22 No.4
This is a report of a national survey into cleft management which was carried out in 1994. The purpose of this survey was to obtain an over-all view of the status of cleft lip and palate management in Korea. The survey was completed by 51 chief residents representing 85% of the training programs in Korea. The results were as follows: 1. The most common unilateral cleft lip repair method used is the rotation-advancement technique(96%). The majority of lip repairs are carried out at 10 weeks to 6 months(87%). 2. Twenty-nine percent of programs correct cleft lip nasal deformity at the time of lip repair while 49% of programs do at preschool age. 3. Various techniques are used to repair bilateral cleft lip although Millard repair is the most common management(61%). Most programs operate on both sides simultaneously(77%). 4. Four-seven percent of respondents choose lip adhesions to manage protruded premaxilla. 5. The majority of the programs at least occasionally use lip adhesions, both for unilateral(65%) and bilateral cleft lips(75%). 6. Fifty-one percent of the programs perform alveolar cleft repairs during the period of mixed dentition and 47% of the programs repair alveolar clefts using gingivoperiosteoplasty. 7. The usual cleft palate repairs are the pushback(73%) and the double opposing Z-plasty (69%). Most programs(98%) close the soft and hard palate together during the same surgical procedure usually at 12 to 18 months.(80%) 8. The most common treatment of velopharyngeal incompetence is pharyngeal flap(84%). 9. Half of the programs at least occasionally perform presurgical orthopedics while half of them never do. 10. Eighty-two percent of the programs do not organize interdisciplinary cleft teams. The results were compared with a similar survey done by Min and Kim in 195 and we could find many changes since then. As management of cleft patients is best provided by an interdisciplinary team of specialists, more cleft teams are needed in Korea.
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Big zig zag 관상절개법을 이용한 관골 골절의 치료
이택종,조욱행 大韓成形外科學會 1995 Archives of Plastic Surgery Vol.22 No.5
The coronal approach is a useful technique for the accurate correction of facial fractures above the Le Fort I level. This is a retrospective clinical study on the usage of the big zig zag coronal approach for the treatment of zygomatic complex fractures. Fifty nine cases of zygomatic complex fracture underwent open reduction and rigid fixation through zig zag coronal incision from March, 1990 to April, 1994. Clinical follow-up ranged from 1 to 5 years (mean 3½years). There were 7 cases with minor complications. Of these, 4 had temporary weakness of the frontalis muscle which recovered completely within 6 months. One had temporal depression and 2 were transfused due to associated organ injury. there were no conspicuous alopecia or scar. The results of these cases revealed that the coronal approach could provide full exposure of fracture sites, allowing accurate anatomical reduction and rigid fixation. In addition, by means of the beveled and big zig zag incision, alopecia and visible linear scar could be avoided.
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