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Lymphangioma에 의한 거설증을 지닌 환자의 개교합 증례보고 : A CASE REPORT
윤희훈,이상대,김영재,장기택,한세현,이상훈 大韓小兒齒科學會 2004 大韓小兒齒科學會誌 Vol.31 No.2
Lymphangioma는 림프관에 나타나는 양성종양으로 림프관의 증식을 특징으로 한다. 이 종양의 대부분은 출생 시에 나타나며 종양의 95%정도가 10세 이전에 나타난다. 구강 내에 발생하는 경우에는 혀에서 가장 호발하며 거설증을 야기한다. 대개 양측성으로 혀의 전방 2/3부위에 나타나며 불규칙한 회색과 핑크빛을 띤 소절형태를 보인다. 본 증례 모두에서 환아들은 출생당시 혀에 lymphangioma를 지니고 태어나 거설증을 보였으며 이로 인해 개교합과 하악과성장 양상을 나타내었다. Lymphangioma에 의한 비정상적인 혀의 비대에 의해 환아의 구강과 두개안면부의 주위조직에 대한 적응 결과로 나타난 소견을 관찰하고 관련문헌을 고찰하여 다소의 지견을 얻었기에 보고하는 바이다. Lymphangioma is a benign tumor of lymphatic vessels. The majority of cases are present at birth and 95% of the tumors aroused before the age of 10 years. Oral lymphangioma may occur at various sites but are most frequent on the anterior two thirds of the tongue, where they often result in macroglossia. The lesions present nodularity with gray and pink projections. In the present cases, all the patients who had the macroglossia combined with lymphangioma showed openbite and mandibular prognathism. The purpose of this paper was to report the dental and craniofacial findings of macroglossia combined with lymphangioma and review the pertinent literature through the cases.
소아치과 영역에서 전산화 단층촬영술의 임상적 활용에 대한 증례보고
이윤석,이상훈,장기택 大韓小兒齒科學會 1998 大韓小兒齒科學會誌 Vol.25 No.3
1. CT 에 의한 매복치의 위치결정은 적절한 치료계획의 수립을 가능하게 하여 시술시가의 단축과 인접치, 인접구조물의 손상을 줄여 시술후의 부작용을 줄일 수 있었다. 2. 매복된 영귀치의 견인시 CT를 활용한 결과 개창부위의 정확한 위치결정과 예후에 대한 예측이 가능하였다. 3. 평면방사선사진의 판독후 악골내 병소가 의심되어 CT를 활용한 결과 병소의 확진이 가능하였다. 4.. 소아의 CT 촐영은 평면 방사선 촬영에 배해 증가된 방사선 피폭량, 높은 수가 절한 증례의 선택이 중요하다. Computed tomography (CT) has become more widely available in recent years and is recognized as an important diagnostic tool for complex disease and condition of the orofacial structure in adults. In pediatric patients, especially in the mixed dentition period, the number of superimposing dental structures in the jaw bone is much greater than in the permanant dentition period. Therefore, in spite of radiation risk, computed tomography should sometimes be used in pediatric patients in order to obtain a precise and valid diagnosis. This case study presents clinical application of computed tomography on patients visiting department of pediatric dentistry in Seoul National university Dental Hospital. The results obtained through these cases were summarized as follow: 1. Localization of impacted teeth using CT allows for efficient treatment planning leading to reduced postoperative complications. 2. In orthodontic traction of impacted permanent teeth, utilization of CT made exact localization of window site and determination of prognosis possible 3. Use of CT made possible definite diagnosis of lesions in the jaw that were only suspected on plain film radiographs. 4. Careful selection is necessary when applying CT on children due to increased radiation dose and high cost.
이윤복,서기원,류봉기,김광호,박희찬,장윤식 釜山大學校生産技術硏究所 1996 生産技術硏究所論文集 Vol.50 No.-
카올린으로 부터 수화염기성황산알루미늄을 제조하고, 이것을 탄소열환원질화하여 질화알미늄 분말을 합성하였다. 수화염기성황산알루미늄은 카올린으로 부터 제조된 수화황산알루미나 0.5M 및 요소 5M인 용액으로 부터 얻은 것이 가장 미세하였다. 탄소열환원질화법으로 질화알미늄을 합성할 때 활성화탄과 염기성황산알루미늄의 질량비가 2인 조성이 가장 적합하였으며, 이 때 얻어진 질화알미늄은 0.3-1㎛의 submicron급 분말이었다. Aluminum nitride powder was synthesized by carbothermal reduction-nirtridation using kaolin- derived hydrated basic aluminum sulfate. The hydrated basic aluminum sulfate powder produced from the solution of 0.5M hydrated aluminum sulfate and 5M urea showed very fine particles. The aluminum nitride showed the submicron powder of 0.3-1㎛ in the optimum condition with 2.0-weight ratio of activated charcol to hydrated basic aluminum sulfate.
알레르기 피부 반응 검사시 판독 시간에 따른 팽진의 크기 변화
박장규,윤소영,이웅재,서기범,이증훈 충남대학교 의과대학 지역사회의학연구소 1996 충남의대잡지 Vol.23 No.2
There have been several positive criteria for skin prick test, which has been most commonly used in the diagnosis of allergic diseases. Among them, comparing wheal size induced by allergen to that induced by histamine is logical for criteria of skin prick test positivity. We measured the wheal sizes induced by histamine and various causative allergens with five minutes interval, from 5 minutes to 40 minutes, and compared of the time which the wheal size of both reached at peak. The followings were the summary of the findings. 1. Maximal sizes of wheals induced by histamine reached at 12 minutes in average. 2. Maximal sizes of wheals induced by allergens reached at 15 minutes in average. 3. There was no statistical difference between the time of maximal size of wheal induced by histamine and causative allergen.
급성 인두 및 편도염에서 4-nitro-2-phenoxymethanesulfonanilide(Nimesulid)의 임상효과
유장렬,윤춘원,윤성기,김무명,박찬일 충남대학교 의과대학 지역사회의학연구소 1991 충남의대잡지 Vol.18 No.1
Nimesulid, 4-nitro-2-phenoxymethanesulfonanilide, a non-steroidal antiinflammatory drug endowed with potent anti inflammatory, analgesic and antipyretic activities was tested at a daily dose of 200mg b.i.d. against 40 cases of acute pharynogotonsillitis. The therapeutic effect was appeared in 36 cases(90%): 13 cases(32.5%) in Group I, 12 cases(30%) in Group Ⅱ, 11 cases(27.5%) in Group Ⅲ. 2 cases complained gastrointestinal discomfort.
휴대전화의 전자파가 생쥐의 뇌에서 p39의 발현에 미치는 영향
정기윤,김경훈,장성근 순천향대학교 기초과학연구소 2004 순천향자연과학연구 논문집 Vol.10 No.2
p39 is a regularory subunit of Cdk5(Cyclin-dependent kinase 5) that regulate cell division. Reletive quantitation of p39 RNA has done by Q-RT PCR method. ICR female mice are exposed at electromagnetic wave making machine simulated as korean standard cellular phone wave frequency and wave length for 9 hours/day for 3 months before sacrificed. Brain regions are removed from sliced brain tissue in 400um thick. Total cellular RNA was extracted from cerebellum, hippocampus, thalamus and hypothalamus for Q-RT PCR process using SYBR green dye. In cerebellum, p39 expression level is decreased at 1/5 of the control. In thalamus and hypothalamus, the level is decreased at half of the control. But in hippocampus the expression level of the p39 is not changed. Differential effect of the cellular phone like electromagnetic wave to verious region of the brain is examined.
소방대원들의 실내, 실외 근무 형태에 따른 유산소 운동능력 및 등속성 근력
김남익,장지훈,성기홍,윤성 한국유산소운동과학회 2002 대한스포츠융합학회지 (jcses) Vol.6 No.1
The purpose of study was to investigate the influence of cardiopulmonary function and isokinetic knee joint muscle strength on duty form in the fm fighters. 28men who aged 30-40 years were measured by resting pulmonary function test, exercise stress test(Q4500, Quinton, Co.) and isokinetic knee joint muscle strength testing(Cybex 6000 dynamometer system). Subjects were divided into the 2 groups that were indoor duty group and outdoor duty group. Statistical analysis was performed using analysis of variance t-test. Major findings and conclusion are as follows: In body fat test, outdoor duty groups was showed lower than that of indoor duty group. For the lung function test at rest, lung volume, vital capacity, MVV, FEVO.5-1.0, expiratory and inspiratory flow rate were checked. In results, outdoor duty group was showed higher than that of indoor duty group. During exercise stress test, heart rate, ventilation, and oxygen uptake, were checked by automatic gas analyzer. In results, outdoor duty group was showed higher than that of indoor duty group. In isokmetic knee joint muscle strength, peak torque and average power of indoor duty group was showed significantly lower than that of outdoor duty group. At Comparison of right and left knee joint, isokinetic strength, isokinetic power and isokimtic endurance of right knee joint was showed significantly higher then that of left knee joint, but in 60 degree per second, left knee joint was showed higher then that of right knee joint. Result from this investigation show greater personal training and fire quell a not, emergency rescue activity was increased knee joint muscle strength. Therefore, physical fitness and health maintenance programs for fire fighters have been developed, implemented and proven to reduce morbidity and mortality and financial expenditures.