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윤선웅,정해원,조병용,최병준,이백수,권용대,오주영,이정우 대한치의학회 2014 Journal of korean dental science Vol.7 No.1
Dentigerous cyst (DC) is an odontogenic cyst associated with the crown of an impacted, embedded, unerupted, ordeveloping tooth. It is the second most common type of odontogenic cysts, accounting for 14% to 24% of all jawcysts. Although these cysts occur more frequently during the second and third decades of life, they can also be foundin children and adolescents in the mixed dentition stage. Treatment of the odontogenic cyst involves enucleationor marsupialization/decompression methods. The latter approach is preferred for larger cysts, and it is especiallyhelpful in adolescent patients in conserving the unerupted permanent successors. The aim of treatment for DC isthe complete elimination of pathology and maintenance of dentition with minimal surgical intervention. Recentlydefined criteria for the selection of treatment modality include the cyst size and location of the cyst, patient age,dentition involved, stage of root development, position of the tooth involved in the jaw, and relationship with thesurrounding vital structure. Marsupialization or decompression technique has been advocated by several authors fortreating DCs among young patients. In this conservative technique, the creation of an accessory cavity helps relieveintra-cystic pressure and accelerate the healing of cystic lesion. This technique has been successfully performedand is indicated for growing children and adolescents. Here, we report a large cyst lesion in the mandible treatedby marsupialization for conservative management. In conclusion, successful reduction in size was achieved, andintraoperative complication could be prevented.
윤선웅,연석주,김종흠 한국결정성장학회 2004 韓國結晶成長學會誌 Vol.14 No.1
본 실험은 대형의 고품질 DAST 결정을 위한 결정안정성과 재현성의 향상에 관하여 연구하였다. DAST 결정은 냉각법에 의한 메탄을 포화용액에서 성장시켰으며, 4-methyl-n-methyl pyridinum tosylate의 축합상태로 합성하였다. DAST 분말은 piperidine이 존재한 상태에서 r-picoline. methyl p-tolune sulfonate 그리고 P-dimethylaminobenzaldehyde로부터 제조하였다. 이때 DAST $H_2O$의 생성을 피하기 위하여 dry Argon분위기에서 합성하였다. 이것은 DAST분자가 습한 분위기에서 결정화될 경우 결정구조는 중심 대칭이 되고 그러한 경우에 DAST 미세결정이 습기를 함유하면 2차 비선형 광학특성은 사라지기 때문이다. 우리는 성장방향을 (001)면으로 고정시켰다. 성장조건은 $H_2O$/day로 서냉시켰으며 기간은 4일 동안이었다. seed 결정의 크기는 $2.5\times 3.6\times0.4\textrm{mm}^3$이며 $10\times 10.5\times3.0\textrm{mm}^3$의 DAST 결정을 제조했다. 육성된 DAST는 빨간색이며 메탈릭그린처림 보이는 표면특성을 나타내였다. In this study, we have investigated the development of the crystal growth stability and reproducibility for large and high-quality DAST. DAST crystal were grown from a saturated methanol solution by a slow cooling method and DAST was synthesized by the condensation of 4-methyl-n-methyl pyridinum tosylate, which was prepared from 4-pocoline and methyl toluenesulponate and 4-N-dimethyl amino-bezaldehyde in the presence of piperidine. We had synthesized DAST crystals in dry Argon atmosphere in order to avoid the formation of hydride organge co-crystals, DAST$.$$H_2O$. Since DAST molecules crystallize in a humid atmosphere, crystal structure become centrosymmetric, and then second order NLO (nonlinear optical) properties would be disappeared. We fixed the growth orientation of DAST crystal (001) surface. The crystal growth was proceeded at a cooling rate of $H_2O$/day and the cooling period is for 4 days. The dimensions of seed crystal was $2.5\times 3.6\times0.4\textrm{mm}^3$ and we have obtained a DAST crystal with the dimension of $10\times 10.5\times3.0\textrm{mm}^3$. The color of grown DAST crystal is red and it's surface appears to be metallic green.
S-481 장요근 농양으로 오인된 급성 신손상을 동반한 거대 요낭종
윤선웅,박창한,윤덕기,진용현 대한내과학회 2016 대한내과학회 추계학술발표논문집 Vol.2016 No.1
배경: 요낭종은 신장주변 관외로 흘러나온 소변의 피포성 집합으로 신장의 외상, 요로결석, 방광요관역류, 복부종양등 요관폐쇄로 발생하며 대부분 저절로 호전, 극히 일부에서 요낭종으로 진행한다. 저자는 환자의 진단을 장요근 농양으로 판단했으며 치료목적으로 농양주위로 Pig tail catheter 삽입 후 drain 성분 분석을 통해 요낭종으로 진단하였다. 이에 다른 질환에 대한 감별 진단이 중요함과 국내에서 급성 신손상을 동반한 거대 요낭종이 보고되지 않아 발표하고자 한다. 증례: 81세 남자가 고열로 내원후 정밀검사 위해 촬영한 CT상 우연히 거대 요낭종을 발견하였다. 치매,심부전 과거력과 이학적 검사상 좌측 늑골척추각 타진시 통증을 호소하였다.말초혈액검사에서 WBC 17,000/uL, Hgb 11.7 g/dl, PLT 114,000 /uL, CRP 16 mg/dL, BUN 36 mg/dl, Cr 2.8 mg/dl,AST 87IU/L, ALT 84IU/L, 총단백 4.6 g/dL, 부민 1.6 g/dL,T-Bil 0.5 mg/dL,Osmolality 310,혈액배양검사는 음성이었다. 소변 검사상 Cr 45.7 mg/dl, Na 92 mmol/l, Osmolality 447 mosmol/kg, Microsopy RBC 30-49/HPF, WBC 100/HPF, FeNa 4.12%, 급성신손상 동반상태로 Nonenhance CT 촬영하였으며 좌측 신장하부에서부터 좌측 장요근을 따라서 다발 중격 형성과 하부요관에 약 0.6 cm 요관결석과 수신증 소견이 관찰되었다. 중격을 형성한 부분이 좀더 고해상(HU 10~30)을 보였으며 고열과 측부통증 임상양상 고려하여 후복막내 장요근을 따라 발생한 농양 가능성이 높았다. 농양치료 위해 Pig tail catheter 삽입하였으며 배액되는 내용물과 소변을 각각 분석검사와 배양검사 시행후 같은 성분임을 확인하였다. Intervention 후 요낭종 크기 감소와 Cr. 0.8 mg/dl 이하로 지속적으로 감소하였다. 급성 신손상 원인은 좌측 하부요관에 있는 0.6 cm 요관석으로 인한 역압에 의해 형성된 요낭종으로 신후성 급성 신손상이었다.
규칙적 운동을 하는 남녀 성인의 근력운동 빈도에 따른 영양 보충제 이용 및 영양정보 획득의 실태 및 영양지수
윤선웅,강현주,김형숙,이홍미 대한영양사협회 2022 대한영양사협회 학술지 Vol.28 No.2
This study compared the pattern of purchasing nutritional supplements and obtaining nutrition information and the Nutrition Quotient of adults who exercise regularly according to the frequency of muscle training(LM, muscle training less than two days/week; MM, 2∼3 days/week; HM, more than three days/week). Compared to the other groups, significantly more men in the HM group answered that they had purchased supplements and would repurchase them. They presented “increasing muscle mass” as the purpose of buying them and “types and contents” as the major factor to consider before buying. The supplements that significantly more subjects in the HM group purchased than in the other groups were protein supplements, BCAA (Branched-chain amino acid), arginine, and caffeine supplements for men and protein supplements, BCAA and carnitine for women. Compared to the other groups, significantly more men and women in the HM group reported “trainer” as the major source of nutrition information, and significantly more men in the HM group reported “increasing muscle mass” as the 1st topic of nutrition education that they wanted to receive and were satisfied with the information that they obtained. Most of all, males and females in the HM group had significantly a higher Nutrition Quotient than in the other groups. The differences between males and females in variables regarding exercise, the patterns of using supplements and acquiring nutrition information, and Nutrition Quotient were also found. These results can provide basic data for developing educational materials emphasizing the wise consumption of nutrition information, including supplement intake.