급성 횡문근융해의 자기공명영상 소견: 증례 보고

권순태,조강희,Gwon, Sun-Tae,Jo, Gang-Hui 대한영상의학회 2003 대한영상의학회지 Vol.49 No.2

급성 횡문근융해는 골격근손상으로 인해 세포내 물질이 세포외와 혈장으로 유리되는 급성질환으로,근세포막이 파괴되는 여러 가지 근육 질환,즉 약물 또는 알코올 남용,감염,좌상,교원질병,갑작스럽고 심한 운동,지속적인 혼수상태 등으로 유발된다.최근 저자들은 일산화탄소 중독과 알코올 과다 섭취 후에 생긴 급성 횡문근융해 환자를 경험하였기에 초음파 및 자기공명영상 소견을 문헌 고찰과 함께 보고하는 바이다. Rhabdomyolysis is an acute disorder resulting from skeletal muscle injury in which intracellular contents are released into extracellular space and plasma. The condition may result from drug or alcohol overdose, infection, crush injuries, collagen disease, or intensive exercise. We report two cases of acute rhabdomyolysis resulting from CO poisoning and alcohol overdose, and discuss the MRI and ultrasonographic findings

Up Band CDMA 실험기지국을 위한 PLL Synthesizer의 설계 ( Design of PLL Synthesizer for Up-Band CDMA Test Bed )

권순태,임재봉,조흥구,이성재 대한전자공학회 1996 대한전자공학회 학술대회 Vol.1996 No.1

견관절의 자기공명영상

권순태 대한견주관절의학회 2004 대한견주관절학회 학술대회논문집 Vol.2004 No.11

마 추출물이 방사선처리 식물세포의 생장과 핵 DNA 손상에 미치는 영향

권순태,권인숙,박윤문 한국자원식물학회 2009 한국자원식물학회지 Vol.22 No.5

\This study was carried out to evaluate the effects of yam(Dioscorea batatas Dence) extracts on the cell viability, growth and nucleus-DNA damage of tobacco cells which were exposed to γ-radiation stress. The viability and growth of tobacco cells exposed to 20Gy of radiation stress were effectively recovered by pretreatment of 10mg/L ethylacetate (EtOAc) yam extract. Pretreatment of EtOAc extract showed 20% higher cell viability and fresh weight growth than that of cells without pretreatment in 20Gy radiation treated tobacco cells. Nucleus-DNA damage was measured as the ratio of tail length (T) to head length(H) in individual comet image isolated from tobacco cells. The T/H ratio of control-cells and treated-cells at 20 Gy were 1.05 and 1.68, and % head DNA of those cell were 86.7 and 71.3%, respectively, suggesting that nuclei of tobacco cells were severely damaged in the integrity of DNA by the treatment of γ-radiation. However, pretreatment of MeOH, EtOAc and n-BuOH extracts decreased radiation induced DNA-damage in the tobacco cells, showing T/H ratio of 1.37, 1.01 and 1.10 and % head DNA of 81.5, 87.6 and 88.7%, respectively. \식물세포에 마(Dioscorea batatas Dence) 추출액의 전처리가 방사선 스트레스에 노출된 배양세포의 활력, 생장 및 핵 DNA 손상에 미치는 영향을 조사하였다. 마의 분획추출물 중 EtOAc 분획추출물을 식물세포에 전처리하고 20Gy의 방사선에 노출시키면, 마 추출물을 전처리하지 않고 방사선 20Gy만 처리한 세포보다 세포의 활력과 생체중이 20%이상 증가하였다. Comet 분석에서 꼬리부분의 길이(T)와 머리부분의 길이(H)를 측정하여 T/H 비율을 조사하였다. 무처리 세포와 방사선 20Gy를 처리한 세포의 T/H 비율은 각각 1.05 및 1.68로 나타났고, head DNA 량은 각각 86.7% 및 71.3%로 무처리 세포와 방사선을 처리한 세포간에는 큰 차이를 보여, 방사선에 의한 심각한 핵 DNA 손상을 관찰할 수 있었다. 그러나 마 추출물 중 MeOH, EtOAc 및 n-BuOH 분획추출물을 식물세포에 전처리하고 20Gy 방사선을 처리하면, T/H 비율은 각각 1.37, 1.01 및 1.10이었고, head DNA량은 81.5%, 87.6% 및 88.7%로 방사선을 처리 하지 않은 무처리세포 수준으로 회복되었다.

히어리(Corylopsis coreana)의 삽목번식시 발근촉진제의 처리에 따른 발근력 변화

권순태,김재창,정정학 한국화훼산업육성협회 2011 화훼연구 Vol.19 No.4

히어리 대량급속증식법의 기초를 마련하기 위해, 발 근촉진제의 처리가 히어리 삽수의 발근에 미치는 영향을 살펴보았다. 삽수는 6~8년생 실생 히어리로 부터 채취 하였으며, 발근촉진제로는 IBA용액, 루톤분의제 등을 이용하였다. 1차년도의 실험의 결과, 3월 20일 숙지삽 목에서는 발근촉진제의 효과가 없었다. 6월 20일 녹지 삽의 경우에는 IBA 100mg·L-1 용액 24시간 침적처리구 에서 발근력이 가장 좋았다. 특히, 경시조사결과 IBA100 mg·L-1 24시간 침적처리구에서는 발근속도가 현저 하게 빨라졌다. 2차년도의 실험의 결과에서는 IBA 200 mg·L-1 용액 24시간 침적처리구에서는 삽목 30일 만에 거의 모든 개체가 발근(97.8%)하였으며 발근수나 발근장도 타처리구에 비해 월등히 좋았다. This study was conducted to determine the effects of several rooting promoter treatments on rooting of Corylopsis coreana cutttings for mass production. In first year experiment, no effect of rooting promoters was observed in hardwood cuttings taken on March 20. However, In softwood cuttings of June 20, rooting potential was greatly increased by IBA 100 mg·L-1 dipping treatment for 24 hours. Particularly, IBA 100 mg·L-1 24 hour dipping treatment greatly shortened the days required for the rooting. In second year experiment, the result of first year was reconfirmed. Almost of all the cuttings (97.8% of rooting rate) were well rooted after only 30 days after cutting by IBA 200 mg·L-1 24 hour dipping treatment. In this treatment, numbers and length of root were also prominent compared with any other treatment results.

일부 종합병원 간호사들의 요통 유병상태에 관한 조사연구

권순태,이동배,이태용 충남대학교 의과대학 지역사회의학연구소 1991 충남의대잡지 Vol.18 No.2

A questionaire survey was conducted on 482 hospital nurses in Taejeon City to investigate the prevalence & epidemiolgical characteristics of work related LBP during past six mouths. The results obtained were as follows. 1. Overall 6 months prevalence rate of LBP was 49.5% & mean duration of LBP were 10.8 days. 2. 6 months prevalence rate of LBP was the highest among nurses of care unit with 61.4% & mean duration of LBP were significantly longer among nurses of care unit with 17.7 days than other department workers. 3. 6 months prevalence rate of LBP was significantly higher among groups lifting frequency/day more than 20 with 62.9% than below 20 group with 46.1% (P<0.01). 4. Back injury rate was 27.4% with lumbar sprain with 19.5%, contusion with 7.5%. 5. Back injury rate was significantly higher among care-unit workers with 32.4% (P<0.05) than other department workers. 6. 10.8% of workers with LBP experienced absenteeism due to LBP. Among the injured, only 39.6% ran been treated.

수두증의 평가를 위한 방사성동위원소 뇌조조영술 소견의 유형적 분류 : 전산화단층 촬영, 자기공명영상 및 임상 소견과의 비교

권순태 대한영상의학회 1993 대한영상의학회지 Vol.29 No.5

To evaluate the clinical usefulness of radionuclide(RI) cisternographic findings of 47 patients by using our classification which was modified from Vaum's and correlated them with CT(n=37) or MRI(n=10) findings and clinical outcome in selected patients with hydrocephalus (n=37). Modified RI cisternographic patterns of 37 patients were type I in three cases (8%), type II in seven (18%), type III-A in six(16%), no case of type III-B, type IV-A in 12(32%), and type IV-B in nine (24%). RI cisternography enabled to differentiate communicating hydrocephalus (27 cases, 73%) from noncommunicating hydrocephalus (10 cases, 27%) There was marked clilnical improvement in 17 patients (46%), slight improvement in 11 patients (30%), and no improvement in nine patients (24%) The clinical outcome of patients with RI cisternographic type IV-B was worse than that of other types. CT and MRI could neither predict the clinical outcome nor differentiate type IV-B from Thpe IV-A(p>.05) Ventricular size index (VSI) was significantly higher in patients with type IV than that with other types(p<.001). RI cisternographic patterns of communicating hydrocephalus were relatively correlated with clinical outcome (r=-0.53, p=.001), VIS (r=0.59, p=.001) and dilatation of fourth ventricle (r=0.41, p<.05) We suggest that our modified classification of RI cisternographic patterns can provide more strict physiological assessment of the CSF dynamics and RI cisternography may be still useful to differentiate communicating hydrocephalus from noncommunicating hydrocephalus and to predict the clinical outcome in conjunction with CT/MR findings and clinical presentation

회음부 연부조직에 발생한 염증성 근섬유모세포종:1예보고

권순태,김종철,Gwon, Sun-Tae,Kim, Jong-Cheol 대한영상의학회 2001 대한영상의학회지 Vol.45 No.4

염증성 근섬유모세포종은 원인을 알 수 없는 드문 양성질환으로 간혹 악성종양과 유사한 소견을 보인다.조직학적으로 근섬유모세포와 형질세포,임파구로 구성되어 있고,폐,간,안와,피부,장간막,후복막,그리고 상악동 등에 보고 된 바 있다.저자들은 우측 회음부에서 촉지된 종괴를 주소로 내원한 35세 여자환자에서 피하지방에서 발생한 염증성 근섬유모세포종 1예를 경험하였기에 방사선학적 소견을 중심으로 보고하고자 한다.이 종괴는 초음파 검사에서 우측 회음부에 경계가 좋은 엽상형의 저에코 병변이며 종괴 주변에 일부 고에코의 선상음영들이 관찰 되고,T1 강조 자기공명영상에서 근육과 비슷한 신호강도,T2 강조 자기공명영상에서 불균일 고신호강도로 관찰되며 종괴와 주변 불균일 선상음영의 강한 조영증강을 보였다.환자는 외과적 절제술을 시행하였고 병리조직학적 진단은 염증성 근섬유모세포종이었다. Inflammatory myofibroblastic tumor is a rare benign condition of unknown etiology, and it may simulate malignancy. It is composed of myofibroblast, plasma cells and histiocytes and is found in lung, the liver, orbit, skin, mesentery, retroperitoneum and maxillary sinus. We report a case of inflammatory myofibroblastic tumor of perineal subcutaneous fat in a 35-year-old woman who complained of a palpable mass. Ultrasonography revealed a well-marginated lobulated hypoechoic lesion with peripheral poorly-defined hyperechoic strands in the subcutaneous fat of the right perineum. The lesion demonstrated low signal intensity on T1-weighted images and of heterogenous high signal intensity on T2-weighted images, compared with surrounding muscle. After intravenous injection of gadolinium, it showed clear homogeneous enhancement but poorly-defined adjacent strands. The final histologic diagnosis was inflammatory myofibroblastic tumor.

영어교육을 위한 CD-ROM 타이틀 및 인터넷 활용

권순태() 산업기술교육훈련학회 2007 산업기술연구논문지 (JITR) Vol.12 No.1

Today, communicative competence is emphasized in English education. In this point of view, it is very significant to use a multi-media computer in English education. The efficiency of computer in English teaching and learning is enhanced as audio-visual functions of multi-media computer system developed. We discuss the benefits of multi-media computer in English teaching and learning, and analyze the content and organization of CALL programs used in a variety of CD-ROM titles and the internet as a useful method of English education. The CD_ROM titles can give virtual reality to the students. However, the CD-ROM titles also have limits in its use. The current programs mostly deal with listening and reading skills and vocabulary, so there is limitation in speaking and writing skills. Another limitation of the CD-ROM titles is that they cannot respond to learners needs immediately

건조, 염분 및 탕의 처리가 쇠비름(Portulaca oleracea L.) 배양세포의 재분화에 미치는 영향

권순태,오세명 한국식물생명공학회 1994 식물생명공학회지 Vol.21 No.2

The optimal level of growth regulator for callus initiation stem explants was BAP 0.1mg/L combined with 2,4-D 1.0 mg/L in Murashige and Skoog (MS) medium supplemented with 30g/L sucrose and 10g/L agar, and that for cell growth was BAP 0.1+2,4-D 0.5 mg/L in MS liquid medium. The regeneration frequency of P. oleracea cells was significantly increased by subjecting the cells to dessication for 1and 2 h up to 83%, respectively, as compared with untreated control showing 61%. Cell viability and survival rate was inhibited by pretreatment of 0.6% NaCl for 2 days, while regeneration ability was not affected by the treatment. Pretreatment of 100g/L sucrose for 2 days markedly stimulated the regeneration of cells up to 81%. These results suggest that in addition to physiological changes, water stress resulted from dessication and high concentration of sucrose and NaCl is closely related to the regeneration of P. oleracea cultured cells. 쇠비름(portuaaca oleracea L.)의 줄기절편체로부터 캘러스유도를 위한 적정배지는 BAP 0.1 + 2,4-D 1.0 mg/L., 30g/L sucrose 및 10 g/L agar를 첨가한 MS배지로 나타났으며, 액체배양에 의한 세포의 증식에는 BAP 0.1 + 2,4-D 0.5mg/L가 함유된 MS배지가 효과적이었다. 장시간 건조처리는 세포는 활력과 재생 및 재분화율이 강하게 억제되나, 1시간 및 2시간동안의 단시간 건조처리한 세포의 재분화율은 각각 83및 80%로 나타나나 무처리 61%에 비해 높았다. 0.6% NaCl의 2일간 전처리는 세포의 재분화율에는 영향을 미치지 않으나, 세포활력 및 재생률에는 억제작용을 나타내었다. Sucrose 70및 100 g/L를 전처리한 쇠비름세포의 재분화율은 각각 80및 81%로 무처리에 비해 높았다.