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양성 갑상선 낭종에서의 초음파유도 무수 에탄올 경화술 : 22예에서의 치료성적
조용수 대한영상의학회 1999 대한영상의학회지 Vol.40 No.2
Purpose : To evaluate the efficacy and safety of sono-guided ethanol sclerotherapy for benign thyroid cysts.Materials and Methods : We studied 22 patients with benign thyroid cysts (9 pure and 13 complex) confirmed by fineneedle aspiration biopsy. The procedure was performed every one or three months for a total of one or twosessions(mean 1.2 times). Sono-guided needle aspiration of the cysts was followed by instillation of absoluteethanol(99.9%) into the cystic cavity ; the injected volume of ethanol was 40-100% that of aspirated fluid.Follow-up ultrasonography was performed one to ten months( mean: 3.5 months) after the final session, andcomplications occurring after ethanol sclerotherapy were observed. Results : Initial cystic volume was3.5-42(mean: 13)ml. In 21 patients( 95%), cystic volume had decreased: In 13 patients(59%), the decrcase was 50%or more, and in six (27%) was 1-49%. In two patients(9%), the cysts had been obliterated, but in one there was nochange. The volume of instilled ethanol correlated significantly with the volume reduction rate of the cyst (p <0.01, t test). After ethanol sclerotherapy, the volume of thyroid cysts larger than 10ml had significantlydecreased compared to that of thyroid cysts with a volume less than 10 ml(p < 0.005, t test). Importantlongstanding and severe complications were not observed ; in two patients, a small amount of leakage insubcutaneous tissue caused local pain and redness. Conclusion : Sono-guided ethanol sclerotherapy is a safe andeffective tool for the treatment of benign thyroid cysts.
암모니아가 가토심방근 및 동방결절세포의 활동전압에 미치는 효과
조용수,강석한,김진혁,고상돈,김기순,Cho, Yong-Soo,Kang, Sok-Han,Kim, Jin-Hyuk,Koh, Sang-Don,Kim, Kee-Soon 대한생리학회 1989 대한생리학회지 Vol.23 No.2
Electrophysiological effects of ammonia was studied in the isolated superfused sinus node and atrial muscle cells of the rabbit heart. No significant changes were observed in the overshoot potential (05), maximum diastolic potential (MDP), and action potential amplitude (APA) of the sinus node cells following superfusion with 3.0 mM ammonia, fifty times upper limit of the normal human plasma level. However the action potential duration (APD) of sinus node cells were significantly prolonged after superfusion with 0.6 mM ammonia for 20 min or with 1.2 and 3.0 mM ammonia for 5 minutes. Ammonia in all the concentrations tested decreased the rate of spontaneous firing (RSF) from the sinus node cells. After superfusion of sinus node cells with 0.3 mM ammonia for 20 min, the RSF significantly decreased from 20 min to 25 min after onset of superfusion while a significant decrement in the RSF was observed from 7 min to 30 min following superfusion with 3.0 mM ammonia for S min. On the other hand, the effects of ammonia on the action potential of the rabbit atrial muscle cell were much similar to those on pacemaker cells except that the atrial cell was generally less sensitive to ammonia. The results suggest that ammonia may cause changes in the action potential of the rabbit cardiac cells by the direct action, and that the cardiac effects of ammonia are generally opposite to those of glycine.
曺溶秀 진주여자전문대학 1990 論文集 Vol.13 No.-
According to social development, the preference of consumers will tend to be centralized by themselves. Furthermore, they produced commodities by means of "Tradition - Directed" or "Inner - Directed". But, on account of social development, today which became social "Outer - Directed", the campaign of consumer protection, redistribution of corporate's interest and welfare of employee etc. intensify the corporate image (corporate advertising). It is very complicated and creates renewed merit, as received fairiy different sense. The sense of having been seen, so with changing. Like this, psychological variation of consumer does not let-up. In this paper, I would like to suggest on the concept of corporate advertising and roles in virtue of recognition of the preference of consumers.
고식적 저자장(0.2T) 견관절 자기공명영상: SLAP 병변의 진단
조용수,백창희,이경래,신윤학 대한영상의학회 2007 대한영상의학회지 Vol.56 No.6
목적: 저자장(0.2T) 자가공명영상을 이용해 SLAP(superior labrum anterior to posterior) 병변을 얼마나 정확하게 진단하는지 알아보고자 하였다. 대상과 방법: 7개월 동안 견관절 자기공명영상을 시행 받은 150명 중 관절경 수술로 확인이 된 46명을 대상으로 하였으며 수술 소견과 자기공명영상을 전향적으로 비교하였다. 관절경 수술은 자기공명영상 촬영 후 평균 8일 뒤에 시행되었다. 저자장 자기공명영상 기기를 이용해 스핀에코 횡단면, 관상사면 T1 강조영상과 관상사면, 시상사면 T2 강조영상을 얻었으며 경사에코 횡단면과 관상사면 T2 강조영상을 얻었다. 결과: 관절경 수술 소견은 다음과 같다: SLAP II 26명, SLAP III 1명, SLAP IV 1명, SLAP I 12명, 정상 관절순 6명. SLAP 병변 중 Type 2 이상에 대한 저자장 자기공영영상의 민감도는 85.7%, 특이도는 55.5%, 양성예측도는 75%, 음성예측도는 71%, 정확도는 74%였다. 결론: 고식적 저자장 자기공명영상으로도 SLAP 병변을 비교적 정확하게 진단할 수 있다. Purpose: To evaluate the diagnostic capabilities of the low-field (0.2T) magnetic resonance (MR) system in the detection of the superior labrum anterior to posterior (SLAP) lesion. Materials and Methods: One hundred fifty patients underwent magnetic resonance imaging of the shoulder over a 7-month period. Forty-six patients underwent arthroscopic surgery, and the surgical results were correlated with the findings of the MR imaging. Arthroscopic procedures were performed within a mean of 8 days after MR imaging. MR imaging of the shoulder was conducted as follows: shoulder coil; T1-weighted spin echo, coronal-oblique images; T2-weighted gradient echo, coronal-oblique and axial images; and T2-weighted spin echo, coronal-oblique and sagittal-oblique images. Prospectively, one radiologist interpreted the MR images. Results: The results of surgery were as follows: SLAP II in 26 shoulders, SLAP III in 1 shoulder, SLAP IV in 1 shoulder, normal labrum in 6 shoulders. For SLAP lesions with a higher grade than type 2, the sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of the low-field MRI were 85.7%, 55.5%, 75%, 71%, and 74%, respectively. Conclusion: There was relatively good agreement for the comparison of the MR results obtained using a lowfield MR system with the surgical findings for identifying SLAP lesions.