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이태영,이문호,김대중,김홍수,김선주,최우봉,정일권,박상흠,이낙원 대한내과학회 1997 대한내과학회지 Vol.53 No.6
Carcinoma of the gallbladder is relatively rare malignancy usually found in an elderly, predominantly female population. Histologically, adenocarcinoma predominate, with only 10% to 15% being of other varieties(small cell carcinoma and others). Small cell carcinoma of the gallbladder is a rare lesion and predominantly a disease of older women with clinical history of stones. These tumors show an aggressive clinical course and death usually occurs with in a few months of the diagnosis. The diagnosis of small cell carcinoma should be based on cell morphology, histologic pattern and immunohistochemical study. Correct diagnosis is important not only because these tumors give rise to endocrine syndromes, but also because the chemotherapeutic approach to small cell carcinoma differs from that for adenocarcinoma.
정태운(Jung Tae-Un),안진(Ahn Jin),박성규(Pack Sung-Kyu),김유호(Kim Yoo-Ho),홍순흠(Hong Sun-Hum),김영훈(Kim Young-Hun) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
In this paper, We elicit the necessity of the Autonomous Decentralized Traffic Control System by analyzing problems of the Centralized Traffic Control System and present operation system. The automatic traffic control system using in large and high-density railway stations is designed and implemented on the basis of the elicited necessity in this paper. It is proposed to use broadcasting protocol for interface of stations in order to ensure autonomy. The result is that advantages of the Autonomous Decentralized Traffic Control System makes on-line expansion and maintenance available, step-by-step construction available, and reduce the area of the influences of system fault when any system fault happens.
Kim, Ho Jung,Bak, Koang Hum,Chun, Hyoung Joon,Oh, Suck Jun,Kang, Tae Hoon,Yang, Moon Sool The Korean Neurosurgical Society 2012 Journal of Korean neurosurgical society Vol.52 No.4
Objective : Transpedicular screw fixation has some disadvantages such as postoperative back pain through wide muscle dissection, long operative time, and cephalad adjacent segmental degeneration (ASD). The purposes of this study are investigation and comparison of radiological and clinical results between interspinous fusion device (IFD) and pedicle screw. Methods : From Jan. 2008 to Aug. 2009, 40 patients underwent spinal fusion with IFD combined with posterior lumbar interbody fusion (PLIF). In same study period, 36 patients underwent spinal fusion with pedicle screw fixation as control group. Dynamic lateral radiographs, visual analogue scale (VAS), and Korean version of the Oswestry disability index (K-ODI) scores were evaluated in both groups. Results : The lumbar spine diseases in the IFD group were as followings; spinal stenosis in 26, degenerative spondylolisthesis in 12, and intervertebral disc herniation in 2. The mean follow up period was 14.24 months (range; 12 to 22 months) in the IFD group and 18.3 months (range; 12 to 28 months) in pedicle screw group. The mean VAS scores was preoperatively $7.16{\pm}2.1$ and $8.03{\pm}2.3$ in the IFD and pedicle screw groups, respectively, and improved postoperatively to $1.3{\pm}2.9$ and $1.2{\pm}3.2$ in 1-year follow ups (p<0.05). The K-ODI was decreased significantly in an equal amount in both groups one year postoperatively (p<0.05). The statistics revealed a higher incidence of ASD in pedicle screw group than the IFD group (p=0.029) Conclusion : Posterior IFD has several advantages over the pedicle screw fixation in terms of skin incision, muscle dissection and short operative time and less intraoperative estimated blood loss. The IFD with PLIF may be a favorable technique to replace the pedicle screw fixation in selective case.
Se Joon Woo,Hum Chung,서종모,Jung Hyun Park,Su Jin Kim,Jae-Sung Lee,Yu-Kyeong Kim,Jing Ai Zhou,Eui Tae Kim,Sung June Kim 대한의용생체공학회 2012 Biomedical Engineering Letters (BMEL) Vol.2 No.2
Purpose Using 18F- fluorodeoxyglucose positron emission tomography (FDG PET), we aimed to assess the cortical areas activated by light and electrical stimuli in rabbits and to determine the nature of the electrically evoked visual perception by comparing the 2 activated cortical images. Methods Three adult white rabbits were used, and 5 18F -FDG PET scans were performed on 5 different days for each rabbit: a resting image, 2 light stimulation images, and 2electrical retinal stimulation images by suprachoroidal electrodes of the right and left eyes. A small-animal PET scanner (resolution: 1.18 to 1.45 mm) was used for image acquisition. Activated cortical areas were determined by voxel-wise statistical analysis of the difference between the stimulation and resting PET images, and three-dimensional brain imaging of functional activation was constructed. Results After visual and electrical stimulation of the rabbit retina, increased metabolism was found in 2 distinct cerebral cortical areas: (1) the ipsilateral frontal cortex (frontal eye field) and (2) the contralateral occipito-parietal cortex (visual cortex). Cortical areas activated after electrical retinal stimulation were nearly identical to the visually activated cortical areas. Conclusions Electrical stimulation of the rabbit retina using suprachoroidal electrodes induced a similar cortical activation response as that induced by light stimulation. Brain PET images obtained from stimulation of the retina with light and electric current increase our understanding of cortical perceptions by both stimuli and can be a useful methodology for retinal prosthesis research.
Hydroxychloroquine 투여로 호전을 보인 전신성 환상 육아종 2예
오창근,박정흠,권경술,정태안,장호선 대한피부과학회 1999 大韓皮膚科學會誌 Vol.37 No.2
We report the clinical evolution of two male patients with generalized granulama annulare(GGA) who were controlled with hydroxychloroquine. In the first case, a 3-year-old boy was treated with systemic steroid, and in the second case, a 68-year-old man was treated with prednisolone, niacin, and retinoic acid. But, remission and recurrence of the skin lesions were repeated. A good clinieal response was achieved in both cases after administration of hydroxychloroquine without side effects or any signs of recurrence. Hydroxychloroquine may be helpful to treat the GGA that have side effects to the systemic corticosteroid or resistence to other therapeutic modalities.
Salvage liver transplantation for hepatocellular carcinoma after laparoscopic or open hepatectomy
Seok-Hwan Kim,Ki-Hum Kim,Shin Hwang,Chul-Soo Ahn,Deok-Bog Moon,Tae-Yong Ha,Gi-Won Song,Dong-Hwan Jung,Gil-Chun Park,Woo-Hyoung Kang,Jae-Hyun Kwon,Eun-Kyung Jwa,Hwi-Dong Joh,Chung-Yong Kyu,Su-Min Ha,Su 한국간담췌외과학회 2016 한국간담췌외과학회 학술대회지 Vol.2016 No.4
김태완,송수정,정흠,유형곤,Tae-Wan Kim,M,D,Su-Jung Song,M,D,Hum Chung,M,D,Hyeong-Gon Yu,M,D,Ph,D 대한안과학회 2005 대한안과학회지 Vol.46 No.6
Purpose: To evaluate the additional effect of internal limiting membrane (ILM) peeling in patients with idiopathic macular epiretinal membrane (ERM) who underwent ERM removal without ILM peeling. Methods: The subjects were those patients with idiopathic macular ERM who underwent pars plana vitrectomy, whose ERM was completely removed without peeling of the ILM. Additional ILM peeling was carried out randomly in some patients. Anatomical outcomes, functional results, recurrence, and complications were compared between the eyes with and without ILM peeling. Anatomical outcome included the macular thickness from optical coherence tomography (OCT). Functional results included the change in best-corrected visual acuity (BCVA) and the responses from multifocal electroretinograms (mfERG). Results: Postoperative BCVA improved and macular thickness decreased in both groups but there were no statistically significant differences between the two groups. There was no recurred case in either group. Furthermore, in comparison of P1 amplitudes and peak times in mfERG, there were no differences between the two groups. Conclusions: The additional ILM peeling in patients with complete ERM removal without ILM peeling doesn’t affect the postoperative results in visual acuity, macular thickness, recurrence, and complications.