http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Clinical Features and Treatment Outcome of Chordoid Meningiomas in a Single Institute
Jee, Tae Keun,Jo, Kyung-Il,Seol, Ho Jun,Kong, Doo-Sik,Lee, Jung-Il,Shin, Hyung Jin The Korean Neurosurgical Society 2014 Journal of Korean neurosurgical society Vol.56 No.3
Objective : Meningioma is the second most common primary central nervous system neoplasm. In contrast, chordoid meningioma is rare; due to the paucity of cases, little is known about its clinical features or treatment outcomes. The objectives of this study were to describe the clinical characteristics and outcomes for patients with chordoid meningioma. Methods : In total, 16 patients, with newly diagnosed chordoid meningioma who underwent surgical excision between 1999 and 2012 were included. We retrospectively evaluated the medical records, radiological findings, and pathological findings. The median follow-up period was 56.5 (range, 3-170) months. The MIB-1 labeling index ranged from 1 to 26.60% (median, 5.04). Results : Simpson grade I, II, and III resections were performed in four, nine, and three patients, respectively. The overall recurrence rate was 37.5%. Overall progression-free survival (PFS) after resection was 94.7 months (95% CI=62.9-126.6). Of the 4 patients with Simpson grade I resection, recurrence occurred in one patient. Among the Simpson grade II and III resection groups, eight patients underwent adjuvant radiation therapy and they showed significantly longer PFS (121 months, 95% CI=82.1-159.9) than the patients who underwent surgery alone (40.5 months, 95% CI=9.6-71.3) by the log-rank test (p<0.05). Conclusion : Chordoid meningiomas are difficult to manage and have a high rate of recurrence. Complete resection of the tumor is a key determinant of better outcomes. Adjuvant radiation therapy is recommended, eparticulary when Simpson grade I resection was not achieved.
( Tae Keun Jee ),( Ho Jun Seol ),( Yong Seok Im ),( Doo Sik Kong ),( Do Hyun Nam ),( Kwan Park ),( Hyung Jin Shin ),( Jung Il Lee ) 대한뇌종양학회 대한신경종양학회 2014 Brain Tumor Research and Treatment Vol.2 No.2
Background This study was performed to evaluate the efficacy and safety of fractionated Gamma Knife radiosurgery (GKRS) for perioptic lesions. Methods Thirty-eight patients with perioptic tumors were treated at our institute from May 2004 to December 2008. All patients had a lesion in close contact with the optic apparatus. Twenty-four of these patients had undergone surgical resection before fractionated GKRS. Radiation was delivered in four sessions with 12 hours intervals between sessions. The mean target volume was 3,851 mm3 and the median cumulative marginal dose was 20 Gy. The median follow-up was 38.2 months. Visual acuity and visual fields were analyzed according to visual impairment score using the German Ophthalmological Society guidelines. Results Tumor control was achieved in 35 (94.6%) of the 37 patients with available follow-up images. Progressive tumor growth was observed in two craniopharyngioma patients (5.4%). Favorable visual outcomes in the postoperative period were achieved in 94.7% of cases (36/38). Sixteen patients showed visual function after fractionated GKRS, twenty cases were stationary, and two patients showed visual function deterioration after GKRS. Conclusion GKRS is a safe and effective alternative to either surgery or fractionated radiotherapy for selected benign lesions that are adjacent to the optic apparatus.
Idiopathic Hypertrophic Spinal Pachymeningitis with an Osteolytic Lesion
Jee, Tae Keun,Lee, Sun-Ho,Kim, Eun-Sang,Eoh, Whan The Korean Neurosurgical Society 2014 Journal of Korean neurosurgical society Vol.56 No.2
Idiopathic hypertrophic spinal pachymeningitis (IHSP) is a chronic, progressive, inflammatory disorder characterized by marked fibrosis of the spinal dura mater with unknown etiology. According to the location of the lesion, it might induce neurologic deficits by compression of spinal cord and nerve root. A 58-year old female with a 3-year history of progressive weakness in both lower extremities was referred to our institute. Spinal computed tomography (CT) scan showed an osteolytic lesion involving base of the C6 spinous process with adjacent epidural mass. Magnetic resonance imaging (MRI) revealed an epidural mass involving dorsal aspect of cervical spinal canal from C5 to C7 level, with low signal intensity on T1 and T2 weighted images and non-enhancement on T1 weighted-enhanced images. We decided to undertake surgical exploration. At the operation field, there was yellow colored, thickened fibrous tissue over the dura mater. The lesion was removed totally, and decompression of spinal cord was achieved. Symptoms improved partially after the operation. Histopathologically, fibrotic pachymeninges with scanty inflammatory cells was revealed, which was compatible with diagnosis of idiopathic hypertrophic pachymeningitis. Six months after operation, motor power grade of both lower extremities was normal on physical examination. However, the patient still complained of mild weakness in the right lower extremity. Although the nature of IHSP is generally indolent, decompressive surgery should be considered for the patient with definite or progressive neurologic symptoms in order to prevent further deterioration. In addition, IHSP can present as an osteolytic lesion. Differential diagnosis with neoplastic disease, including giant cell tumor, is important.
Tae Keun Jee,Ho Jun Seol,Yong-Seok Im,공두식,남도현,Kwan Park,Hyung Jin Shin,이정일 대한뇌종양학회 2014 Brain Tumor Research and Treatment Vol.2 No.2
Background This study was performed to evaluate the efficacy and safety of fractionated Gamma Knife radiosurgery (GKRS) for perioptic lesions. Methods Thirty-eight patients with perioptic tumors were treated at our institute from May 2004 to December 2008. All patients had a lesion in close contact with the optic apparatus. Twenty-four of these patients had undergone surgical resection before fractionated GKRS. Radiation was delivered in four sessions with 12 hours intervals between sessions. The mean target volume was 3,851 mm3 and the median cumulative marginal dose was 20 Gy. The median follow-up was 38.2 months. Visual acuity and visual fields were analyzed according to visual impairment score using the German Ophthalmological Society guidelines. Results Tumor control was achieved in 35 (94.6%) of the 37 patients with available follow-up images. Progressive tumor growth was observed in two craniopharyngioma patients (5.4%). Favorable visual outcomes in the postoperative period were achieved in 94.7% of cases (36/38). Sixteen patients showed visual function after fractionated GKRS, twenty cases were stationary, and two patients showed visual function deterioration after GKRS. Conclusion GKRS is a safe and effective alternative to either surgery or fractionated radiotherapy for selected benign lesions that are adjacent to the optic apparatus.
Hong, Tae-Keun,Kim, Jee-Hye,Woo, Ju-Youn,Ha, Ki-Tae,Joo, Myung-Soo,Hahn, Yoon-Bong,Jeong, Han-Sol KOREAN PHARMACOPUNCTURE INSTITUTE 2012 Journal of pharmacopuncture Vol.15 No.3
Objectives: The purpose of this study is to examine whether Hominis Placental pharmacopuncture solution (HPPS) combined with zinc-oxide nanoparticles (ZnO NP) activates RAW 264.7 cells. Methods: We soaked ZnO nanoparticles in the Hominis Placenta pharmacopuncture solution, thereby making a combined form (ZnO NP HPPS). The effect of ZnO NP HPPS on the intracellular reactive oxygen species (ROS) production was measured by 2', 7'-dichlorofluorescin diacetate (DCFH-DA) assay. The effect of ZnO NP HPPS on NF-${\kappa}B$ was measured by using a luciferase assay. The effect of ZnO NP HPPS on the cytokine expression was assessed by semi-quantitative reverse transcriptase polymerase chain reaction (RT-PCR). The cellular uptake of ZnO NP HPPS was measured by using a flow cytometric analysis, and cellular structural alterations were analyzed by using transmission electron microscopy (TEM). Results: Neither the HPPS nor the ZnO NPs induced intracellular ROS production in RAW 264.7 cells. Neither of the materials activated NF-${\kappa}B$ or it's dependent genes, such as TNF-${\alpha}$, IL-1, and MCP-1. However, ZnO NP HPPS, the combined form of ZnO NPs and HPPS, did induce the intracellular ROS production, as well as prominently activating NF-${\kappa}B$ and it's dependent genes. Also, compared to ZnO NPs, it effectively increa-sed the uptake by RAW 264.7 cells. In addition, cellular structural alterations were observed in groups treated with ZnO NP HPPS. Conclusions: Neither ZnO NP nor HPPS activated RAW 264.7 cells, which is likely due to a low cellular uptake. The ZnO NP HPPS, however, significantly activated NF-${\kappa}B$ and up-regulated its dependent genes such as TNF-${\alpha}$, IL-1, and MCP-1. ZnO NP HPPS was also more easily taken into the RAW 264.7 cells than either ZnO NP or HPPS.
The detecion of African swine fever virus via hair plucking: An alternative non-invasive approach
Chae-Rin Park(Chae-Rin Park),Tae-Young Suh(Tae-Young Suh),Da-Hye Yi(Da-Hye Yi),Soo-Kyoung Lee(Soo-Kyoung Lee),Seong-Keun Hong(Seong-Keun Hong),Ki-Hyun Cho(Ki-Hyun Cho),Jee-Yong Park(Jee-Yong Park),Yon 한국예방수의학회 2022 한국예방수의학회 학술대회자료집 Vol.2022 No.-
전두엽에 발생한 신경절교종(Ganglioglioma) 1예 : 증례 보고
지연근,김태성,김광명,김국기,이봉암,임언,지제근 대한신경외과학회 1983 Journal of Korean neurosurgical society Vol.12 No.2
A case of ganglioglioma is presented. A 2-year-old Korean male was admitted with chief complaint of generalized seizure from the age of 15 days. Neurologically, delayed speech development and mild monoparesis of right upper extremity he had. Brain CT revealed the ill defined round calcific density on left frontal lobe with mild dilatation of frontal horn of left lateral ventricle. EEG showed the single and poly spike wave on left cerebral hemisphere. The tumor mass was grayish white in color and rubbery hard in consistency with relatively good demarcation from the adjacent normal brain cortex. Histological diagnosis was a ganglioglioma with calcification. Following subtotal removal, the patient had an uneventful recovery.
지연근,김태성,김광명,김국기,이봉암,임언 대한신경외과학회 1983 Journal of Korean neurosurgical society Vol.12 No.4
Thirty two cases of the cervical spinal injury have been collected except those which associated with the injury on the other sites, such as head or internal organs. Nine cases of them were managed with surgery by anterior and/or posterior approaches The others were only immobilized by traction. Independent of operative method, we acquired slight to moderate improvement in all operative cases. Two cases with skeletal traction, however, became more aggravated. Indication of operation has much controversies as yet. A Major problem at present falls on the difficulty of functional recovery.
운동선수와 일반인의 골격근 pH 및 고에너지 인 ( P ) 대사
장지훈(Jee Hun Jang),성기홍(Ki Hong Seong),김병태(Byung Tae Kim),김명일(Myung Ill Kim),정구철(Koo Chul Jung),이동수(Dong Soo Lee),김창근(Chang Keun Kim) 대한체육학회 2001 대한스포츠융합학회지 (jcses) Vol.5 No.1
The purpose of this study was to evaluate intramuscular pH and the high energy phosphate metabolism in the skeletal muscle between athletes (n=11) and sedentary men (n=11). Exercise protocols were consisted of continuous isometric contractions of Maximal Voluntary Contraction (MVC) 1% and MVC 5%. ^31P NMR spectroscopy was used for analyzing intramuscular pH and Pi/PCr during exercise. In both groups, intramuscular pH was decreased according to the time course. The lowest intramuscular pH in athletes was observed at 28 min after MVC 1% exercise, which was significantly higher than that of sedentary men (p<.05), and the reduction rate of pH was about 2.6%. The same results were obtained with MVC 5% exercise. The ratio of Pi to PCr (Pi/PCr) was increased according to the time course in both groups. The highest ratio of Pi/PCr in athletes was observed at 24 min with MVC 1% exercise, which was significantly lower than that of sedentary men (p<.05). The ratio of Pi/PCr at all-out with MVC 5% exercise was lower than that of resting, which was different from sedentary men. In conclusion, intramuscular pH muscle in athletes was significantly higher and the ratio of Pi/PCr in athletes was significantly lower, than those of sedentary men (p<.05).