http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Clinical and histological significance of atypical glandular cells on cervical cytology(초)
최홍준 ( Hong Jun Choi ),( Woo Chul Kim ),( Ho Soap Hahn ),( Seok Geun Yoon ),( Yong Soon Kwon ),( In Ho Lee ),( Kyung Taek Lim ),( Ki Heon Lee ),( Jae UK Shim ),( Jung Eun Mok ),( Yi Kyeong Chun2 ),( Ta 대한산부인과학회 2009 대한산부인과학회 학술대회 Vol.95 No.-
Chun Geun Lim,Hui Joong Lee 대한영상의학회 2024 대한영상의학회지 Vol.85 No.2
Purpose Metabolic abnormalities in hepatic encephalopathy (HE) cause brain edema or demyelinating disease, resulting in symmetric regional cerebral edema (SRCE) on MRI. This study aimed to investigate the usefulness of the clustering analysis of SRCE in predicting the development of brain failure. Materials and Methods MR findings and clinical data of 98 consecutive patients with HE were retrospectively analyzed. The correlation between the 12 regions of SRCE was calculated using the phi (φ) coefficient, and the pattern was classified using hierarchical clustering using the φ2 distance measure and Ward’s method. The classified patterns of SRCE were correlated with clinical parameters such as the model for end-stage liver disease (MELD) score and HE grade. Results Significant associations were found between 22 pairs of regions of interest, including the red nucleus and corpus callosum (φ = 0.81, p < 0.001), crus cerebri and red nucleus (φ = 0.72, p < 0.001), and red nucleus and dentate nucleus (φ = 0.66, p < 0.001). After hierarchical clustering, 24 cases were classified into Group I, 35 into Group II, and 39 into Group III. Group III had a higher MELD score (p = 0.04) and HE grade (p = 0.002) than Group I. Conclusion Our study demonstrates that the SRCE patterns can be useful in predicting hepatic preservation and the occurrence of cerebral failure in HE.
( Chun Geun Lim ),( Myong Hun Hahm ),( Hui Joong Lee ) 영남대학교 의과대학 2023 Yeungnam University Journal of Medicine Vol.40 No.2
Hepatic encephalopathy (HE) is a severe neuropsychiatric abnormality in patients with either acute or chronic liver failure. Typical brain magnetic resonance imaging findings of HE are bilateral basal ganglia high signal intensities due to manganese deposition in chronic liver disease and hyperintensity in T2, fluid-attenuated inversion recovery, or diffusion-weighted imaging (DWI) with hemispheric white matter changes including the corticospinal tract. Low values on apparent diffusion coefficient mapping of the affected area on DWI, indicating cytotoxic edema, can be observed in acute HE. However, neuropsychological impairment in HE ranges from mild deficits in psychomotor abilities affecting quality of life to stupor or coma with higher grades of hepatic dysfunction. In particular, the long-lasting compensatory mechanisms for the altered metabolism in chronic liver disease make HE imaging results variable. Therefore, the clinical relevance of imaging findings is uncertain and differentiating HE from other metabolic diseases can be difficult. The recent introduction of concepts such as “acute-on-chronic liver failure (ACLF),” a new clinical entity, has led to a change in the clinical view of HE. Accordingly, there is a need to establish a corresponding concept in the field of neuroimaging diagnosis. Herein, we review HE from a historical and etiological perspective to increase understanding of brain imaging and help establish an imaging approach for advanced new concepts such as ACLF. The purpose of this manuscript is to provide an understanding of HE by reviewing neuroimaging findings based on pathological and clinical concepts of HE, thereby assisting in neuroimaging interpretation.
Eui-Geun Song,Hwa-Su Lee,Hee-Bok Park,Dong-Gul Woo,Tae-Jin Park,Su-Won Chun,Seung-Woo Sim,Hyoun-Gi Cha,Anya Lim,Tae-Young Choi 강원대학교 산림과학연구소 2018 강원대학교 산림과학연구소 학술대회 Vol.2018 No.09
The purpose of this study is to compare the bird crossing of roads by type (Expressway 1, railroad-provincial road and Highway 4) and the crossing of roads according to the size of birds. The greatest number of avian species and individuals crossing road per 10 minutes were found on railroad-provincial road (8.96 ± 1.92 and 29.33 ± 11.94, respectively), while the lowest number of avian species and individuals were found on Expressway 1 (2.96 ± 1.04 and 6.13 ± 2.89, respectively), which has the widest width. In addition, the number of small-sized bird (<20cm) crossing the Expressway 1, railroad-provincial road, and Highway 4 was lower than that of the medium-sized bird (≥20cm). Current wildlife crossing structures have been focused on mammals, amphibians and reptiles, but future structures should also consider birds.
Song, Eui-Geun,Lee, Hwa-Su,Park, Hee-Bok,Woo, Dong-Gul,Park, Tae-Jin,Chun, Su-Won,Sim, Seung-Woo,Cha, Hyoun-Gi,Lim, Anya,Choi, Tae-Young Institute of Forest Science 2018 Journal of Forest Science Vol.34 No.2
The purpose of this study is to compare the bird crossing of roads by type (Expressway 1, railroad-provincial road and Highway 4) and the crossing of roads according to the size of birds. The greatest number of avian species and individuals crossing road per 10 minutes were found on railroad-provincial road ($8.96{\pm}1.92$ and $29.33{\pm}11.94$, respectively), while the lowest number of avian species and individuals were found on Expressway 1 ($2.96{\pm}1.04$ and $6.13{\pm}2.89$, respectively), which has the widest width. In addition, the number of small-sized bird (<20 cm) crossing the Expressway 1, railroad-provincial road, and Highway 4 was lower than that of the medium-sized bird (${\geq}20cm$). Current wildlife crossing structures have been focused on mammals, amphibians and reptiles, but future structures should also consider birds.