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조영증강 전산화단층촬영상 내부 저밀도 음영을 보이는 종격동 림프절의 분석

Other Titles
 Analysis of Mediatinal Lymph Nodes with Internal Low Density on Contrast Enhanced CT Scan 
Authors
 유영훈  ;  최규옥  ;  홍용국  ;  김성규  ;  장준  ;  이원영 
Citation
 Tuberculosis and Respiratory Diseases (결핵 및 호흡기질환), Vol.44(2) : 264-279, 1997 
Journal Title
 Tuberculosis and Respiratory Diseases (결핵 및 호흡기질환) 
ISSN
 0378-006 
Issue Date
1997
Keywords
Lymphtic system ; computed tomography ; neoplasm ; inflammation
Abstract
BACKGROUND: To analyze the morphologic characteristics of low density lymph node in etiologic differentiation of lymphadenopathy, emphasizing the different features between tuberculosis and lung cancer, on contrast enhanced CT scan,. METHOD: A total of 64 patients who showed low density lymph nodes on chest CT scan were analyzed. Primary causes were tuberculosis (n=28), lung cancer (n=27), malignant lymphoma (n=5) and metastasis from extrathoracic malignancies (n = 4). CT scan was performed with 10mm slice thickness and 7 characteristic features were evaluated: location,size, presence or absence of the nonnecrotic lymph node, calcification, perinodal fat obliteration, thickness and evenness of the enhancing rim. RESULTS: In patients with tuberculous lymphadenopathy, lymph nodes with uneven (68.0%) and thick (62.1%) enhancing rim were more common than lung cancer (p<0.05). Low density lymph nodes with less than 1cm in size were found only in tuberculous lymphadenopathy(n=10). In 48.2% of patients with lung cancer, more than 1 nonnecrotic enlarged lymph node were coexisted, whereas 21.4% in patients with tuberculous lymphadenopathy(p=0.06). However, the size, location and calcification were not statistically significant between tuberculous lymphadenopathy and lung cancer. CONCLUSION: Tuberculous lymphadenopathy is strongly suggested when enhancing rim of enlarged lymph nodes is uneven and thick, when the coexisting nonnecrotic lymph nodes are few in number and when central low density is encountered in normal sized lymph nodes.
Files in This Item:
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Nuclear Medicine (핵의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Ryu, Young Hoon(유영훈) ORCID logo https://orcid.org/0000-0002-9000-5563
Chang, Joon(장준) ORCID logo https://orcid.org/0000-0003-4542-6841
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/177476
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