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Small gastrointestinal stromal tumours with focal areas of low attenuation on CT: pathological correlation

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Authors
Kim, H C; Lee, J M; Kim, S H; Park, S H; Lee, J W; Lee, M; Han, J K; Choi, B I
Issue Date
2005-02-16
Publisher
Elsevier
Citation
Clin Radiol 2005;60:384–88.
Keywords
Gastrointestinalstromal tumourGastrointestinal tractNeoplasms
Abstract
AIM: To describe the pathology of focal areas of low attenuation in small gastrointestinal stromal tumours on contrast-enhanced computed tomography (CT), and to investigate the association of these areas as predictors of malignant potential. MATERIALS AND METHODS: Contrast-enhanced helical CT images were obtained of 39 small (up to 5 cm) gastrointestinal stromal tumours. Focal areas of low attenuation were retrospectively evaluated and correlated with histopathological findings. The relation between the mitotic rate of and the presence of focal areas of low attenuation in the tumours was analyzed using Fisher's exact test. RESULTS: Of the 39 small gastrointestinal stromal tumours, 15 contained focal areas of low attenuation on CT. These were found to be due to solid tumour (n=5), haemorrhage (n=3), haemorrhage with necrosis (n=2), cystic degeneration (n=2), fluid in ulcer (n=2), and fibrous septum (n=1); they were not found to be associated with a high mitotic rate (p=0.45). CONCLUSION: Focal areas of low attenuation on CT in small gastrointestinal stromal tumours represent varying pathological conditions and do not predict malignant potential.
ISSN
0009-9260 (Print)
1365-229X (Electronic)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=15710143

http://hdl.handle.net/10371/10098
DOI
https://doi.org/10.1016/j.crad.2004.06.022
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College of Medicine/School of Medicine (의과대학/대학원)Radiology (영상의학전공)Journal Papers (저널논문_영상의학전공)
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