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KMID : 1103720150720010020
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Journal of the Korean Society of Radiology
2015 Volume.72 No. 1 p.20 ~ p.28
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Imaging Findings of Epstein-Barr Virus-Associated Gastric Lymphoepithelioma-Like Carcinoma
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Han Tae-Sun
Kim Young-Chul
Chung Yong-En
Lee Da-Keun
Park Mi-Jin
Lee Jei-Hee
Kim Jai-Keun
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Abstract
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Purpose: To analyze the computed tomography (CT) features of Epstein-Barr virus (EBV)-associated lymphoepithelioma-like carcinoma (LELC).
Materials and Methods: Between January 2004 and September 2014, radiologic features of 44 EBV-associated LELCs were analyzed. Lesion detectability, multiplicity, location, gross appearance, lesion thickness and margin, presence of a round edge, contrast enhancement pattern, and the degree of contrast enhancement were analyzed.
Results: The most common location of LELC was the upper third of the stomach (n = 28; 63.64%). A high percentage of cases showed uniform peripheral thickness (n = 32; 88.89%). LELCs demonstrated well-defined margins in a high percentage of cases (n = 31; 86.11%). Additionally, a high percentage of cases showed the presence of a round edge (n = 28; 77.78%).
Conclusion: CT features, including tumor location in the upper third of the stomach and presence of uniform peripheral thickness with a round edge, may suggest the possibility of EBV-associated LELC.
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KEYWORD
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Lymphoepithelioma-Like Carcinoma, Computed Tomography
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