Journal
AMERICAN JOURNAL OF CLINICAL PATHOLOGY
Volume 152, Issue 5, Pages 647-655Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/ajcp/aqz086
Keywords
AEG-1; GPC-3; Hepatocellular carcinoma; Diagnosis
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Funding
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY
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Objectives: To investigate the diagnostic potential of AEG-1 and GPC-3 in hepatocellular carcinoma (HCC). Methods: AEG-1 and GPC-3 immunohistochemistry were performed on HCC, adjacent nontumor tissue (ANT), and dysplastic nodules (DN). Results: H score of AEG-1 or GPC-3 in HCC was significantly higher than in ANT or DN. In HCC, 92% and 54% showed AEG-1 and GPC-3 positivity, respectively. In ANT, 16.2% were AEG-1 and 7.6% GPC-3 positive. AEG-1 staining was mostly diffuse, whereas GPC-3 frequently showed focal staining. AEG-1 alone showed high sensitivity but low specificity and accuracy. GPC-3, on the other hand, showed high specificity but low sensitivity and accuracy. Combination of both stains boosted the sensitivity, specificity, and accuracy to 94.6%, 89.5%, and 90.5%, respectively, when only diffuse staining was considered as positive. Conclusions: AEG-1 or GPC-3 alone seemed not an ideal marker for HCC. The combination of AEG-1 and GPC-3 might improve early diagnosis of HCC.
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