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Year : 2020  |  Volume : 7  |  Issue : 2  |  Page : 95-99

Evaluation of role of cell block with immunohistochemistry in differentiating hepatocellular carcinoma from metastatic adenocarcinoma

1 Department of Pathology, College of Medicine and Sagore Dutta Hospital, Kolkata, West Bengal, India
2 Department of Pathology, AMRI Hospital, Kolkata, West Bengal, India
3 Department of Pathology, Purulia Government Medical College, Purulia, West Bengal, India
4 Department of Pathology, North Bengal Medical College and Hospital, Darjeeling, West Bengal, India

Correspondence Address:
Anindya Adhikari
Basudevpur, Banipur, Sankrail, Howrah - 711 304, West Bengal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/cjhr.cjhr_17_19

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Background: Fine-needle aspiration cytology (FNAC) is an increasingly common procedure in the diagnosis of neoplastic lesions of the liver, particularly in differentiating primary hepatocellular carcinoma (HCC) from metastatic adenocarcinoma (MA). However, there are certain limitations of FNAC. Sometimes, FNAC does not yield sufficient material for the precise diagnosis and the risk of the wrong diagnosis by FNAC cannot be excluded from the study. The aim of the study was to overcome such problems using a cell block (CB) technique along with immunohistochemistry (IHC) to diagnose and differentiate HCC from MA. Materials and Methods: This was a prospective study, conducted in a tertiary care hospital in Darjeeling district of West Bengal, over a period of 1 year. A total of 52 adult cases presenting with liver mass suspicious of malignancy were studied; CB with a histopathological examination and IHC for Hep par1 and CD10 were done in all cases. Results: In our study of 52 cases, CB with IHC was found superior in differentiating primary HCC from MA than only CB with a diagnostic accuracy of 96.15% and 92.31%, respectively. Among the IHC markers, Hep par1 was found more useful than CD10 with a diagnostic accuracy of 94.23% and 82.6%. However, CD10 was found to have greater diagnostic utility than Hep par1 in the context of poorly differentiated HCC. Conclusions: IHC study with Hep par1 and CD10 may be useful in differentiating HCC from the MA of the liver. Therefore, CB along with IHC improves the diagnostic accuracy of FNAC diagnosis.

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