Journal of the Korean Association of Oral and Maxillofacial Surgeons : eISSN 2234-5930 / pISSN 2234-7550

Fig. 4.

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Fig. 4. Fine-needle aspiration biopsy and Immunohistochemical findings. A. Fine needle aspirate smear shows atypical shaped cell clusters (Papanicolau staining, ×200). B. Cell block shows atypical cell clusters. The tumor cells have abundant eosinophilic cytoplasm and prominent nucleolus. Also, sinusoid-like thin blood vessels are noted (arrows); suspicious of liver cell (H&E staining, ×200). C. The tumor cells are stained for Hepar-1 antibody (×200); proof of hepatocyte. D. Thin blood vessels are positive for CD34 (×200); proof of hepatocellular carcinoma.
J Korean Assoc Oral Maxillofac Surg 2021;47:224~228