Micrographs of liver mass in intraoperative histological examination. (A) Intraoperative tumor tissue showed the tumor mass was predominantly composed of solid and invasive nests of epidermoid cells with abundant keratinization in desmoplastic stroma. (B) Alcian blue staining showed that there was no mucin-producing cells intermingled within the epidermoid cells nest. (A, HE staining with original magnification × 400; B, Alcian blue staining with original magnification × 400).
Guo et al. Diagnostic Pathology 2014 9:24 doi:10.1186/1746-1596-9-24