Fig. 4
From: Primary hepatic gastrinoma being diagnosed preoperatively: a case report and literature review
Microscopic findings of the resected specimen. a Hematoxylin and eosin staining of the liver mass showed a tubular, funicular, and solid increase of small cube-shaped, atypical cells. b Immunostaining for gastrin of the liver mass was positive (arrow). c Immunostaining for synaptophysin of the liver mass was positive (arrow). d Immunostaining for chromogranin A of the liver mass was positive (arrow)