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Fig. 4 | Surgical Case Reports

Fig. 4

From: Case of resected multiple hepatocellular adenomas in a young man with severe obesity

Fig. 4

Histopathological findings of the resected specimen. a Macroscopically, the tumors were yellowish and well-defined with hemorrhage (white arrows). b, c Pathological examination revealed slightly enlarged hepatocyte proliferations without nuclear atypia or mitosis. (Hematoxylin and eosin [H&E] staining, original magnification: b H&E, × 20; c H&E, × 100) d The background liver was steatotic with mild fibrosis (H&E, × 100). ei Immunohistochemical examination revealed the following findings of the tumor cells (immunohistochemical staining, × 200): positive for serum amyloid A protein (e), negative for β-catenin (f), negative for glutamine synthetase (g), negative for cytokeratin 7 (h), and positive for fatty acid-binding protein (i)

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