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Surgical Case Reports
Fig. 4 | Surgical Case Reports

Fig. 4

From: Peritoneal dissemination of appendiceal goblet cell adenocarcinoma mimicking white pus caused by peritonitis following appendicitis: an instructive case report

Fig. 4

Histopathological findings of the appendix lesion. a, b Hematoxylin and eosin (H&E) staining shows tumor cells with small lumina comprising goblet-like cells, and some tumor cell clusters lack lumina and appear as small groups of cohesive goblet-like cells. Low-grade patterns comprised less than 50%. c–e Immunohistochemical staining indicates that the tumor cells are positive for cytokeratin AE1/AE3 (c), and various number of endocrine cells are positive for chromogranin A (d), and synaptophysin (e)

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