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Fig. 4 | BMC Surgery

Fig. 4

From: Laparoscopic fenestration for a large ruptured splenic cyst combined with an elevated serum carbohydrate antigen 19–9 level: a case report

Fig. 4

Pathological diagnosis of the resected specimen (Hematoxylin and eosin stain and immunohistochemistry of CA19–9 and CEA). The cyst wall consisted of fibrous tissue and was lined by a single layer or several layers of squamous epithelium (a). Immunohistochemistry demonstrated that the epithelial cells were positive for CA19–9 (b) and CEA (c) (4A, 4B and 4C: × 400)

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