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Table 1 Immunohistochemical staining

From: Primary colon adenocarcinoma with choriocarcinoma differentiation: a case report and review of the literature

 

CEA

CDX2

hCG

CK7

CK20

PLAP

Colon lesion, glandular component

+++

+++

+++

–

–

–

Colon lesion, serosal component

+++

–

+++

–a

–a

 

Liver lesion

–

–

+++

+++

–

+++

  1. aNegative, with weak positivity in isolated cells only
  2. CDX2 caudal type homeobox-2, CEA carcinoembryonic antigen, CK7 cytokeratin 7, CK20 cytokeratin 20, hCG human chorionic gonadotropin, PLAP placental alkaline phosphatase
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Journal of Medical Case Reports

ISSN: 1752-1947