Skip to main content

Table 1 Immunohistochemical analysis of renal cell carcinoma, rectal signet ring cell carcinoma and signet ring cell component in renal cell carcinoma

From: Signet ring cell carcinoma of rectum metastasizing to synchronous renal cell carcinoma: a case report

Antibody

RCC

Signet ring cell carcinoma

Signet ring cells in metastatic tumor

CK20

+

+

CDX2

+

+

Vimentin

+

E-Cadherin

+

RCC

+

MLH1

/

/

Loss of nuclear signal

MSH2

/

/

Loss of nuclear signal

PMS2

/

/

Loss of nuclear signal

MSH6

/

/

Nuclear expression

  1. RCC Renal cell carcinoma, CK20 Cytokeratin 20, CDX2 Caudal-type homebox 2, RCC Renal cell carcinoma, MLH1 MutL homolog 1, MSH2 MutS homolog 2, PMS2 Postmeiotic Segregation Increased 2, MSH6 MutS homolog 6