Article: Unusual immunohistochemical "null" pattern of four mismatch repair proteins in gastric cancer: A case report.
World journal of clinical cases
2021 Volume 9, Issue 21, Page(s) 6102–6109
Abstract: Background: Immunohistochemical (IHC) staining for mismatch repair (MMR) proteins is useful for gastric cancer treatment and prognosis. Different IHC staining patterns reflect the complex biological phenomena underlying MMR deficiency. We herein report ... ...
Abstract | Background: Immunohistochemical (IHC) staining for mismatch repair (MMR) proteins is useful for gastric cancer treatment and prognosis. Different IHC staining patterns reflect the complex biological phenomena underlying MMR deficiency. We herein report a rare IHC staining pattern of four MMR-related proteins in gastric cancer. Case summary: A "null" IHC staining pattern of four MMR-related proteins, including MLH1, PMS2, MSH2, and MSH6, in a 67-year-old male patient with gastric cancer pT3N3aM0 revealed promoter hypermethylation of Conclusion: Abnormal MMR protein expression, helpful for individualized follow-up care, helped identify a sporadic case lacking familial clinical management implications. |
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Language | English |
Publishing date | 2021-07-21 |
Publishing country | United States |
Document type | Case Reports |
ISSN | 2307-8960 |
ISSN | 2307-8960 |
DOI | 10.12998/wjcc.v9.i21.6102 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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