Description
The IHC – CK20 test is an immunohistochemical assay used primarily to detect cytokeratin 20 (CK20) protein expression in tissue samples. It is commonly utilized in the diagnosis of certain cancers, particularly those originating from the gastrointestinal tract and bladder.
Purpose of the Test
- Identifies the presence of CK20, a protein typically expressed in specific epithelial tissues.
- Helps differentiate between various types of tumors, particularly in cases of metastatic cancer.



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