When pathologists receive tissue specimens for microscopic examination, they have two options. They can encase the tissue in ice, or, they can fix it with formalin and embed it in paraffin. Both processes achieve the same goal – producing a solid tissue block from which...
In recent years, substantial advances have occurred in methodologies for determining gene expression profiles in tissue samples that have been chemically fixed for the purposes of long-term storage. One of the most common techniques...