Pathology report question IDC grade 3

Okimaw

I had surgery to remove my lump and the report says that HER2is still pending on core biopsy due to superior preanalytical factors. Does anyone know what that means?

MTwoman

Okimaw,

It isn't uncommon for HER2 results to take a bit longer. Here is a link explaining preanalytical factors:

http://www.archivesofpathology.org/doi/pdf/10.5858/arpa.2013-0691-RA?code=coap-site

MTwoman

this one is a bit easier to get the gist of

https://www.researchgate.net/publication/265609034_Preanalytical_variables_and_performance_of_diagnostic_RNA-based_gene_expression_analysis_in_breast_cancer