What are chances a "brushing" of cells in bile liver duct path report during ercp stent placement are incorrect in cancer dx? Says neg but pt has it?

Slight chance. Pathologists are experts for diagnosing cancer from a single cell , in order to do that must get an intact undamaged enough cells , must preserve them , properly store &; label them and send to cyto-pathology lab , even in presence of ca brush may miss it, all of the above can happen then will false negative results , 85 - 90 % time will not happen , will have correct diagnosis .

Related Questions

What are the chances a path report from a "brushing" of a liver bile duct during ercp is incorrect in a cancer dx? 87yo. Severe jaundice- no pain?

Slight chance. Pathologists are experts for diagnosing cancer from a single cell , in order to do that must get an intact undamaged cell , must preserve it , properly store & label it and send to cyto-pathology lab , even in presence of ca brush may miss it, all of the above can happen then will false negative results , 85 - 90 % time will not happen , will have correct diagnosis , good luck to your dad. Read more...
False Positive. Bile duct brush, regardless of pain not likley. Painless jaundice commonly is cancer. Issue of location (pancreas, intra- or extra- hepatic ducts, may mitigate treatment options. Speak with a bile duct surgeon even if you do not want an operation. Read more...