April 15, 2015

THE CORE ASSUMPTION BEING...:

Study: Genetic Testing of Tumors Often Gives False Results (Christine Gorman, 4/16/15, Scientific American)

Performing genetic tests on cancer tumors without comparing the results to patients' normal tissue could lead to inaccurate diagnoses and poor treatment decisions in nearly half of all patients under certain circumstances. This unexpected conclusion comes from a study of more than 800 people published in the April 15 issue of Science Translational Medicine and underscores how complicated the genetic testing of tumors is becoming as well as how careful clinicians must be in interpreting the results. Currently, most genetic pathology tests are performed on tumor samples only and do not include comparisons with DNA taken from normal tissue.

...that we start from perfection.

Posted by at April 15, 2015 4:26 PM
  

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