October 11, 2016


Riess case 3:

68-year-old woman undergoing plasma testing for EGFR T790M Mutation.

  • The patient is a 68-year-old woman previously diagnosed with adenocarcinoma
  • She later developed growth of her primary tumor and several pulmonary nodules.
  • She complained of shortness of breath
  • Biopsy tissue was insufficient for mutation testing; plasma testing showed the presence of T790M
  • After being switched to osimertinib, the patient has sustained disease control