EGFR Testing for Metastatic Non-Small Cell Lung Cancer with Jonathan W. Riess, MD, MS: Case 4

Riess case 4:

52-year-old man with relapsed metastatic NSCLC.

• 52-year-old man developed NSCLC, metastatic to the bone and brain
• Was found to have an EGFR activating mutation
• Started on erlotinib with a good response, received radiotherapy to hip and brain
• After 12 months he developed cough and dyspnea on exertion
• CT scan showed progression in the primary lesion and multiple other pulmonary nodules
• Tissue biopsy showed an EGFR T790M mutation
• Subsequent treatment with osimertinib resulted in tumor shrinkage as well as resolution of his symptoms.