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biopsy specimen
Tissue removed from the body and examined under a microscope to determine whether disease is present. (National Cancer Institute)
EGFR Mutation and Resistance of Non–Small-Cell Lung Cancer to ... Feb 23, 2005 The DNA sequence of the EGFR gene in his tumor biopsy specimen at relapse revealed the presence of a second point mutation, resulting in threonine-to ... New England Journal of Medicine (subscription),
Chasing Mutations in the Epidermal Growth Factor in Lung Cancer Feb 23, 2005 This tumor had progressed after a two-year response to gefitinib, and the biopsy specimen contained a second mutation in the tyrosine kinase domain of EGFR. ... New England Journal of Medicine (subscription),
Resources from the National Cancer Institute on biopsy specimen:
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