BRAF Immunoexpression Can Be Intralesionally Heterogeneous but BRAF V600E Mutation Status Is Intralesionally Homogeneous and Interlesionally Concordant in Melanoma: A Study of 140 Lesions From 98 Patients.

Abstract excerpt

ABSTRACT: This study sought to confirm the homogeneity of BRAF V600E mutation status in melanoma. BRAF immunohistochemistry was performed on 102 lesions from 60 patients of melanoma with BRAF V600E mutation and 38 negative-control melanoma lesions from 38 patients, both of which were confirmed by real-time PCR or the MassARRAY System. In the positive-control lesions, 9 lesions from 7 patients with preceding...

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