Fig. 4From: Metanephric stromal tumor in an adult with PDGFRA mutation: a case reportMolecular alterations of MST. A: B-Raf proto-oncogene serine/threonine kinase (BRAF) V600E mutation was not detected using PCR. B: Amino acids 842–843 of the platelet-derived growth factor receptor alpha (PDGFRA) gene were deleted, and base A was mutated to base TBack to article page