title: Secondary resistance to imatinib mesylate in a patient with unresectable duodenal GIST without mutations in exons 9, 11, 13, or 17 of the c-kit protooncogene.
authors.forename: Masahiko
authors.initials: M
authors.lastname: Yamaguchi
authors.forename: Tadashi
authors.initials: T
authors.lastname: Matsumoto
authors.forename: Genshu
authors.initials: G
authors.lastname: Tate
authors.forename: Takakazu
authors.initials: T
authors.lastname: Higuchi
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001549:Benzamides; D019008:Drug Resistance, Neoplasm / Q000235:genetics*; D004379:Duodenal Neoplasms / Q000235:genetics* / Q000473:pathology; D046152:Gastrointestinal Stromal Tumors / Q000188:drug therapy*; D006801:Humans; D000068877:Imatinib Mesylate; D008113:Liver Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary; D008297:Male; D008875:Middle Aged; D010879:Piperazines / Q000627:therapeutic use*; D019009:Proto-Oncogene Proteins c-kit / Q000235:genetics; D011743:Pyrimidines / Q000627:therapeutic use*; D014057:Tomography, X-Ray Computed
chemical_list: D000970:Antineoplastic Agents; D001549:Benzamides; D010879:Piperazines; D011743:Pyrimidines; D000068877:Imatinib Mesylate; D019009:Proto-Oncogene Proteins c-kit