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Mammary Gland Tumors, Dog   1435



                                                                 Carcinoma
  VetBooks.ir


                         Tumor   3 cm
                                                                                               Tumor any size
                          T1, N0, M0                         Tumor 3-5 cm,  5 cm         regional lymph node metastasis
                                                                T2-3, N0, M0
                           (stage I)                            (stages II-III)                 T1-3, N1, M0
                                                                                                 (stage IV)
                 Histology:         Histology:          Histology:        Histology:
              • Well differentiated  • Anaplastic tumor  • Well differentiated  • Anaplastic tumor    Incomplete
              • No lymphatic/   • Lymphatic/vascular  • No lymphatic/  • Lymphatic/vascular            excision
               vascular invasion  invasion            vascular invasion  invasion

                                                                                                      2nd (radical)
                          Incomplete                             Incomplete                            surgery
                           excision                               excision


                       2nd (radical) surgery                 2nd (radical) surgery
                                                                                           Complete
                                                                                            excision
                                                                                        (with lymph node)
              Complete                 Complete      Complete                Complete
               excision                excision      excision                 excision


                           Consider
                       ovariohysterectomy
                            (OHE)
                                                                       Consider             Consider   Consider
                                       Consider                      chemotherapy         chemotherapy  OHE
                                        chemo-       Consider
              • No further adjuvant treatment  therapy  OHE
              • Regular recheck examinations


             Dashed lines represent possible but nonessential courses of action.
           EDITED BY: Leah A. Cohn, DVM, PhD, DACVIM












                                                                                                                      Clinical   Algorithms





















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