Page 634 - Withrow and MacEwen's Small Animal Clinical Oncology, 6th Edition

612 PART IV Specific Malignancies in the Small Animal Patient

MGT, depending on size and fixation. 123 If abdominal surgery removal should follow abdominal closure. For animals with mul-
is to be performed simultaneously for OHE, accidental pen- tiple MGTs, more extensive resections such as a regional mas-
tectomy, unilateral chain mastectomy, or bilateral mastectomy
etration of the tumor capsule before abdominal entry is to be
VetBooks.ir avoided to prevent direct spread of tumor cells; rather, tumor may be pursued. As with other tumor resections, surgical margin

A B

C D

E
• Fig. 28.3 (A) Multiple bilateral mammary tumors in a dog with taut abdominal tissue. (B) A staged left
chain mastectomy was performed initially of the side with the larger tumors. (C) Immediate postsurgical
appearance after the staged unilateral chain mastectomy without undue tension. (D) The staged right
chain mastectomy was performed 6 weeks later. (E) Immediate postsurgical appearance after completed
resection of all mammary tumors in this dog. (Courtesy Dr. Julius Liptak, VCA Canada—Alta Vista Animal
Hospital, Ottawa, Canada.)