In most cases, tumor type and stage should be diagnosed before surgical intervention to determine the most appropriate treatment plan. This information, combined with the owner’s goals for therapy, can help determine the appropriate surgical approach.
The following are 5 common oncologic conditions that respond to surgery.
Soft-tissue sarcoma (STS) is the disease most often used as an example in explaining the basic principles of the surgical management of cancer. In many cases, sarcomas can be cured with surgery, particularly if they are low-to-intermediate grade and if surgical oncology principles are followed. This means always having knowledge of the tumor type before excision with wide margins. Wide margins should include 3-cm radial margins and 1 fascial plane deep.1 A fascial plane is a barrier to tumor cell invasion, and it is necessary to remove this deep fascial plane to ensure that deep invading cells are removed. A fascial plane may include fascia, a layer of muscle, or bone. Subcutaneous tissue, fat, and tumor pseudocapsule are not an adequate deep barrier for tumor-cell invasion.
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