Читать книгу Veterinary Surgical Oncology - Группа авторов - Страница 98

Excisional biopsy involves removal of the skin tumor with a margin of normal tissue in all planes. The potential advantage of an excisional biopsy is that it provides both a diagnosis and definitive treatment in one surgical episode. Excisional biopsy is best suited for small masses with benign or low‐grade features of malignancy on FNA cytology in anatomical locations that allow for wide resection. Inappropriate use of excision biopsy can result in incomplete surgical margins compromising the optimal treatment options for a patient. Bacon et al. (2007) reported on 41 cases of unplanned excisional resection of soft tissue sarcoma skin masses that resulted in incomplete resection. Only 41% of cases in that study had preoperative FNA cytology performed, and 59% percent of cases did not have a presurgical biopsy procedure, highlighting the need for appropriate preoperative diagnostic evaluation.