Biologic Behaviour
•oral FSA is the 2nd most common feline oral tumor with an incidence of 13%-17%
•mean age 10 years
•no site predilection ± gingiva
•locally invasive into the gingiva and bone with local tumor recurrence after surgical excision common
•bone involvement is common
•metastasis to the regional lymph node is rare but metastasis to the lungs occurs in up to 20% cats
Treatment
•surgical treatment: mandibulectomy and maxillectomy
•radiation therapy can be used alone or in combination with surgical excision, but is considered palliative
•chemotherapy: doxorubicin and cyclophosphamide for oral FSA
Prognosis
•local control is more important than metastatic disease with local recurrence the most common cause of death
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