PROGNOSIS AFTER SURGICAL EXCISION OF CEREBRAL MENINGIOMAS IN CATS - 17 CASES (1986-1992)

Long-term follow-up information was obtained for 17 cats with cerebral meningiomas treated by surgical excision. Three cats died or were eut hanatized in the immediate postoperative period: 2 cats, because of br ain herniation and 1 cat, because of acute renal failure. In the remai ning 14 cats, most clinical signs resolved within 1 week of surgery. T hree cats (21.49%) had confirmed or presumed local tumor recurrence. T wo of these cats developed recurrent neurologic signs, and died or wer e euthanatized at 3 and 9 months, respectively, after surgery. One cat was euthanatized for an unrelated problem 72 months after surgery, an d on postmortem examination, had a recurrent meningioma at the surgery site. The remaining 11 cats (78.6%) did not develop evidence of local tumor recurrence within follow-up periods ranging from 18 to 47 month s (median, 27 months).