“…Lesion recurrence rates of 4% to 31% over a wide range of follow-up periods have been reported in the literature (from 4 weeks to 24 months after VFSI). 15,17,18,32,38 Without a clear follow-up protocol and predefined criteria for recurrence, these data on symptom recurrence following VFSI might be hard to interpret or may be subject to bias. After 2 years, patients with mucus-retention cysts showed higher cumulative treatment failure rates (39%) (ie, symptom recurrence or receiving secondary intervention) than did those with polyps (33%) or nodules (31%).…”