We treated 249 patients for ingrowing toenails in a prospective randomised study which compared wedge excision with segmental phenol cauterisation. Follow-up of 97% was at a minimum of 14 months. The analgesic requirement was significantly lower after phenol cauterisation (p less than 0.001), and significantly fewer patients needed to miss school or work (p = 0.001). Recurrence of ingrowth was seen in 16% after wedge excision and 9.6% after phenol cauterisation (not significant), but re-operation was significantly less frequent after phenol (p less than 0.01). Phenol cauterisation gives better short-term and long-term results than wedge resection.
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