| If there is a recurrence then operative removal of the cyst and its sac becomes necessary. |
| No further chemotherapy or radiotherapy could be given to control this recurrence. |
| If an anticonvulsant drug is used, the typical duration of therapy is one year, which represents the period with the highest risk of recurrence. |
| Many patients have at least one recurrence of disease activity during the course of the taper. |
| I'd also like to take antioxidant vitamins and the herbs astragalus and milk thistle to help prevent a recurrence, but my doctors disagree. |
| Obesity, insufficient excision, significant skin maceration, and chronic skin infection may increase the incidence of recurrence. |
