Risk factors for subsequent recurrence after surgical treatment of recurrent pleomorphic adenoma of the parotid gland.
2020
Background Recurrent pleomorphic adenoma (PA) can be a lifelong disease, and rates of subsequent recurrence are high. Methods Patients between 2000 and 2015 were identified. Primary outcome was subsequent recurrence after surgical salvage. Results Twenty-seven of 84 patients developed a subsequent recurrence. Risk factors for subsequent recurrence included a higher number of previous recurrences (P 10 years since last surgery (P 10-year interval since their last surgery, the subsequent recurrence-free rate at 10 years follow-up was 80.2% vs 31.8%. Conclusions For patients presenting with a >10-year interval since their last surgery, subsequent recurrence rates are low, which may allow for as needed surveillance recommendations. For patients presenting with recurrent PA and ≤10 years since their last surgery, a closer surveillance is warranted.
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