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Background: Sinonasal malignancies are a rare subset of head and neck tumors, and surveillance strategies after definitive tumor treatment are often generalized from those for overall head and neck cancer outcomes data. However, recent literature suggests that the posttreatment period in sinonasal cancer is fundamentally different and a more tailored surveillance approach may be beneficial. Although rates of symptomatology are high in head and neck cancer recurrence and patient‐driven follow‐up is common, rates of symptomatology are unknown in sinonasal cancer specifically. Methods: Patients with recurrence of sinonasal malignancy were identified at 3 academic rhinology and skull base surgery centers. Demographic, tumor, and treatment data were collected. Rates of symptomatology at presentation were tabulated and examined in the context of several other variables. Results: Fifty‐five patients had recurrence of sinonasal malignancy after definitive treatment. Fifty‐one percent of patients had no suspicious symptoms at the time of tumor recurrence, with an average time to recurrence of 33 months. Male patients and patients with stage IVA or lower disease were significantly more likely to be asymptomatic at the time of recurrence (p < 0.05). Conclusion: Patients with sinonasal malignancy have a much lower rate of symptomatology during tumor recurrence than that observed in head and neck cancer overall. Furthermore, time to recurrence is substantially longer, as a majority of head and neck cancer recurrences occur in the first 12 months after treatment. These differences highlight the need for more tailored surveillance paradigms in asymptomatic patients with a history of a definitively treated sinonasal neoplasm. [ABSTRACT FROM AUTHOR]