[Efficacy of combined modality therapy for intractable difficult-to-treat rhinosinusitis].

Objective: To investigate the clinical effects of the combined modality therapy for the patients with difficult-to-treat rhinosinusitis (DTRS).

Method: The clinical data involving 42 patients with DTRS were analyzed retrospectively. All patients received revision endoscopic sinus surgery (ESS) and combined modality therapy systematically and individually.