Clinical Research Directory

Inclusion Criteria: 1. Age ≥ 18 years old 2. Signed Informed Consent 3. Patient with chronic maxillary sinusitis diagnosed by examination of the patient and ENT examination by naso-fibroscopy 4. Sinus imaging to confirm the diagnosis (facial mass scanner or cone beam CT) 5. Affiliated or beneficiary of a social security scheme Exclusion Criteria: 1. Fungal bullet sinusitis 2. Naso-sinus polyposis 3. atelectasic sinusitis 4. Systemic damage that may affect the maxillary sinuses (muciviscidosis, primary ciliary dyskinesia, vasculitis, granulomatosis, history of radiotherapy of the facial mass, pregnancy) 5. Long-term immunosuppressive treatment (chemo, anti-rejection) 6. Rhinosinusian tumor process 7. Fronto-ethmoidomaxillary sinusitis with risk of orbital or meningeal damage in the short to medium term. 8. Refusal of consent 9. Simultaneous participation in another intervention research 10. Patient under guardianship, curatorship or justice protection