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Not every patient with sinusitis requires surgery. Learn the clinical, endoscopic, and CT criteria used to decide on endoscopic sinus surgery.
Clinical Criteria for Endoscopic Sinus Surgery
Not every patient with sinusitis needs surgery. Many patients improve with targeted medical therapy. Surgery is considered when symptoms persist despite appropriate medical treatment, objective mucosal disease is confirmed on endoscopy or CT, or polyps, mucoceles, fungal balls, or orbital/intracranial complication risks are present.
Medical Therapy vs. Functional Endoscopic Sinus Surgery (FESS)
| Clinical Parameter | Conservative Medical Therapy | Endoscopic Sinus Surgery (FESS) |
|---|---|---|
| Primary Indication | Acute rhinosinusitis (<4 weeks) & mild mucosal edema | Refractory chronic sinusitis (12+ weeks), nasal polyps, fungal ball, mucocele |
| Approach & Incision | Saline irrigation, topical steroid sprays & medication | 100% endonasal via nostrils (HD/4K camera), zero external incisions or scars |
| Anatomical Effect | Reduces mucosal swelling within existing pathways | Physiologically widens blocked ostia while preserving healthy mucosa |
| Duration & Anesthesia | Outpatient medical protocol | General anesthesia · Average 1–2 hours |
| Recovery & Flight | No downtime | Same/next-day discharge · ~Day 3 check-up & fit-to-fly evaluation |
📚 Evidence-Based Medical Guideline Alignment: Diagnostic and surgical criteria on this page align with the international European Position Paper on Rhinosinusitis and Nasal Polyps (EPOS) guidelines and are medically reviewed by Prof. Dr. H. Baki Yılmaz (President of Istanbul ENT Specialists Association, 2026–2027 · Kocaeli Health and Technology University).