Functional Endoscopic Sinus Surgery (FESS)
Functional Endoscopic Sinus Surgery (FESS) uses high-definition wide-angle micro-endoscopes and powered microdebriders to clear blocked ostiomeatal complexes, excise nasal polyps, and restore natural sinus ventilation without facial incisions.
Endoscopic sinus surgery (FESS)
Clinical Overview & Disease Information
Functional Endoscopic Sinus Surgery (FESS) uses high-definition wide-angle micro-endoscopes and powered microdebriders to clear blocked ostiomeatal complexes, excise nasal polyps, and restore natural sinus ventilation without facial incisions.
Signs & Symptoms
- • Persistent nasal congestion and facial pressure over cheeks/forehead
- • Anosmia or hyposmia (reduced sense of smell)
- • Mucopurulent post-nasal drip and chronic cough
- • Recurrent sinus headaches
- • Nasal obstruction due to bilateral ethmoidal polyps
- • Halitosis (bad breath)
- • Periorbital cellulitis / abscess secondary to ethmoiditis
- • Severe cavernous sinus thrombosis
Causes & Risk Factors
Primary Causes & Etiology
- Chronic Rhinosinusitis with Nasal Polyposis (CRSwNP)
- Allergic Fungal Rhinosinusitis (AFRS)
- Anatomical ostiomeatal unit blockage (Concha Bullosa, Deviated Septum)
Who is at Higher Risk?
- Patients with refractory sinusitis failing 4-6 weeks of oral antibiotics and steroid sprays
Diagnostic Evaluation & Testing
| Diagnostic Test | Clinical Purpose / What It Shows |
|---|---|
| Non-Contrast CT Paranasal Sinuses (CT-PNS 1mm Coronal & Axial) | Maps Lund-Mackay staging score, Keros depth of cribriform plate, and ethmoid anatomy |
| Diagnostic Rigid Nasal Endoscopy (0° / 30° Scope) | Visualizes middle meatus discharge, mucosal edema, and polypoid tissue |
Comprehensive Treatment Options
3D Image-Guided Navigation FESS & Powered Microdebrider Polypectomy
Real-time electromagnetic 3D navigation guided endoscopic uncinectomy, maxillary antrostomy, ethmoidectomy, and sphenoidotomy.
Full House FESS + Endoscopic Frontal Sinusotomy (Draf IIb / Draf III Flap)
Comprehensive clearing of all paranasal sinuses including frontal sinus drillout for recalcitrant disease.
Advanced Medical Technologies Available in Partner Hospitals
Possible Complications If Untreated
Recovery Timeline, Diet & Lifestyle Care
Recovery Timeline
| Procedure / Stage | Expected Recovery Duration |
|---|---|
| Nasal Packing / Gel Removal | 24 to 48 hours |
| High-Volume Saline Douching | 2 to 4 weeks |
| Mucosal Healing & Endoscopic Debridement | 4 to 6 weeks |
Recommended Post-Treatment Diet
- Normal diet
- Avoid piping hot drinks for 48 hours
- Hydration 2.5L/day
Essential Lifestyle Changes
- Perform high-volume saline nasal douching 3-4 times daily
- Do NOT blow nose forcefully for 14 days
- Sleep with head elevated
Prevention & Long-Term Health
Frequently Asked Questions
Is FESS surgery painful?
FESS causes minimal pain; most patients experience mild pressure/stuffiness similar to a cold for 2-3 days.
Top Recommended Specialists Available
Global Cost Comparison Matrix
| Procedure | USA (Avg) | India (ISG) | Turkey (Avg) | Thailand (Avg) |
|---|---|---|---|---|
| Endoscopic sinus surgery (FESS) | $18,000 | $2,800 | $4,500 | $5,000 |
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Get Free Treatment EstimateCommonly Prescribed Medications
- Fluticasone Furoate Nasal Spray 2 puffs daily
- Normal Saline Nasal Douching Kit
- Amoxicillin-Clavulanate 625mg
- Short course Oral Prednisolone
International Patient Guide
- Passport & Visa
- CT PNS CD & Endoscopy Reports