Turbinate Hypertrophy

Turbinate hypertrophy is the enlargement of the nasal turbinates —bony projections covered by erectile mucosal tissue within the nasal cavity — most commonly affecting the inferior turbinates. The hypertrophy reduces the nasal airway cross-sectional area, producing chronic nasal obstruction that is frequently mistaken for allergic rhinitis or sinusitis.

Understanding Turbinate Hypertrophy

The nasal turbinates (conchae) are three paired structures — inferior, middle, and superior — that project medially from the lateral nasal wall. They are not pathological; they serve critical physiological functions: warming, humidifying, and filtering inspired air before it reaches the lower airways. The inferior turbinate in particular contains a rich vascular network of capacitance vessels — erectile tissue akin to that of the penis — that can rapidly engorge and decongest in response to environmental, hormonal, and positional stimuli. In turbinate hypertrophy, this tissue becomes chronically enlarged due to persistent allergic stimulation, vasomotor rhinitis, medication overuse (rhinitis medicamentosa), or anatomical factors such as nasal septal deviation that redirect airflow onto the turbinate.

The result is a chronically obstructed nasal airway that forces mouth breathing, disrupts sleep, impairs exercise tolerance, and significantly reduces quality of life. Radiofrequency turbinoplasty offers a quick, minimally invasive solution performed under local anaesthesia with immediate improvement in nasal airflow. Istanbul's ENT specialists perform high-volume turbinate reduction procedures at a fraction of Western costs.

Turbinate Hypertrophy

Treatment Options for Turbinate Hypertrophy

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Symptoms of Turbinate Hypertrophy

The cardinal symptom is chronic, bilateral nasal obstruction that is worse on the side the patient is lying on (the dependent nasal passage naturally congested by gravity). The obstruction may be positional — alternating between sides throughout the day (the nasal cycle). Patients describe constant nasal congestion that does not respond adequately to over-the-counter decongestants or allergy medications. Mouth breathing during sleep is common, producing dry mouth, snoring, and poor sleep quality. Reduced sense of smell (hyposmia), postnasal drip, facial pressure, and recurrent sinus infections are associated symptoms. On anterior rhinoscopy, the inferior turbinates appear enlarged, erythematous, and may contact the nasal septum.

Diagnostic Pathways

Nasal endoscopy is the primary diagnostic tool, allowing direct visualisation of the inferior, middle, and superior turbinates. The mucosa is assessed for colour, texture, and degree of hypertrophy. The response to topical decongestant (oxymetazoline spray) helps differentiate mucosal hypertrophy (which shrinks) from bony hypertrophy (which does not). CT of the sinuses is performed to evaluate for concomitant chronic rhinosinusitis, nasal septal deviation, and sinonasal polyps. Allergy testing (skin prick test or serum specific IgE) identifies allergic triggers that may be driving the hypertrophic response. Nasal inspiratory peak flow or rhinomanometry provides objective quantification of nasal airway obstruction.

Advanced Treatment Options at Vellum Select

Radiofrequency Turbinoplasty

The preferred first-line surgical treatment for medication-refractory turbinate hypertrophy is Radiofrequency Turbinoplasty in Turkey. A thin electrode is inserted into the submucosal plane of the inferior turbinate, and radiofrequency energy is delivered to create controlled thermal coagulation of the erectile tissue. Over 4–6 weeks, the treated tissue contracts and scars down, reducing turbinate volume while preserving the overlying mucosa and normal physiological function. The procedure is performed under local anaesthesia in the outpatient setting, takes 10–15 minutes per side, and patients experience immediate improvement in nasal breathing with minimal discomfort and no packing required.

To discuss your turbinate hypertrophy with a Vellum Select ENT specialist, contact us to arrange a consultation.