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Turbinate hypertrophy refers to enlargement of the turbinates inside the nose, particularly the inferior turbinates. Turbinates play an important role in nasal breathing by helping warm, humidify and regulate the air we breathe.
When the turbinates become enlarged, they may narrow the nasal airway and cause nasal obstruction or difficulty breathing through the nose. When planning treatment, it is important to determine whether the enlargement originates from the soft tissue, the bony structure or both.
What Are the Turbinates?
The turbinates are structures inside the nose that help guide, warm and humidify inhaled air. Because of these functions, they are an important part of healthy nasal breathing.
Are Turbinates the Same as Adenoids?
No. The turbinates, sometimes referred to as “nasal conchae,” are not the same as the adenoids or the nasal septum, which forms the central partition of the nose. Adenoid problems are more common during childhood, while turbinate-related conditions may also be frequently seen after childhood.
Which Turbinates Are Found Inside the Nose?
The turbinates are located on both sides of the nasal cavity and are named according to their position as the superior, middle and inferior turbinates. Each turbinate consists of a bony framework covered by soft tissue.
Superior Turbinate
Located in the upper part of the nasal cavity. Clinical problems related to the superior turbinate are encountered less frequently than problems involving the other turbinates.
Middle Turbinate
The middle turbinate is closely related to the sinus drainage pathways. Structural variations such as concha bullosa or a paradoxical middle turbinate may affect sinus drainage.
Inferior Turbinate
This is the area where turbinate hypertrophy is most commonly seen. Enlargement of the inferior turbinate may narrow the nasal airway and cause significant nasal obstruction.
What Is Turbinate Hypertrophy?
One of the most common turbinate-related conditions is turbinate hypertrophy, meaning enlargement of the turbinate beyond its normal size. It most commonly affects the inferior turbinate.
Enlargement may involve only the soft tissue, only the bony structure or both components. Determining which part is enlarged is important when selecting the most appropriate treatment.
What Causes Inferior Turbinate Hypertrophy?
Allergic Conditions
Swelling and edema of the nasal lining caused by allergic reactions may increase the volume of the inferior turbinates.
Septal Deviation
In patients with a deviated nasal septum, enlargement may occur particularly in the inferior turbinate on the opposite side as the nasal airway adapts to the imbalance in airflow.
Pregnancy and Hormonal Changes
Hormonal changes during pregnancy may cause swelling of the nasal mucosa and a temporary increase in turbinate volume.
What Symptoms Can Turbinate Disorders Cause?
Nasal Obstruction
Especially in inferior turbinate hypertrophy, narrowing of the nasal airway may cause one-sided or bilateral nasal obstruction.
Difficulty Breathing Through the Nose
Enlarged turbinates may reduce the amount of air passing through the nose and make nasal breathing more difficult.
Recurrent Sinus Complaints
Certain anatomical variations of the middle turbinate may narrow the natural sinus drainage pathways and contribute to recurrent sinus problems.
Discomfort During Nasal Breathing
Changes in airflow inside the nose may cause discomfort during nasal breathing, particularly during sleep or physical activity.
Middle Turbinate Disorders
Concha Bullosa
The presence of an air cell within the middle turbinate, causing it to enlarge, is known as concha bullosa. Unless it is significantly enlarged, it may not directly cause nasal obstruction; however, it can narrow the sinus drainage areas and contribute to recurrent sinus problems.
Paradoxical Middle Turbinate
When the middle turbinate curves in a direction different from its usual anatomy, it may narrow the area where the sinuses drain. In some patients, this anatomical variation may affect sinus drainage and contribute to recurrent symptoms.
How Is Concha Bullosa Diagnosed?
Concha bullosa and other structural variations of the middle turbinate can be evaluated in detail during the clinical assessment and, when necessary, with a CT scan of the paranasal sinuses, particularly in patients with recurrent sinus complaints.
How Is Turbinate Hypertrophy Treated?
Different treatment methods may be used for inferior turbinate hypertrophy. The most appropriate approach is selected according to whether the enlargement originates from soft tissue or bone, the severity of nasal obstruction and the patient's nasal anatomy.
Radiofrequency
Controlled radiofrequency energy is applied to the tissue beneath the turbinate mucosa with the aim of reducing tissue volume.
Other Tissue Reduction Methods
Depending on the patient's needs, different energy-based systems or other surgical methods aimed at reducing the volume of submucosal tissue may be considered.
Reduction of the Bony Component
If turbinate hypertrophy is mainly caused by enlargement of the bony structure, controlled reduction of the bony component may be planned in suitable patients.
Why Is Preserving the Turbinate Mucosa Important?
The mucosa covering the surface of the turbinates plays an important role in humidifying and warming inhaled air and regulating physiological airflow inside the nose.
For this reason, modern surgical approaches aim not only to reduce turbinate volume but also to preserve healthy, functional mucosa as much as possible. The treatment method is selected individually according to the patient's turbinate anatomy and underlying problem.
What Is Evaluated When Planning Treatment?
Type of Enlargement
It is evaluated whether the turbinate enlargement originates from the soft tissue, the bony structure or both.
Nasal Breathing
The severity of nasal obstruction and the extent to which it affects the patient's daily life are taken into account.
Associated Conditions
Allergies, septal deviation and other anatomical problems that may affect sinus drainage are evaluated together.
The Main Goal of Turbinate Treatment
The main goal of treating turbinate hypertrophy is to improve the nasal airway while preserving the natural functions of the turbinates and healthy nasal mucosa as much as possible.
The treatment approach is planned individually according to the type of turbinate enlargement, the severity of nasal obstruction, associated septal or sinus problems and the patient's overall nasal anatomy.
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