What Causes Nose Necrosis and How Is It Treated?

Nose necrosis is the death of tissue in the nasal region. This condition arises when blood flow to the nasal tissue is severely reduced or completely blocked, starving the cells of oxygen and nutrients. Necrosis of the nose is relatively uncommon, typically occurring as a complication of a larger systemic issue or a localized catastrophic event. Recognizing this condition requires understanding that it is not a primary disease but a devastating physical manifestation of underlying circulatory failure.

What Necrosis Looks Like

The first signs of nasal tissue death often involve noticeable changes in the skin’s appearance, moving from a pale or white color to darker shades. As oxygen deprivation progresses, the affected skin may turn blue, purple, or eventually black. The texture of the nose also changes, becoming firm, waxy, or shiny as the underlying tissues cease to function.

A patient may experience pain that does not respond to typical pain relievers, along with a loss of sensation in the affected area due to nerve damage. Blistering, open sores, or ulcers may develop on the skin surface. Furthermore, the presence of a foul odor or discharge suggests an associated infection or the advanced decay of the necrotic tissue.

Identifying the Underlying Triggers

Nose necrosis is typically a secondary complication that compromises blood supply to the highly vascularized nasal structure. The primary causes involve systemic issues, infections, or direct physical damage:

  • Systemic autoimmune disorders
  • Severe fungal or bacterial infections
  • Direct physical obstruction or chemical damage
  • Complications from cosmetic procedures

Systemic Autoimmune Disorders

One significant trigger involves systemic autoimmune disorders, particularly a type of vasculitis known as Granulomatosis with Polyangiitis. This condition causes the immune system to mistakenly attack and inflame small blood vessels, which leads to vessel narrowing and blockage.

Severe Infections

Severe infections can also be a cause, especially in individuals with compromised immune systems, such as those with uncontrolled diabetes. Fungal infections, like rhino-cerebral mucormycosis, are aggressive organisms that invade blood vessel walls, causing clots and tissue death as they spread rapidly through the nose and into surrounding structures. This type of infection requires immediate and aggressive medical intervention to prevent widespread destruction.

Trauma and Chemical Damage

Another common pathway to necrosis is the direct physical obstruction or chemical damage to the nasal blood vessels. This can result from severe trauma, thermal injury, or, increasingly, from the use of inhaled illicit substances like cocaine. Cocaine is a potent vasoconstrictor, meaning it rapidly constricts blood vessels, which can lead to septal perforation and eventual necrosis of the surrounding cartilage and skin.

Cosmetic Procedures

Cosmetic procedures, such as the injection of dermal fillers, can also inadvertently cause necrosis if the filler material is accidentally injected directly into an artery. This intravascular injection immediately blocks the flow of blood to the downstream tissue, often resulting in a sudden onset of pain and blanching of the skin. Regardless of the origin, the underlying mechanism is always the same: a failure of the circulatory system to deliver the necessary oxygen to the nasal cells.

Treatment and Management

If the trigger is an autoimmune condition like vasculitis, treatment involves high-dose immunosuppressive medications, such as corticosteroids, to suppress the immune response and reduce blood vessel inflammation. For severe fungal or bacterial infections, potent, broad-spectrum antifungal or antibiotic therapies are started immediately to eradicate the invading pathogen.

Acute management for necrosis caused by a vascular blockage, such as from dermal fillers, often involves injecting hyaluronidase, an enzyme that dissolves hyaluronic acid fillers. In cases where the tissue is already non-viable, surgical debridement is often performed to remove the dead, infected material.

Supportive care is also a component of acute management, which may include the use of topical vasodilators to encourage blood flow to the compromised area. Depending on the cause and severity, some specialized treatments like hyperbaric oxygen therapy may be used to saturate the remaining tissues with oxygen. The overall management plan is highly customized, prioritizing the patient’s immediate safety and preventing further tissue loss before considering reconstruction.

Addressing Structural Damage and Recovery

After the necrotic process is fully arrested and the patient is stable, the focus shifts to addressing the functional and cosmetic damage caused by the tissue loss. Necrosis can destroy the nasal lining, cartilage, and outer skin, often leading to deformities like a saddle nose, where the bridge collapses. Reconstructive surgery is typically required to restore both the structural integrity and the aesthetic contour of the nose.

This reconstruction is often a multi-stage process, sometimes requiring several operations over many months. Surgeons may use cartilage grafts harvested from the patient’s rib or ear to rebuild the underlying skeletal framework of the nose. Skin defects are repaired using tissue from other parts of the body, such as local flaps rotated from the cheek or forehead flaps. Long-term follow-up care is necessary to monitor the reconstructed area and ensure the underlying systemic condition, if present, remains controlled to prevent recurrence.