Branchial Cleft Cysts and Sinuses in Children

Overview

Branchial cleft cysts and sinuses are congenital abnormalities that occur when the tissues in the neck and throat fail to develop properly during fetal development. These cysts or sinuses are remnants of the branchial clefts, which are structures present during early embryonic development. Branchial cleft cysts are fluid-filled sacs, while sinuses are small openings in the skin that may connect to deeper tissues or the throat. These conditions are typically present at birth but may not be noticeable until later in childhood. While usually benign, they can become infected or cause discomfort, necessitating medical intervention.

Symptoms

The symptoms of branchial cleft cysts and sinuses can vary depending on the size, location, and whether there is an infection. Common symptoms include:

  • Visible lump: A soft, smooth lump on one side of the neck, near the collarbone, or just below the jaw.
  • Tenderness or pain: The cyst or sinus may become tender, swollen, or painful, particularly if infected.
  • Fluid drainage: A branchial cleft sinus may drain mucus or fluid, which can sometimes be persistent.
  • Infection: If the cyst becomes infected, it may become red, swollen, and warm to the touch, and the child may develop a fever.

Causes

Branchial cleft cysts and sinuses are congenital conditions, meaning they are present from birth. They occur when the tissues that form the structures of the neck and throat do not completely close during fetal development. While the exact cause of this failure to close is not always clear, it is considered a developmental anomaly rather than something inherited or caused by environmental factors.

Types of Branchial Cleft Cysts and Sinuses: There are four types of branchial cleft anomalies, named according to the specific branchial cleft that is involved:

  • First branchial cleft: These are found near the ear or just below the jaw.
  • Second branchial cleft (most common): These are located along the side of the neck, often below the angle of the jaw.
  • Third branchial cleft: These are rarer and are found lower in the neck, closer to the collarbone.
  • Fourth branchial cleft: These are the rarest and are typically located very low in the neck or upper chest.

Risk Factors

Since branchial cleft cysts and sinuses are congenital, they are present at birth, and no specific risk factors have been identified that increase the likelihood of a child developing them. Both boys and girls can be affected equally, and the condition is usually detected in early childhood, although it may not be diagnosed until later in life.

Diagnosis

The diagnosis of branchial cleft cysts or sinuses is typically made through a combination of medical history, physical examination, and imaging tests. The diagnostic process may include:

  • Medical history: The doctor will ask about the child’s symptoms, when the lump or drainage was first noticed, and whether there have been any episodes of infection or swelling.
  • Physical examination: The doctor will examine the neck, throat, and ear areas for signs of a lump or drainage.
  • Imaging tests: Ultrasound, CT scans, or MRIs may be used to determine the exact location and extent of the cyst or sinus and to rule out other possible causes of neck lumps.
  • Fine needle aspiration (FNA): In some cases, a small sample of fluid from the cyst may be taken and analyzed to confirm the diagnosis and rule out other conditions, such as infections or tumors.

Treatment Options

Treatment for branchial cleft cysts and sinuses typically involves surgical removal to prevent infections and other complications. At Gertrude’s Children’s Hospital, we provide a range of treatment options based on the severity of the condition and the child’s symptoms.

  • Observation:
    In some cases, if the cyst is small, asymptomatic, and not causing any discomfort, the doctor may recommend a period of observation. However, because branchial cleft cysts can become infected or grow over time, surgery is often recommended to prevent future complications.
  • Antibiotics:
    If the cyst becomes infected, antibiotics will be prescribed to treat the infection. However, this will not eliminate the cyst itself, and surgery is often recommended after the infection is resolved.
  • Surgical removal:
    The definitive treatment for branchial cleft cysts and sinuses is surgery to remove the cyst or sinus tract entirely. This is usually done to prevent recurrent infections and other complications. The surgery is performed under general anesthesia, and in most cases, children recover quickly with minimal scarring.

    • Cyst excision: During the procedure, the surgeon will remove the entire cyst, ensuring no remnants are left behind, as this could lead to recurrence.
    • Sinus tract removal: For branchial cleft sinuses, the surgeon will carefully remove the entire tract to prevent the formation of a new sinus or abscess.
  • Post-surgery care:
    After surgery, the child may experience mild discomfort or swelling at the incision site. Pain relievers and antibiotics are typically prescribed to prevent infection and aid recovery. Most children return to normal activities within a few days.

Branchial Cleft Cysts and Sinuses in Children

No, branchial cleft cysts and sinuses do not go away on their own. Surgery is usually required to remove them and prevent complications like infections.

While antibiotics can treat infections caused by branchial cleft cysts, surgery is the only definitive treatment that prevents recurrence and future complications.

Most children recover quickly from branchial cleft cyst removal surgery, with a return to normal activities within a week. The recovery process may involve some swelling and mild discomfort.

As with any surgery, there are risks, including infection, bleeding, or scarring. However, branchial cleft cyst removal is a relatively safe procedure, especially when performed by experienced pediatric surgeons.

If the entire cyst or sinus tract is not completely removed during surgery, there is a risk of recurrence. This is why it’s important to have the procedure done by a skilled surgeon who can ensure complete removal.

Contact Us

If your child has been diagnosed with a branchial cleft cyst or sinus, Gertrude’s Children’s Hospital is here to provide expert care. Our pediatric surgeons specialize in the treatment of congenital neck anomalies and will work with you to ensure your child receives the best care possible.

Contact us today to learn more about our Branchial Cleft Cysts and Sinuses in Children treatment options.

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