Sebaceous Cysts

Sebaceous Cyst: Causes, Symptoms, Treatments, and More

Sebaceous cysts are common, noncancerous cysts of the skin. Cysts are atypical growths in your body that may contain liquid or semi-liquid material.

Sebaceous cysts are mostly found on your face, neck, or torso. They grow slowly and are not life threatening, but they may become uncomfortable if they go unchecked.

Doctors usually diagnose a cyst usually on examination and your medical history.

In some cases, a cyst will be examined more thoroughly for signs of cancer.

Cost of Cyst removal £400

Additional cysts £250

Causes of a sebaceous cyst

Sebaceous cysts form out of your sebaceous gland. The sebaceous gland produces the oil (called sebum) that coats your hair and skin.
Cysts can develop if the gland or its duct (the passage from which the oil is able to leave) becomes damaged or blocked. This usually occurs due to trauma to the area.

The trauma may be a scratch, a surgical wound, or a skin condition, such as acne. Sebaceous cysts grow slowly, so the trauma may have occurred weeks or months before you notice the cyst.

Other causes of a sebaceous cyst may include:-

  • misshapen or deformed ducts
  • damage to the cells during surgery

Symptoms of a sebaceous cyst

Small cysts are typically not painful. Large cysts can range from uncomfortable to considerably painful. Large cysts on the face and neck may cause pressure and pain.

This type of cyst is typically filled with white flakes of keratin, which is also a key element that makes up your skin and nails. Most cysts are soft to the touch.

Areas on the body where cysts are usually found are:-

  • scalp
  • face
  • neck
  • back

A sebaceous cyst is considered atypical — and possibly cancerous — if it has the following characteristics:

  • a diameter that’s larger than 5 centimetres
  • a fast rate of reoccurrence after being removed
  • signs of infection, such as redness, pain, or pus drainage

Treatment of a sebaceous cyst

Your doctor can treat a cyst by draining it or by surgically removing it. Usually, cysts are removed. This doesn’t mean they’re dangerous — it may be for cosmetic reasons.

Since most cysts aren’t harmful to your health, your doctor will allow you to choose the treatment option that works for you.

It’s important to remember that without surgical removal, your cyst will usually come back. The best treatment to ensure complete removal is surgery. However, some people may decide against surgery because it can cause scarring.

If you are ready to have your cyst removed, it’s important to note that simply draining the fluid or semi-liquid substance from the cyst will temporarily create the appearance that your cyst gone. Looks can be deceiving, however, as the sac is still present and will very likely fill up again over time.

Simply having a cyst drained is, therefore, a bad idea at worst and a temporary fix at best. Traditional, open, surgery is not necessary either. Minimally-invasive surgical techniques allow your sebaceous cyst, pilar cyst, or epidermal cyst to be removed under local anaesthesia on an outpatient basis.

Your doctor may use one of the following methods to remove your cyst:

  • Conventional wide excision. This completely removes a cyst but can leave a long scar.
  • Minimal excision. A method that causes minimal scarring but carries a risk that the cyst will return.
  • Laser with punch biopsy excision. This uses a laser to make a small hole to drain the cyst of its contents (the outer walls of the cyst are removed about a month later).

After your cyst is removed, your doctor may give you an antibiotic ointment to prevent infection. You should use this until the healing process is complete. You may also be given a scar cream to reduce the appearance of any surgical scars.

Diagnosis of a sebaceous cyst

Doctors often diagnose a sebaceous cyst after a simple physical examination. If your cyst is atypical, your doctor may order additional tests to rule out possible cancers. You may also need these tests if you wish to have the cyst surgically removed.

Outlook for a sebaceous cyst

Sebaceous cysts are generally not cancerous. Cysts left untreated can become very large and may eventually require surgical removal if they become uncomfortable.
If you have a complete surgical removal, the cyst will most likely not return in the future.
In rare cases, the removal site may become infected. Contact your doctor if your skin shows any signs of infection, such as redness and pain, or if you develop a fever. Most infections will go away with antibiotics, but some can be deadly if untreated.

Stratford Dermatherapy Clinic

6 Mansell Street, Stratford Upon Avon, Warwickshire CV37 6NR
Telephone: 01789 414289 Gateway to the Cotswolds.
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