A sebaceous cyst is a small non-cancerous lump or bump on the skin. It is usually found on the face, neck, upper chest and upper back but can also appear on other parts of the body.
It develops gradually, and there is no pain. A sebaceous cyst can, however, become infected or inflamed and sometimes emit a foul odour, sometimes with an accompanying discharge of a cheese-like substance. The
inflammation can cause the skin to be tender and sore. A treatment to address this issue is often recommended to alleviate discomfort and improve skin’s appearance.
A sebaceous cyst occurs beneath the skin, dome-shaped and smooth in appearance. It may become infected or inflamed, grow in size and may also emit an odour or a cheese-like substance discharge. Although these may be harmless, they will not go away without treatment.
A sebaceous cyst is usually found in the face, neck, upper chest and upper back. It develops slowly and isn’t life-threatening but can be a source of discomfort when it becomes infected or inflamed. A physical examination and an assessment of a patient’s medical history are usually performed by a doctor to diagnose the condition. Sometimes, the cyst may require a more thorough examination for signs of cancer.
The sebaceous gland produces sebum, an oil-like substance that coats hair and skin. If the gland or its duct is blocked or damaged, a cyst usually develops. The damage or blockage to the gland or its duct is usually the result of trauma to the area.
The trauma may be in the form of a scratch, surgical wound or even a skin condition like acne. As a sebaceous cyst develops slowly, an individual may not realise its presence because the trauma caused to the area may have
occurred some time ago.
A sebaceous cyst may also be caused due to:
• misshapen or deformed ducts
• damage to the cells as a result of a surgery
• genetic conditions, such as Gardner’s syndrome or Basal Cell Nevus syndrome
Depending on its size, a cyst is typically not painful. Large ones, however, can cause discomfort and even pain, particularly those found on the face and neck. Most sebaceous cysts are soft to the touch and contain keratin, which is a component that makes up skin and nails.
A sebaceous cyst can be removed by draining or surgery. Although it is generally not dangerous or harmful, its removal usually centres around cosmetic reasons. Surgery is the best option as it eliminates the chances of the cyst reappearing. Still, some people prefer not to opt for surgery because it can cause scarring.
The methods of removal a doctor may opt for include:
• A conventional wide excision as this completely removes a cyst but can leave a long scar
• Minimal excision where there is minimal scarring but does not guarantee that the cyst will not reappear
• Laser with punch biopsy excision, which uses a laser to make a small hole to drain the cyst. Its outer walls are removed about a month later.
After a sebaceous cyst removal, an antibiotic ointment may be given to prevent infection. It is advisable to use it as directed until healing is complete. A scare cream may also be dispensed to help reduce the appearance of surgical scars (if any).
Typically, there are no complications or side effects after drainage or surgery. However, the cyst can still recur.
Some telltale signs that a sebaceous cyst may be infected are:
• Signs of redness
• Tender to the touch
• Discomfort or pain
• The cyst is draining or leaking pus
If a sebaceous cyst ruptures, it can lead to an infection that would require immediate attention.
An untreated infected sebaceous cyst can lead to complications like an abscess. If an abscess ruptures in a body, it can lead to septicaemia or blood poisoning.
An infected cyst can be treated with antibiotics in the form of oral medication or topical cream, or both. If this fails, the issue can be addressed by draining or surgery.
An infected sebaceous cyst will not heal until it is removed either by draining or surgery. Without treatment, it can be present for a long time and may even cause discomfort or pain.
A patient will be given the option of having the cyst drained or surgically removed. Surgery is usually the best option when it comes to reducing the likelihood of the issue recurring, but it is not necessarily the most popular as it can cause scarring.
The methods the doctor may opt for are a conventional wide excision, minimal excision or laser with punch biopsy excision. These will be discussed with the doctor, and it is advisable for a patient to raise any questions to alleviate any concerns. Post-treatment care will also be advised by the doctor.
Surgery is a practical, safe and most effective method of sebaceous cyst removal. It reduces the chance of the cyst recurring. While some people may not be comfortable with the option as it can cause scarring, it is best that a patient give considerable thought and discussion with the doctor.
A cyst can cause discomfort and pain. Without treatment, like surgical removal, it can lead to other complications.
Prior to surgery, a patient is advised to follow the doctor’s instructions, and these include shaving hair from the infected area and cleaning it. During the procedure, the patient can expect:
• To be placed under local anaesthesia
• A tiny incision is made in the skin to squeeze the cyst out
• Stitches to be made after the cyst has been addressed
• The wound to be bandaged
The procedure is usually done within 30 minutes. Post-treatment, the patient can expect to go home. The discomfort or pain will be minimal and can be regulated with painkillers. The patient will also be advised to:
• Change the dressing daily
• Follow the post-treatment care advise
• Consume a diet high in fresh fruits, vegetables and other light foods
• Avoid spicy food
• Reduce or eliminate alcohol intake
The patient will also be scheduled for a follow-up appointment within ONE to TWO weeks.