An epidermoid cyst is a common benign skin cyst that develops beneath the skin and often appears as a slow-growing, round lump. Although many epidermoid cysts are painless, they may become inflamed, infected, rupture, or increase in size over time. At BOME Dermatology Clinic in Apgujeong, Gangnam, a board-certified dermatologist (M.D., Ph.D.) provides comprehensive evaluation and personalized treatment for epidermoid cysts, focusing on accurate diagnosis, symptom relief, and minimizing recurrence whenever possible. Every patient receives an individualized assessment before treatment recommendations are made.

Whether your cyst is located on the face, scalp, neck, back, chest, or other areas of the body, BOME emphasizes evidence-based dermatologic care using appropriate medical or minor surgical procedures based on the size, location, and condition of the cyst.

Why Choose BOME Dermatology Clinic?

Proper diagnosis is essential because not every skin lump is an epidermoid cyst. At BOME, every patient is evaluated by a board-certified dermatologist who distinguishes epidermoid cysts from lipomas, abscesses, enlarged lymph nodes, and other skin lesions before recommending treatment.

Clinic Highlights

• Board-certified dermatologist (M.D., Ph.D.)
• Comprehensive skin lump evaluation
• Personalized treatment planning
• Office-based dermatologic procedures
• Medical and cosmetic dermatology
• Evidence-based patient care
• English-friendly consultations
• Private one-on-one treatment rooms
• Convenient Apgujeong location in Gangnam

What Is an Epidermoid Cyst?

An epidermoid cyst is a benign sac beneath the skin lined with epidermal cells that gradually fills with keratin, a natural skin protein. These cysts typically grow slowly and are usually movable beneath the skin.

They commonly develop on the:

• Face
• Neck
• Scalp
• Back
• Chest
• Shoulders
• Upper arms
• Trunk

While most epidermoid cysts are not dangerous, they may become painful or inflamed if they rupture or become infected.

Common Symptoms

Patients with epidermoid cysts may notice:

• Round lump beneath the skin
• Slow enlargement
• Smooth surface
• Firm or soft texture
• Small central opening (punctum)
• Tenderness if inflamed
• Redness
• Swelling
• Drainage of thick, keratin-like material
• Discomfort from pressure or friction

Conditions That May Resemble an Epidermoid Cyst

A dermatologist carefully evaluates whether the lump may instead represent:

• Lipoma
• Pilar (trichilemmal) cyst
• Abscess
• Sebaceous hyperplasia
• Enlarged lymph node
• Benign skin tumor
• Other soft tissue masses

Accurate diagnosis helps determine the safest and most effective treatment approach.

Comprehensive Cyst Evaluation

During your consultation, the dermatologist evaluates:

• Size of the cyst
• Location
• Growth pattern
• Duration
• Pain or tenderness
• Signs of inflammation
• History of rupture
• Previous treatment
• Surrounding skin condition

If the lesion has unusual features, additional diagnostic evaluation may be recommended before treatment.

Epidermoid Cyst Treatment Options

Treatment depends on whether the cyst is stable, inflamed, infected, or causing symptoms.

Observation

Small, painless epidermoid cysts that are not changing may simply be monitored if they are not causing discomfort or cosmetic concerns.

Medical Treatment

If the cyst becomes inflamed, your dermatologist may recommend medical management to reduce inflammation before considering a procedure.

Minor Surgical Removal

Complete removal of the cyst wall and its contents is commonly recommended for symptomatic or recurrent epidermoid cysts to help reduce the risk of recurrence.

Drainage

If a cyst is acutely inflamed or infected, drainage may be appropriate in selected cases. However, drainage alone may not remove the cyst lining, so recurrence can still occur.

Your dermatologist will recommend the most appropriate treatment based on your individual condition.

What to Expect During Your Visit

Step 1 – Consultation

A board-certified dermatologist reviews your medical history and examines the skin lesion.

Step 2 – Diagnosis

The dermatologist determines whether the lump is an epidermoid cyst or another skin condition.

Step 3 – Personalized Treatment Plan

Treatment recommendations are based on the size, location, symptoms, and overall health of the surrounding skin.

Step 4 – Procedure (When Indicated)

Many cyst removal procedures are performed in the clinic under local anesthesia with minimal interruption to daily activities.

Step 5 – Aftercare

You receive individualized wound-care instructions and follow-up recommendations to support healing.

When Should an Epidermoid Cyst Be Evaluated?

You should consider evaluation if you notice:

• Rapid enlargement
• Pain
• Redness
• Drainage
• Recurrent inflammation
• Cosmetic concerns
• Interference with shaving or clothing
• Uncertainty about the diagnosis

Prompt evaluation helps determine whether treatment is needed and rules out other skin conditions.

International Patients Welcome

BOME Dermatology Clinic welcomes:

• Medical tourists
• Expats
• International students
• Business travelers
• Long-term foreign residents

International patients benefit from:

• English-friendly communication
• Personalized consultations
• Board-certified dermatologist care
• Transparent treatment recommendations
• Comprehensive aftercare planning

Why Choose a Board-Certified Dermatologist?

Although epidermoid cysts are usually benign, similar-appearing lumps may require different treatment. A board-certified dermatologist has specialized training in diagnosing skin and soft tissue lesions and selecting the safest management approach. Professional removal also helps reduce recurrence by addressing the entire cyst when appropriate.

Frequently Asked Questions

What causes an epidermoid cyst?

Epidermoid cysts develop when epidermal cells become trapped beneath the skin and continue producing keratin, forming a cyst over time.

Is an epidermoid cyst dangerous?

Most epidermoid cysts are benign. However, they should be evaluated if they become painful, rapidly enlarge, repeatedly become inflamed, or if the diagnosis is uncertain.

Will an epidermoid cyst go away on its own?

Some cysts remain stable for years, while others gradually enlarge. Inflamed cysts may temporarily improve, but complete removal is often required if symptoms persist or the cyst recurs.

Can an epidermoid cyst come back after treatment?

If the cyst lining remains, recurrence is possible. Complete removal of the cyst wall generally lowers the likelihood of recurrence compared with simple drainage.

Do you treat international patients?

Yes. BOME Dermatology Clinic provides English-friendly consultations and welcomes international patients seeking dermatologist-led diagnosis and treatment of epidermoid cysts.