Verrucous cyst

Verrucous Cyst

A verrucous cyst on the skin.

A verrucous cyst is a type of cutaneous cyst characterized by a warty or verrucous surface. These cysts are typically benign and can occur on various parts of the body. They are often mistaken for other types of skin lesions due to their unique appearance.

Pathophysiology

Verrucous cysts are thought to arise from the epidermis, the outermost layer of the skin. They are filled with keratin, a protein that is a key component of skin, hair, and nails. The verrucous surface is due to the overproduction of keratin, which gives the cyst its characteristic warty appearance.

Clinical Presentation

Patients with verrucous cysts typically present with a solitary, slow-growing nodule on the skin. The surface of the cyst is rough and resembles a wart. These cysts are usually painless but can become irritated or inflamed if subjected to trauma or infection.

Diagnosis

The diagnosis of a verrucous cyst is primarily clinical, based on the appearance of the lesion. However, a biopsy may be performed to confirm the diagnosis and rule out other conditions such as squamous cell carcinoma or verruca vulgaris.

Treatment

Treatment of verrucous cysts is not always necessary unless they cause discomfort or cosmetic concerns. Options for treatment include:

• Surgical excision: Complete removal of the cyst is the most definitive treatment.
• Cryotherapy: Freezing the cyst with liquid nitrogen can be effective in some cases.
• Laser therapy: Lasers can be used to remove the cyst with minimal scarring.

Prognosis

The prognosis for verrucous cysts is excellent, as they are benign and do not typically recur after complete excision. However, if not completely removed, there is a possibility of recurrence.

Related Pages

• Epidermoid cyst
• Sebaceous cyst
• Wart
• Skin lesion