Bowen's disease
Bowen’s disease, also known as SCC in situ, is an early stage of squamous cell skin cancer. It presents as a persistent, slowly growing, red and scaly patch on the skin that may be mistaken for benign skin conditions like eczema or psoriasis. The key characteristic of Bowen’s disease is that the cancer cells are confined to the epidermal layer of the skin and have not invaded deeper tissues.
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Key Points
- Bowen's disease, or squamous cell carcinoma (SCC) in situ, is an early form of skin cancer.
- Appears as a red, scaly patch, often mistaken for eczema or psoriasis.
- Confined to the epidermis and has not yet invaded deeper tissues.
- Linked mostly to sun exposure
- Early treatment can prevent progression to invasive SCC.
What is Bowen's disease?
Bowen’s disease is a type of skin cancer that is restricted to the outer layer of the skin. It does not usually pose an immediate threat to health because it has not invaded deeper tissues. However, there is a risk that it may develop into invasive squamous cell carcinoma if left untreated.
- A form of skin cancer confined to the skin's outer layer.
- Does not pose an immediate threat but can progress.
- Risk of developing into invasive SCC if not treated.
Who gets Bowen's disease?
Bowen’s disease is more common in elderly individuals and those with fair skin. It can occur in younger people, particularly if they have had prolonged exposure to the sun or arsenic exposure. Contact Melbourne skin clinic for dermatology services and treatments tailored to your skin care needs.
- Common in elderly and fair-skinned individuals.
- Can occur in younger people with certain risk factors.
- Linked to sun exposure & arsenic exposure.
Clinical features
The lesion of Bowen’s disease usually appears as a well-demarcated, red, scaly patch. It can occur anywhere on the body but is most commonly found on sun-exposed areas such as the head, neck, and lower legs.
- Appears as a well-demarcated, red, scaly patch.
- Commonly found on sun-exposed areas.
Diagnosis and differential diagnosis
Diagnosis is generally made through a skin biopsy. Differential diagnosis includes eczema, psoriasis, superficial basal cell carcinoma, and actinic keratosis.
- Diagnosed via skin biopsy.
- Differential diagnosis includes several other skin conditions.
Impact and complications
The main complication of Bowen’s disease is the potential for it to progress to invasive squamous cell carcinoma. Regular monitoring and treatment are crucial to prevent this progression.
- Main complication is progression to invasive SCC.
- Regular monitoring and treatment are important.
Treatment options for Bowen's disease
The treatment for Bowen’s disease is focused on removing or destroying the lesion to prevent its progression to invasive squamous cell carcinoma (SCC). Surgical excision is employed in some cases, but not always required. Cryotherapy is another method used, which involves freezing the lesion to destroy it. Curettage with cautery, which scrapes away the cancer cells and uses electricity to kill any that are left is commonly employed for Bowen’s disease. Topical treatments can be applied to induce regression of the lesion. Photodynamic therapy is also a common option, where a photosensitising agent is used in conjunction with light exposure to effectively destroy cancer cells. With these treatment approaches, the prognosis for Bowen’s disease is generally good, though close follow-up is essential to monitor for any recurrence or the development of new lesions.
- Treatment aims to prevent progression to invasive SCC.
- Options include surgical removal, cryotherapy, curettage & cautery, topical treatments, and photodynamic therapy.
- Prognosis is generally good with treatment.
- Close follow-up is essential for early detection of recurrence or new lesions.
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