Skin Lesions: Are They Signs of Skin Cancer?

Hemorrhoids

Hello doctor, I would like to ask you something.
I originally had a mole on my right hand (which I think was caused by sun exposure), but one hot day, I went out wearing a short-sleeved shirt, and after being in the sun, a new black spot appeared not far from the original mole on my right hand.
Could this be a symptom of skin changes, or is it closer to the development of skin cancer? If skin cancer is diagnosed but has not yet invaded the subcutaneous tissue, is it possible to perform a skin graft? Please provide a detailed response.
Thank you.

2001, 20~29 year old female. Ask Date: 2001/07/08

Dr. Liao Wenyu reply Dermatology

Please visit the outpatient clinic for an evaluation of the actual condition of the lesion.

Reply Date: 2001/07/08

More Info

When it comes to understanding skin lesions and their potential implications for skin cancer, it is essential to approach the situation with caution and a clear understanding of the signs and symptoms associated with skin malignancies. Skin lesions can take many forms, including moles, spots, and other types of growths, and not all of them are indicative of skin cancer. However, certain characteristics can raise concerns and warrant further investigation.

In your case, you mentioned having a mole on your right hand that you suspect may have developed due to sun exposure. The appearance of a new black spot near the existing mole, especially after sun exposure, raises some questions. While it is not uncommon for moles to change or for new ones to appear, any significant changes in size, shape, color, or texture should be evaluated by a healthcare professional. The "ABCDE" rule is a helpful guideline for assessing moles and skin lesions:
1. Asymmetry: One half of the mole does not match the other.

2. Border: The edges are irregular, ragged, or blurred.

3. Color: The color is not uniform and may include shades of brown, black, or even red, white, or blue.

4. Diameter: The mole is larger than 6mm (about the size of a pencil eraser).

5. Evolving: The mole is changing in size, shape, or color.

If your new lesion exhibits any of these characteristics, it is advisable to consult a dermatologist for a thorough examination. They may recommend a biopsy to determine whether the lesion is benign or malignant.

Regarding your question about skin cancer and surgical options, if a diagnosis of skin cancer is confirmed, the treatment plan will depend on several factors, including the type of skin cancer, its stage, and whether it has invaded deeper tissues. Non-invasive skin cancers, such as basal cell carcinoma or squamous cell carcinoma, may be treated effectively with surgical excision, Mohs micrographic surgery, or other modalities like cryotherapy or topical chemotherapy.

In cases where the cancer has not invaded the underlying tissues, skin grafting may be an option after excision. Skin grafting involves taking healthy skin from another part of the body and transplanting it to the area where the cancerous tissue was removed. This procedure can help restore the appearance and function of the skin.

It is crucial to address any concerns about skin lesions promptly. Early detection and treatment of skin cancer significantly improve outcomes. If you have any doubts or if the lesion changes, do not hesitate to seek medical advice. Regular skin checks, especially if you have a history of sun exposure or skin cancer in your family, are essential for maintaining skin health.

In summary, while not all skin lesions are cancerous, it is vital to monitor any changes closely and consult a healthcare professional for an accurate diagnosis and appropriate management. Early intervention can make a significant difference in treatment success and overall prognosis.

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