the Risk of Scar Cancer from Hypertrophic Scars

The issue of scar cancer?

Hello Doctor: I have a hypertrophic scar on my chest.
Could you please tell me if there is a chance that this type of scar could develop into scar cancer?

Xiao Wang, 20~29 year old female. Ask Date: 2015/12/17

Dr. Wu Yuxin reply Dermatology

Not high, unless there is the occurrence of recurrent ulcers.

Reply Date: 2015/12/17

More Info

Hypertrophic scars are raised scars that develop due to an overproduction of collagen during the healing process. They are often the result of surgery, injury, or burns and can be itchy or uncomfortable. While hypertrophic scars can be bothersome, the risk of them transforming into scar cancer, or more formally known as "scar carcinoma," is generally considered to be very low.

To understand the relationship between hypertrophic scars and cancer, it's important to differentiate between hypertrophic scars and keloids. Keloids are a type of raised scar that extends beyond the original wound site and can be more aggressive in nature. Both hypertrophic scars and keloids are benign, meaning they are not cancerous. However, there have been rare cases reported in the medical literature where keloids have undergone malignant transformation, but this is exceedingly uncommon.

The primary concern with hypertrophic scars is not cancer but rather their potential for discomfort and cosmetic issues. They can sometimes become itchy, painful, or restrictive, depending on their location and size. Treatment options for hypertrophic scars include silicone gel sheets, pressure therapy, corticosteroid injections, and in some cases, surgical revision.

Regarding the specific concern about hypertrophic scars leading to cancer, the consensus in the medical community is that while any scar can theoretically undergo changes, the likelihood of a hypertrophic scar becoming malignant is extremely rare. Factors that may increase the risk of skin cancer include prolonged sun exposure, a history of skin cancer, and certain genetic predispositions, rather than the presence of a hypertrophic scar itself.

If you have a hypertrophic scar that is changing in appearance, becoming painful, or exhibiting other concerning symptoms, it is essential to consult with a healthcare professional or a dermatologist. They can evaluate the scar and determine if any further investigation or treatment is necessary. Regular monitoring of any scar, especially if it has a history of trauma or surgery, is a good practice.

In summary, while hypertrophic scars can be a source of discomfort and cosmetic concern, the risk of them developing into scar cancer is very low. Maintaining good skin care, protecting the scar from sun exposure, and consulting with a healthcare provider for any changes are the best approaches to managing hypertrophic scars.

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