Skip to main content

Superficial Radiation Therapy (SRT) for Skin Cancer

Superficial Radiation Therapy (SRT) is a specialized form of radiation treatment designed to target superficial skin cancers, such as basal cell carcinoma and squamous cell carcinoma. This non-invasive approach utilizes a focused electron beam to eradicate cancer cells while minimizing exposure to the underlying healthy tissues. Unlike traditional radiation therapies that penetrate deeper into the body, SRT delivers energy primarily to the skin’s surface, making it particularly effective for tumors located near or on the skin.

How Superficial Radiation Therapy Works

SRT is administered using a medical linear accelerator, a device that generates high-energy electrons. These electrons are directed precisely at the cancerous area, allowing for targeted treatment. The depth of penetration is controlled by adjusting the energy level of the electron beam, ensuring that the radiation dose is concentrated on the tumor with minimal impact on deeper tissues.

Advantages of Superficial Radiation Therapy

  • Non-Invasive Treatment: SRT does not require surgical incisions, reducing the risk of infection and eliminating surgical scars.
  • Precision Targeting: The therapy focuses radiation on the tumor, sparing surrounding healthy tissues and organs.
  • Painless Procedure: Patients typically experience no pain during the treatment sessions.
  • Minimal Recovery Time: As a non-surgical option, SRT allows for quicker recovery compared to traditional surgical methods.

Since electrons release most of their energy near the skin, the dose of radiation to deeper tissues is minimal.

Common Side Effects

While SRT is generally well-tolerated, some patients may experience side effects, primarily involving the skin:

  • Skin Irritation: Treated areas may become red, dry, or darker in color, resembling a sunburn. These symptoms usually appear toward the end of the treatment course and improve within a few weeks after completion.

Post-Treatment Care Recommendations

To manage and mitigate side effects, consider the following:

  • Skin Care: Use gentle, fragrance-free soaps and lotions. Avoid applying bandages to the treated area unless advised by your healthcare provider.
  • Sun Protection: Limit sun exposure by wearing protective clothing and applying broad-spectrum sunscreen with a high SPF when outdoors.
  • Avoid Irritants: Refrain from shaving, scratching, or applying harsh products to the treated skin.

Is Superficial Radiation Therapy Right for You?

SRT is particularly suitable for patients with skin cancers located on or near the surface, including areas such as the nose, ears, and other facial regions. Its ability to deliver targeted radiation makes it an effective alternative to surgery, especially for individuals seeking a non-invasive treatment option.

Consulting with a radiation oncologist can help determine if SRT is the appropriate treatment for your specific condition. They can provide personalized information based on your medical history and the characteristics of your cancer.