How many radiation therapy sessions are generally required for keloids?

Jan 25, 2025 Source: Cainiu Health

Dr. Liu Wenmin

Introduction

In general, scars refer to cicatrix, and keloids require 5–20 sessions of radiotherapy. Keloids are abnormal proliferations of skin fibrous tissue, and radiotherapy mainly utilizes radiation to inhibit the excessive growth of fibrous tissue. The specific number of radiotherapy sessions depends on multiple factors. Larger keloids may require more sessions of radiotherapy to ensure the radiation evenly covers the entire affected area.

Generally speaking, a scar refers to a keloid, which usually requires 5 to 20 radiotherapy sessions. Detailed analysis is as follows:

Keloids are abnormal proliferations of skin fibrous tissue. Radiotherapy mainly uses radiation to inhibit the excessive growth of fibrous tissue. The specific number of radiotherapy sessions depends on multiple factors. Larger keloids may require more sessions of radiotherapy to ensure even coverage of the entire affected area, possibly reaching around 20 sessions. This is necessary to effectively inhibit fibroblast proliferation. However, smaller keloids may require fewer sessions, perhaps only about five.

Individual responses to radiotherapy also vary. Some patients may achieve effective suppression of keloid growth after fewer sessions, while others may require more sessions to achieve the desired therapeutic effect.

In daily life, it is important to avoid unnecessary skin trauma. When engaging in activities that may cause skin damage, such as shaving or ear piercing, one should operate carefully to prevent skin injuries that could lead to abnormal scarring.

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Is surgical excision of a keloid scar a good option?

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Can hypertrophic scars heal on their own?

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Can surgery remove a keloid scar?

Whether a keloid can be surgically removed depends on its size and severity. Mild and small keloids can usually be surgically excised. However, severe, large keloids or those involving the dermis may not be completely removable through surgery, and they are prone to recurrence and functional impairment, increasing the risk of bleeding.

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Can laser treatment flatten a raised scar?

In general, a raised scar refers to a keloid, and "flattening" refers to repair. Whether a keloid can be repaired using laser treatment depends on the specific circumstances. If the keloid is small and superficial, it can usually be repaired; however, if the keloid is large and deep, repair may not be possible. In daily life, injuries should be avoided to prevent scars or scar proliferation.

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Can keloids be treated?

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