Managing keloid recurrence after excision remains a significant clinical challenge, especially within the diverse patient populations in India. Recently, research has highlighted how anatomical locations like the ear (auricular) differ significantly from other body sites (nonauricular) regarding healing outcomes. Specifically, this retrospective cohort study compared the results of patients receiving surgical excision alone versus those treated with excision and adjuvant radiation therapy.

Risk Factors for Keloid Recurrence After Excision

Clinical data reveals that auricular keloids typically occur in younger patients and usually present with smaller dimensions. In contrast, nonauricular keloids, such as those found on the chest, shoulders, or limbs, tend to be larger and more resistant to standard therapy. Therefore, understanding these regional distinctions is crucial for selecting the most effective treatment protocol. Specifically, the research found that auricular sites have a much lower rate of keloid recurrence after excision when compared to trunk or limb sites.

Furthermore, the addition of adjuvant radiation therapy markedly improves success rates for these stubborn lesions. While auricular keloids showed a recurrence rate of only 5.0%, nonauricular sites had a significantly higher recurrence rate of 15.7%. Consequently, clinicians should consider radiation as a primary adjunct for high-risk anatomical zones. Although side effects like hyperpigmentation can occur, they are generally manageable with targeted topical treatments.

Improving Outcomes with Multimodal Therapy

Multimodal approaches, including the intraoperative injection of 5-Fluorouracil and steroids, further enhance the surgical result. Additionally, the research suggests that lower skin tension in the earlobe may contribute to its superior response to radiation. Thus, doctors must tailor their management strategies based on the specific anatomical location and the patient's individual risk profile. Regular follow-up remains essential to identify early signs of regrowth and initiate secondary interventions promptly.

Does the location of a keloid affect its treatment success?

Yes, auricular keloids generally demonstrate a higher success rate and lower recurrence compared to nonauricular sites like the chest or back, largely due to differences in skin tension.

Is radiation therapy necessary after keloid surgery?

Adjuvant radiation therapy significantly reduces the risk of recurrence. For instance, the study showed recurrence dropped to 5% in auricular cases and 15.7% in nonauricular cases when radiation was used.

What are the common side effects of radiation for keloids?

The most frequent side effect is hyperpigmentation at the treatment site. However, these changes are often temporary and can be managed with standard dermatological care.

Disclaimer: This content is for informational and educational purposes only and does not constitute medical advice. Always seek the advice of a qualified healthcare provider with any questions regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.

References

1. Kumar SIS et al. Regional Differences in Postexcision Outcomes of Keloids: A Focus on Auricular Versus Nonauricular Sites. Ann Plast Surg. 2026 May 25. doi: 10.1097/SAP.0000000000004775. PMID: 42184131.

2. Gupta S, Sharma VK. Standard guidelines of care: Keloids and hypertrophic scars. Indian J Dermatol Venereol Leprol 2011;77:94-100.

3. Ogawa R. The most current algorithms for the treatment and prevention of hypertrophic scars and keloids. Plast Reconstr Surg. 2010;125(2):557-68.

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