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Mohs surgery for periocular basal cell carcinomas.
The Journal of Dermatologic Surgery and Oncology
|December 1, 1985
Summary
Mohs surgery offers high cure rates for periocular basal cell carcinomas. However, medial canthal lesions, especially those previously treated with radiation, show higher recurrence rates, indicating a need for careful management.
Area of Science:
- Dermatology
- Surgical Oncology
Background:
- Basal cell carcinoma (BCC) is the most common type of skin cancer.
- Periocular BCC presents unique challenges due to anatomical complexity and proximity to vital structures.
Purpose of the Study:
- To evaluate the efficacy of Mohs surgery for periocular basal cell carcinomas.
- To identify risk factors for recurrence in treated periocular BCCs.
Main Methods:
- Retrospective analysis of 631 periocular basal cell carcinoma cases treated with Mohs surgery.
- Comparison of cure rates and recurrence patterns based on lesion location and prior treatment history.
Main Results:
- Overall cure rates were 98.1% for primary and 93.6% for previously treated lesions.
- Recurrence rates were significantly higher for medial canthal lesions (9.5%) compared to other periocular sites (4.5%) in previously treated cases.
- Medial canthal lesions previously treated with radiation had a threefold increased risk of recurrence.
Conclusions:
- Mohs surgery is highly effective for primary periocular basal cell carcinomas, including those in the medial canthus.
- Previous radiation therapy is a significant risk factor for recurrence in medial canthal BCCs treated with Mohs surgery.
- Careful consideration of treatment history is crucial for managing periocular basal cell carcinomas, particularly in the medial canthus.