Treatment ● Excision with pathologic evaluation ● These lesions will sometimes sponta neously regress over a few months to a year. ● On the eyelid, these are always excised with margin evaluation.

Prognosis ● Good

● Depending on the size of the lesion, recon struction of the defect may leave some eyelid changes.


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B FIGURE 3-1. Keratoacanthoma. A. Lesion of the left upper eyelid that grew over 2 to 3 weeks. It was excised without recurrence. B. Large lesion of the left lower eyelid in a 40-year-old patient. The appearance could be that of a squamous cell carcinoma; however, the history of growth over 4 weeks and the patient’s younger age point to a keratoacanthoma. This lesion was excised without recurrence.

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