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(a) Solitary hyperkeratotic walnut-sized mild actinic keratosis on the left temple before treatment. (b) Complete lesion remission 24 weeks after single treatment (yellow arrow). (c) Solitary hyperkeratotic erythematous bean-sized mild actinic keratosis on the left temple before treatment. (d) Complete lesion remission 24 weeks after single treatment (red arrow).
