case_images: PMC7501962_01
case_images: Lentigo maligna melanoma on the cheek and several non-melanoma skin cancers (NMSC) on the frontal region and nasal area.
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case_images: PMC7501962_01_CCID-13-677-g0001.jpg
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case_images: The patient first attended with a lentigo maligna melanoma on the left cheek (Figure 1) and had a lifetime history of several non-melanoma skin cancers (NMSC) on the face (frontal region, malar, supraciliary, submandibular, preauricular, among others).
case_images: Keratoacanthoma. A solitary and well-circumscribed, erythematous dome-shaped nodule with central crateriform keratin plug over the submandibular area.
case_images: CCID-13-677-g0002.jpg
case_images: PMC7501962_01_CCID-13-677-g0002.jpg
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case_images: By 2014, she had undergone surgical treatment for 18 facial and neck tumors, 17 basal cell carcinomas (BCC) and one keratoacanthoma, prompting a search for measures to prevent tumor formation in this area (Figure 2).