case_images: PMC11832107_01
case_images: Clinical photograph of the skin lesion
case_images: cureus-0017-00000077628-i01.jpg
case_images: PMC11832107_01_cureus-0017-00000077628-i01.jpg
case_images: FIG1
case_images: Clinically, the lesion was 4 x 3 cm in size, hard, painless, and ulcerated and had ill-defined margins (Figure 1), suspicious for a cutaneous malignancy.
case_images: Immunohistochemistry slide showing p63 positivity
case_images: cureus-0017-00000077628-i02.jpg
case_images: PMC11832107_01_cureus-0017-00000077628-i02.jpg
case_images: FIG2
case_images: IHC showed positivity for CK7, CK5/6, and P63 (Figure 2); negative for CK20, P40, and Ki67 5% reported as MATS consistent with SGC.