case_images: PMC10601618_01
case_images: a Slowly growing solitary, keratotic lesion on the left cheekbone. b Dermoscopy examination showed a central furrow with scar-like areas, a peripheral keratotic ridge, and scattered ectatic vessels.
case_images: cde-2023-0015-0001-530936_F01.jpg
case_images: PMC10601618_01_cde-2023-0015-0001-530936_F01.jpg
case_images: F1
case_images: A 52-year-old Caucasian woman was referred for an 11-month history of a 2-cm slowly growing solitary, keratotic lesion on her left cheekbone (Fig. 1a). Dermoscopy examination showed a central furrow with scar-like areas, a peripheral keratotic ridge, and scattered ectatic vessels (Fig. 1b).
case_images: a The histological examination performed in the border of the lesion showed microscopic features of porokeratosis, with the typical cornoid lamella (Haematoxylin and Eosin, x20). b The histological examination performed in the central part of the lesion showed microscopic features of porokeratosis (Haematoxylin and Eosin, x20).
case_images: cde-2023-0015-0001-530936_F02.jpg
case_images: PMC10601618_01_cde-2023-0015-0001-530936_F02.jpg
case_images: F2
case_images: The superficial dermis showed a mild lymphocytic infiltrate and fibrosis with remodelled collagen bundles (Fig. 2a, b).