case_images: PMC7576341_01
case_images: This photograph shows the ulcer located on the plantar surface of the right heel measuring 1 x 1.5 cm. The edges of the ulcer were raised, and the base was necrotic and bled easily on contact.
case_images: CRIPA2020-3083195.001.jpg
case_images: PMC7576341_01_CRIPA2020-3083195.001.jpg
case_images: fig1
case_images: By September 2019, multiple dark spots were noted in the ulcer margin (Figure 1).
case_images: A section of the dermis from the right heel showing fascicles of focally pigmented spindle cells (H&E x200).
case_images: CRIPA2020-3083195.002.jpg
case_images: PMC7576341_01_CRIPA2020-3083195.002.jpg
case_images: fig2
case_images: Mitotic figures were not identified, but nests of nevus cells were noted adjacent to the lesion (Figure 2).
case_images: Pan melanoma markers of the right heel biopsy.
case_images: CRIPA2020-3083195.003.jpg
case_images: PMC7576341_01_CRIPA2020-3083195.003.jpg
case_images: fig3
case_images: SOX10 immunohistochemical staining of the right heel biopsy showing strong nuclear staining.
case_images: CRIPA2020-3083195.004.jpg
case_images: PMC7576341_01_CRIPA2020-3083195.004.jpg
case_images: fig4