case_images: PMC6859035_01
case_images: Elevated well-circumscribed lesion which is irregularly shaped, reddish, and focally dark-brown
case_images: PAMJ-34-54-g001.jpg
case_images: PMC6859035_01_PAMJ-34-54-g001.jpg
case_images: f0001
case_images: On physical examination, the lesion was elevated, well-circumscribed, irregularly shaped, reddish, focally dark-brown, measuring 5 cm in maximum diameter (Figure 1).
case_images: Well defined nests of clear-looking or basaloid keratinocytes within an acanthotic epidermis (hematoxylin eosin x 100)
case_images: PAMJ-34-54-g002.jpg
case_images: PMC6859035_01_PAMJ-34-54-g002.jpg
case_images: f0002
case_images: Well defined nests of clear-looking or basaloid keratinocytes were present within the acanthotic epidermis, corresponding to the Borst-Jadassohn phenomenon (Figure 2).
case_images: Artifactual retraction spaces surrounding the clusters of tumor cells (hematoxylin eosin x 400)
case_images: PAMJ-34-54-g003.jpg
case_images: PMC6859035_01_PAMJ-34-54-g003.jpg
case_images: f0003
case_images: The tumor cells were small and monomorphic (Figure 3).