case_images: PMC3758711_01
case_images: Epidermis showing acanthosis, horn cysts and abundant melanin pigment and underlying cartilage (H and E, x20)
case_images: JLP-5-63-g001.jpg
case_images: PMC3758711_01_JLP-5-63-g001.jpg
case_images: F1
case_images: The dermis was unremarkable and a piece of cartilage of the concha was seen beneath it [Figures 1 and 2].
case_images: Acanthotic epidermis with abundant melanin pigment (H and E, x40)
case_images: JLP-5-63-g002.jpg
case_images: PMC3758711_01_JLP-5-63-g002.jpg
case_images: F2
case_images: The dermis was unremarkable and a piece of cartilage of the concha was seen beneath it [Figures 1 and 2].
case_images: PMC3758711_02