case_images: PMC10986874_01
case_images: (a) A well-defined verrucous exophytic mass on the posterior aspect of the thigh. (b) A single well-defined verrucous exophytic mass on a hyperpigmented plaque
case_images: IJD-69-89-g001.jpg
case_images: PMC10986874_01_IJD-69-89-g001.jpg
case_images: ijd_735_23-f001
case_images: Clinical examination revealed a solitary, well-defined, nontender exophytic verrucous growth over a hyperpigmented plaque [Figure 1a and b].
case_images: (a) Photomicrograph showing stuck-on lesion composed of small pigmented cells with the presence of pseudohorn (Haematoxylin and Eosin, x40). (b) Focal areas of the same lesion showing infiltration by broad fronds of well-differentiated squamous cells with dense inflammation in subepithelium (arrow) (Haematoxylin and Eosin, x40). (c) Photomicrograph showing papillomatosis with papillae lined by polygonal squamous cells, tiny focus of seborrheic keratosis with basaloid small cells also identified (arrow) (Haematoxylin and Eosin, x40)
case_images: IJD-69-89-g002.jpg
case_images: PMC10986874_01_IJD-69-89-g002.jpg
case_images: ijd_735_23-f002
case_images: The underlying dermis showed mononuclear cell infiltrate [Figure 2a-c].