case_images: PMC3638567_01
case_images: Large ulcerating lesion on the plantar surface of the calcaneus of the right foot.
case_images: CRIM.ONCMED2013-135307.001.jpg
case_images: PMC3638567_01_CRIM.ONCMED2013-135307.001.jpg
case_images: fig1
case_images: We report the case of a 74-year-old farmer, with a 6-year history of a large ulcerating lesion on the plantar surface of the calcaneus of his right foot (Figure 1).
case_images: Verrucous carcinoma. This biopsy specimen shows well-differentiated neoplastic nests of squamous epithelium extending into the dermis.
case_images: CRIM.ONCMED2013-135307.002.jpg
case_images: PMC3638567_01_CRIM.ONCMED2013-135307.002.jpg
case_images: fig2
case_images: Morphologic picture showed a large deep biopsy occupied by an ulcerated, polypoid mass characterized superficially by hyperkeratosis, parakeratosis, and acanthosis; deeply the tumor invaded with broad strands that often contained keratin-filled cysts in their center (Figure 2).
case_images: CT scan 3D of lower limb.
case_images: CRIM.ONCMED2013-135307.003.jpg
case_images: PMC3638567_01_CRIM.ONCMED2013-135307.003.jpg
case_images: fig3
case_images: The tumour had expanded beneath the bone as confirmed by CT scan (Figure 3).