case_images: PMC8186998_01
case_images: (A and B) Fungating mass of approximately 15x15 cm noted at the left heel appreciated via lateral view (A) and inferior view (B).
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case_images: The wound bed was extremely hypergranular (Figure 1A and B), with sparsely fibrotic and necrotic areas.
case_images: (A and B) Foot X-ray in anteroposterior view (A) and oblique view (B) showing lesion in the lateral posterior calcaneus with surrounding large irregular soft tissue radiopacity/mass. There was no bone resorption that may suggest osteomyelitis.
case_images: IMCRJ-14-381-g0002.jpg
case_images: PMC8186998_01_IMCRJ-14-381-g0002.jpg
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case_images: Left foot x-ray revealed a lytic lesion in the lateral posterior calcaneus (Figure 2).
case_images: Photomicrograph of histopathologic specimen at low power reveals infiltration of tumor into deep dermis (A) and at high power (B) shows infiltrating islands of well-differentiated neoplasm and squamous epithelium within dermis.
case_images: IMCRJ-14-381-g0003.jpg
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case_images: Final pathology report identified it as invasive keratinizing squamous cell carcinoma, well-differentiated (Figure 3).