Giant cutaneous squamous cell carcinoma of the popliteal fossa skin: A case report

Figure 1 Before the surgery. A: A huge erythematous nodular ulcerative skin tumor, measuring approximately 15 cm × 20 cm, was located on the left popliteal fossa; B: Computed tomography scan of the popliteal fossa.

Figure 2 After extirpating the tumor, the final surgical defect on the left popliteal fossa measured 25 cm × 15 cm. A: The surgical defect in the left popliteal fossa was 25 cm long; B: The surgical defect in the left popliteal fossa was 15 cm wide; C: As seen on day 4 after reconstruction, the surgical defect on the left popliteal fossa was repaired by full-thickness skin grafting; D: Appearance of the full-thickness skin repair of the left popliteal fossa on day 15 after reconstruction; E: Appearance of the full-thickness skin repair of the left popliteal fossa at the 1-year follow-up.

Figure 3 Photomicrographs of the tumor. A: Scattered squamous cells with dyskeratosis and mitotic infiltrates (H&E staining, 40 × magnification); B: Numerous squamous cells with dyskeratosis and mitotic infiltrates (H&E staining, 100 × magnification); C: Squamous cells in the periphery of the tumor (H&E staining, 400 × magnification).