case_images: PMC9121989_01
case_images: The lesion covered with a thick crust (A and B) and ulcer revealed within by removing the crust (C).
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case_images: Upon crust removal, we revealed a deep, irregular ulcer (Figure 1).
case_images: Dermoscopy examination (A) and histopathology examination (B). The dermoscopy, there are a hairpin vessel (black arrow), serpentine vessels (blue arrow), and white structureless area (asterisk).
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case_images: On dermoscopic examination, there were serpentine and hairpin vessels, erosions, and white structureless areas (Figure 2A). The nuclei appear polymorphic, hyperchromatic, and vesicular with clear daughter nuclei (Figure 2B).
case_images: Wide excision and forehead flap. The skin flap was taken from the forehead (A). The skin graft was placed on the forehead to close defect (B).
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case_images: A full-thickness skin graft (FTSG) was carried out for the forehead skin defect and the tissue donor was taken from the abdomen (Figure 3).
case_images: The comparison of the patient before procedure (A), after discharged from inpatient (B), six weeks after procedure (C), and after removal of pedicle (D).
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case_images: The comparison of before procedure, two and six weeks after procedure, and after pedicle removal can be seen in Figure 4.