case_images: PMC11717122_01
case_images: PEH lesions. Abdominal scar accompanied by lumps and purulent discharge (a). Follow-up photos taken at 1 week, 1 month, and 1.5 months postsurgery (b, c, d).
case_images: rjae838f1.jpg
case_images: PMC11717122_01_rjae838f1.jpg
case_images: f1
case_images: A biopsy was performed at the external hospital, indicating SCC (Fig. 1a). At follow-up 1.5 months later, the wound had healed well, with no new lumps or ulcers observed (Fig. 1b-d).
case_images: Histopathological examination, Histopathological analysis with hematoxylin-eosin staining (x80) revealed epidermal necrosis and PEH (a). Histopathological analysis with hematoxylin-eosin staining (x400) demonstrated inflammatory cell infiltration without cytological atypia (b).
case_images: rjae838f2.jpg
case_images: PMC11717122_01_rjae838f2.jpg
case_images: f2
case_images: There was no evidence of heteroplasia, but the dermis exhibited marked infiltration of inflammatory cells, predominantly neutrophils (Fig. 2a and b).