case_images: PMC4772639_01
case_images: Clinical presentation: a 6-cm, well-demarcated plaque with a dusky center, erythematous border and central collapsed bulla.
case_images: cde-0008-0014-g01.jpg
case_images: PMC4772639_01_cde-0008-0014-g01.jpg
case_images: F1
case_images: On physical examination, there was a 6-cm well-circumscribed annular plaque with a dusky center, a central collapsed bulla and an erythematous border on her left lateral thigh a 6 cm (fig. 1).
case_images: Histological examination: keratinocyte necrosis and diffuse lymphocytic inflammatory infiltrate.
case_images: cde-0008-0014-g02.jpg
case_images: PMC4772639_01_cde-0008-0014-g02.jpg
case_images: F2
case_images: Histopathology demonstrated numerous keratinocyte necroses along with a lymphocytic perivascular infiltrate (fig. 2), consistent with the clinical diagnosis of a FDE.