case_images: PMC2820021_01
case_images: Clinical presentation of innumerable seborrheic keratoses concentrated over the face, neck, back, and chest.
case_images: 1756-8722-3-2-1.jpg
case_images: PMC2820021_01_1756-8722-3-2-1.jpg
case_images: F1
case_images: On admission, dermatologic examination noted florid eruption of innumerable keratotic lesions of the face, neck and thorax, ranging in size from 3 to 15 mm (Figure 1).
case_images: (a) Histopathologic features and (b) immunohistochemical expression of EGFR in specimen from back lesion showing intense membranous staining of EGFR in the basal keratinocytes and throughout the upper epidermal layer.
case_images: 1756-8722-3-2-2.jpg
case_images: PMC2820021_01_1756-8722-3-2-2.jpg
case_images: F2
case_images: Histopathological examination of a surgical skin biopsy confirmed the clinical diagnosis of seborrheic keratosis and was used for EGFR immunohistochemical analysis (Figure 2).