There are microscopic differences in the two aging processes as well. In chronologically aged skin, the epidermis is atrophic, with flattening of the dermal-epidermal junction and loss of rete pegs ...
A biopsy of one of the papules revealed vacuolar change at the dermal-epidermal junction, follicular plugging, and hyperkeratosis. The girl was diagnosed with discoid lupus erythematosus (DLE) ...
Immunofluorescence labeling of healthy and psoriatic patient skin. Dotted line shows the dermal–epidermal junction. HLA-DR: green, GLUT3 (SLC2A3): red, and DAPI: blue. Scale bar = 100 μm (low ...