J Cutan Pathol 2017 Dec 21;44(12):1012-1017. Epub 2017 Sep 21.
Department of Dermatology and Cutaneous Surgery, Jackson Memorial Hospital/University of Miami Miller School of Medicine, Miami, Florida.
Background: Skin reactions to the sting of the imported fire ant have characteristic clinicopathological features.
Methods: One case of experimental envenomation was prospectively followed during 48 hours, with biopsies. In addition, 6 cases from our laboratory were retrospectively evaluated histopathologically for the following features: spongiosis, exocytosis (and type of cells), pustule formation, erosion/ulceration, epidermal necrosis, scale/crust, papillary dermal edema, inflammatory dermal infiltrate (cell type, density, depth, distribution, shape), red blood cell extravasation, vasculopathy and vasculitis. Read More