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Case Reports
Histopathology of an adverse reaction to a eutectic mixture of the local anesthetics lidocaine and prilocaine.
- D M Hoss, E G Gross, and J M Grant-Kels.
- Department of Dermatology, University of Connecticut Health Center, Farmington 06032, USA.
- J. Cutan. Pathol. 1999 Feb 1;26(2):100-4.
AbstractA unique histopathologic reaction to the topical application of a eutectic mixture of the local anesthetics lidocaine and prilocaine (EMLA), used for topical anesthesia prior to biopsy in two children is described. Standard application of EMLA cream under occlusion for 1 h was given to both patients. The biopsies in both cases demonstrate focal vacuolization of the upper spinous and granular layers. The epidermis was focally separated from the dermis in areas of basal vacuolar alteration. Electron microscopy performed in one case demonstrated the dermal-epidermal cleft to be secondary to alteration of the basal cells with condensation of the cytoplasm and cytologic degeneration similar to that seen in epidermolysis bullosa simplex.
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