Histopathologic Features of Maculopapular Drug Eruption.
Madison K ErnstAlessio GiubellinoPublished in: Dermatopathology (Basel, Switzerland) (2022)
Histopathologic criteria for the diagnosis of MDE, while not entirely specific, may aid in establishing a differential that includes a drug eruption. Thus, a biopsy can be a helpful diagnostic tool when MDE is suspected by demonstrating findings suggestive of MDE or by ruling out clinical mimics. However, biopsy results cannot be used in isolation as clinical-pathologic correlation is paramount in MDE.