Atypical Stevens-Johnson syndrome characterized by mucosal ulcerations of the pharynx and larynx: A case report and literature review.

By summarizing and analyzing the diagnostic and treatment process of a case with atypical Stevens-Johnson syndrome (SJS) characterized by mucosal ulcerations of the pharynx and larynx, and reviewing related literature, we would like to remind that in the presence of unexplained mucosal lesions, atypical SJS should not be ignored.