Erythematous Burning Lips

Erythematous Burning Lips
The following Case Challenge is provided in conjunction with the American Academy of Oral and Maxillofacial Pathology.

A 33-year-old female presented with swollen, erythematous, burning lips. The patient reported her symptoms began four weeks prior to clinical examination and had fluctuated in severity during this time period.

After you have finished reviewing the available diagnostic information, make the diagnosis.