Persistent Oral Tenderness

image showing erythamatous palatal mucosa
The following Case Challenge is provided in conjunction with the American Academy of Oral and Maxillofacial Pathology.

This case challenge presents a patient with erythematous palatal mucosa.

An 81-year old male presents with a chief complaint of oral soreness, primarily involving the tongue and denture-bearing mucosa. Symptoms have been present for approximately two months and have not been relieved by denture adjustments.

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