Contributor: Dr. Jason Peterson

74-year-old female

  • Presents with a lesion of the upper left attached gingiva and papilla buccal to teeth #13-14.
  • The patient has had lesions off and on for approximately 8 months.
  • Does respond poorly to Decadron elixir.
  • Generalized erythema with slight leukoplakia mainly posterior to the buccal gingiva.
Differential diagnosis should include: (choose 3 answers)

Next course of action:

Histology of the lesion is as shown, most likely diagnosis is: