Aphthous Stomatitis

Overview
  • Aphthous Stomatitis is a specialized etiology of stomatitis or ulceration of the oral mucosa. The etiology is unknown but disease can be triggered by stress or reactivation of Inflammatory Bowel Disease.
Morphology
  • Aphthous ulcers appear on the oral mucosa typically as round, sharply marginated but shallow lesions less than 5mm in diameter with a gray base and red rim.
Clinical Consequences
  • Aphthous ulcers can occur frequently but usually resolve in a few weeks. Beyond uclers being painful and causing discomfort, patients are otherwise healthy.
Incidence
  • Tends to occur in younger individuals, those less than 20 years of age.