Oral Pathology: Common Lesions · CDA

A patient presents with small, painful ulcers with a yellow center and red halo. What is the most likely diagnosis?

  1. Oral herpes
  2. Aphthous ulcers
  3. Geographic tongue
  4. Lichen planus
Show answer and explanation

Correct answer: Aphthous ulcers

Aphthous ulcers, or canker sores, are painful shallow ulcers with a yellow base. They are not caused by viruses and occur on non-keratinized mucosa.

Difficulty: Medium Question 7 of 20

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