case_images: PMC11404493_01
case_images: (A) The right buccal mucosa had multiple, irregular papules of varying sizes, accompanied by areas of erythema. (B) The soft palate had painful areas of erythema. (C and D) The right buccal mucosa and soft palate were healed.
case_images: JAA-17-863-g0001.jpg
case_images: PMC11404493_01_JAA-17-863-g0001.jpg
case_images: f0001
case_images: The extraoral examinations found no abnormalities, while from the intraoral examination, there were multiple papules with varying sizes, and irregular and diffuse borders, accompanied by areas of erythema in the right buccal mucosa (region 43-47) and soft palate (Figure 1A and B). After 11 days of outpatient treatment, the ulcers on the buccal mucosa and soft palate were completely resolved following the second visit (Figure 1C and D).