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Canker sore-or something else?

Poll

A 17-year-old woman presents with a gradually increasing, asymptomatic “sore” on her lower lip. What’s your impression?

A 17-year-old woman presents with a gradually increasing, asymptomatic “sore” on her lower lip.

What’s your impression?

Aphthous stomatitis
Primary syphilis
Behçet's disease
Intra-oral herpes simplex
None of the above
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