{"ops":[{"insert":"A 32 year old man presents with a painless oral ulcer for one week.\n\nFurther questioning reveals that he had unprotected orogenital sex with two separate partners during the preceding month.\n\nHe is otherwise well, with an unremarkable medical history.\n"},{"insert":"\n"},{"insert":{"image":"\/storage\/case-images\/pd\/PD-M-024_en.png"}},{"insert":"\n"}]}
2
Investigate
Dark field microscopy
{"ops":[{"insert":"You remember that dark field microscopy of oral lesions is not recommended.\n"}]}
Rapid Plasma Reagin
{"ops":[{"insert":"The Rapid Plasma Reagin test is strongly reactive.\n"}]}
