Dr. Pichardo-Geisinger is Associate Professor of Dermatology, Wake Forest Baptist Medical Center, Winston-Salem, North Carolina.
The author reports no conflict of interest.
2. A 37-year-old man presents with dysuria and purulent discharge. What is the appropriate test for diagnosis?
a. dark field microscopy
b. Giemsa staining
c. McCoy culture
d. porphyrin test (hemin [X factor]) culture
e. Thayer-Martin medium
