12-21-2008, 08:25 PM
A 43-year-old male presents to a physician with an ulcer on the shaft of his penis. The ulcer is non-tender, with a raised border, and a smooth base. There is bilateral inguinal adenopathy. The rest of the examination is unremarkable. Dark field microscopy of the ulcer reveals spirochetes. Which of the following screening studies should be performed on this patient?
A. VDRL
B. FTA-ABS
C. HIV antibodies by ELISA
D. Proctosigmiodoscopy
E. Serum prostate specific antigen