A 28-year-old man presents with a painless, indurated ulcer on the glans penis with a clean base and raised borders. Regional lymph nodes are enlarged, firm, and non-tender. Darkfield microscopy confirms Treponema pallidum. Which is the most common site of primary syphilis in males?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.