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STI testing samples MSM — DFSRH MCQ

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HardSTI diagnosis and managementSTI testing samples MSMDFSRH

An asymptomatic man who has sex with men reports receptive anal and oral sex plus insertive sex. Which screening set best matches the exposure history?

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Correct answer: D — Use exposure-site NAATs plus HIV and syphilis serology

The best answer is “Use exposure-site NAATs plus HIV and syphilis serology”. STI testing is anatomical-site directed: urine or urethral, rectal and pharyngeal samples are needed for the reported exposures because extragenital infection is often asymptomatic. HIV and syphilis serology are also offered. A single-site screen can miss infection even when the patient has no symptoms.

Reference: BASHH, Summary Guidance on Testing for Sexually Transmitted Infections (May 2023): https://www.bashh.org/resources/40/guidelines_guidance_on_sti_testing_2021_and_2023/