HIV and Oral Disease — MFDS Part 1 MCQ

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HardHuman DiseaseHIV and Oral DiseaseMFDS Part 1

During multidisciplinary review of a patient living with HIV, the following confirmed diagnoses are recorded. Which diagnosis is itself classified in current UK guidance as a potentially AIDS-defining condition, rather than solely as an HIV-associated oral indicator lesion?

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Correct answer: A — Oesophageal candidiasis

Oesophageal candidiasis is the correct answer. NICE includes candidiasis involving the oesophagus among potentially AIDS-defining fungal conditions. This must be distinguished from uncomplicated oropharyngeal candidiasis and other oral lesions that may indicate HIV-associated immunosuppression but do not themselves define AIDS. Oral hairy leukoplakia, recurrent aphthous stomatitis and necrotising ulcerative periodontitis are recognised HIV-associated oral conditions, but none is AIDS-defining. Ordinary recurrent herpes labialis that heals promptly is also not defining; the relevant AIDS-defining herpes simplex presentation is persistent mucocutaneous ulceration or specified visceral disease, not a typical short-lived labial recurrence. The decisive distinction is therefore the anatomical extension of candidiasis into the oesophagus.

Reference: National Institute for Health and Care Excellence. HIV testing: encouraging uptake, Quality Standard QS157, Quality statement 3: HIV indicator conditions. 2017; linked guideline updated 2025. https://www.nice.org.uk/guidance/qs157/chapter/quality-statement-3-hiv-indicator-conditions