Mesothelioma Subtypes — RACP Adult Medicine MCQ

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ModerateRespiratoryMesothelioma SubtypesRACP Adult Medicine

A 60-year-old man with asbestosis develops nodular pleural thickening. What histological subtype of mesothelioma has best prognosis?

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Correct answer: B — Epithelioid

Epithelioid (~60%) has best prognosis (median 12–24 months). Sarcomatoid (~10%) has worst (4–7 months).

Reference: Cancer Council Australia – 2020 – Mesothelioma; Safe Work Australia – 2024