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Silicosis — DOccMed MCQ

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HardOccupational Lung DiseaseSilicosisDOccMed

A 49-year-old stone worktop finisher has progressive exertional dyspnoea after dry-cutting engineered stone for nine years. Chest X-ray shows upper-zone nodularity and HRCT shows small rounded opacities with early conglomeration; TB tests are negative. What is the most likely occupational diagnosis?

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Correct answer: B — Accelerated silicosis from respirable crystalline silica

Engineered stone dry-cutting can generate high respirable crystalline silica exposure. Upper-zone nodularity and early conglomeration after several years are compatible with accelerated silicosis. Asbestosis typically causes lower-zone fibrosis and pleural plaques. Sarcoidosis remains a differential but the exposure history makes silicosis the occupational diagnosis to prioritise.

Reference: HSE Silica guidance; HSE COSHH Regulations