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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All are true about silicosis except?
assistant
The correct answer is  Ans. (c) Lower lobe is ussualy involved(Ref: Robbins 9th/pg 689; 8th/pg 687)Silicosis involves upper lobe more commonly than lower lobe. Examination of the nodules by polarized microscopy reveals the birefringent silicate particles (silica is weakly birefringent).