This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pathology
[{'content': 'Laminated concretions of calcium and proteins are \nSelect and explain. \nA. Schaumann bodies, B. Ferruginous bodies, C. Asteroid bodies, D. Gamma gandy bodies', 'role': 'user'}, {'content': 'Answer: A \nExplanation: *Schaumann bodies : Laminated concretions of calcium and proteins in giant cells. Seen in *sarcoidosis*Asteroid bodies : Stellate inclusions seen in giant cells which is composed of microfilaments, *microtubules and centrioles. Seen in sarcoidosis.*Asbestos bodies : Shish cabab appearance of asbestos fibre with ferritin in macrophages. Seen in *asbestosis.*Ferruginous bodies - Linear arrays of ferritin without asbestos fibres in macrophages. Seen in asbestosis.*Gamna gandy bodies - Siderosclerotic bodies seen in chronic venous congestion of spleen( Ref: Robbins 8/e p700-703)', 'role': 'assistant'}]