This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiration, Subject name: Pathology
Schaumann bodies are seen in: 
Select and explain. 
A. Sarcoidosis, B. Chronic bronchitis, C. Asthma, D. Syphilis
A: Sarcoidosis
Answer: A: Sarcoidosis 
Explanation: Ans. (a) Sarcoidosis(Ref: Robbins 9th/pg 693-694)Histology in Sarcoidosis:Well-formed non-caseating granulomas Q composed of an aggregate of tightly clustered epithelioid cells Q, with Langhans or foreign body-type giant cells; Central necrosis is unusual. QSchaumann bodies: laminated concretions composed of calcium and proteins QAsteroid bodies: Stellate inclusions enclosed within giant cells Q