This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Teuton giant cells are seen in: 
Select and explain. 
A. Sarcoidosis, B. Tuberculosis, C. Foreign body granuloma, D. Xanthoma
D: Xanthoma
Answer: D: Xanthoma 
Explanation: Touton giant cells

These giant cells are seen in lesions with high lipid content such as fat necrosis, xanthoma, and xanthogranulomas.
They are also found in dermatofibroma.
They are formed by the fusion of epithelioid cells (macrophages) and contain a ring of nuclei surrounded by a foamy cytoplasm.