Teuton giant cells are seen in:
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.
Sarcoidosis
Tuberculosis
Foreign body granuloma
Xanthoma