A giant cell is a mass formed by the union of several distinct cells (usually macrophages). It can arise in response to an infection, such as from tuberculosis, herpes, or HIV, or foreign body.
Types include:
- foreign-body giant cell
- Langhans giant cell
- Touton giant cells
- Aschoff Giant Cells (found in Rheumatic heart disease)
- Reed–Sternberg cell
Also
- as in subependymal giant cell astrocytoma
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