What is giant cell arteritis (GCA)?
GCA is one of a group of conditions called vasculitis. The word vasculitis means inflammation of the blood vessels. GCA particularly affects the arteries in the head and neck.
Giant cell (temporal) arteritis
![Giant cell (temporal) arteritis icon](https://www.esht.nhs.uk/wp-content/themes/esht2017/img/file-icon-32.png)
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What is giant cell arteritis (GCA)?
GCA is one of a group of conditions called vasculitis. The word vasculitis means inflammation of the blood vessels. GCA particularly affects the arteries in the head and neck.