Pathology: Are Giant cell arteritis (GCA; also known as temporal arteritis) and Polymyalgia Rheumatica related? If so, what are the two differences in what is affected?

Question

Are Giant cell arteritis (GCA; also known as temporal arteritis) and Polymyalgia Rheumatica related? If so, what are the two differences in what is affected?

Alexandra Jessie Wilson · Accepted Answer

Yes.

In PR, it is proximal muscles of the limbs and neck that are affected. In GCA, it's generally temporal muscles that are affected.

Pathology

Are Giant cell arteritis (GCA; also known as temporal arteritis) and Polymyalgia Rheumatica related? If so, what are the two differences in what is affected?

Yes. In PR, it is proximal muscles of the limbs and neck that are affected. In GCA, it's generally temporal muscles that are affected.

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