Giant cell (temporal) arteritis and polymyalgia rheumatica are related
conditions that primarily affect older persons. They are among the mo
st common chronic inflammatory disorders in this age group. In recent
years, several new insights have been gained about the clinical featur
es of these illnesses as well as their underlying pathophysiology. In
addition, a great deal of study is underway to find better ways of det
ecting, monitoring, and treating them. This article provides a general
review of these conditions, including their diagnosis and treatment.