[Updated on Apr. 18] Integration of CiNii Articles into CiNii Research

Giant cell arteritis

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Other Title
  • 巨細胞性動脈炎

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  Giant cell arteritis (GCA) is a granulomatous arteritis and it occurs older (more than 50 years) individuals. As GCA frequently involves temporal artery, this disease had been called as temporal arteritis. However, except for the temporal artery, GCA affects branches of the carotid arteries, as well as aorta and its major branches preferentially. Thus, this arteritis is collectively called as GCA from the characteristic histological findings. We systematically introduce the clinical pictures of GCA in the first half of this article. Because affected arteries of GCA are different in each patient, some patients do not present with classical clinical features, such as headache and tenderness of temporal artery. Recently, there are several variant forms of GCA have been recognized. Certain subtypes demonstrate organ dysfunction, such as visual loss or peripheral neuropathy with minimal or absent classical and systemic manifestations. This form of GCA is referred to as occult GCA. On the other hand, other form of GCA presents with a systemic inflammatory syndrome in the absence of focal ischemic symptoms. This is referred to as silent or masked GCA. In the latter half of this article, we introduce two patients presenting with such atypical presentations. One could be diagnosed as occult GCA, and the other was diagnosed as silent GCA with large vessel type. GCA is a heterogenous disease with more than a single clinical picture. This article can provide considerations of the wide spectrum of presentation of this characteristic systemic arteritis.<br>


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