Does giant cell arteritis (GCA) cause jaw claudication?

Updated: Sep 03, 2020
  • Author: Mythili Seetharaman, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

Jaw claudication is noted as fatigue or discomfort of the jaw muscles during chewing of firm foods such as meat, chewing gum, or prolonged speaking. Jaw claudication is highlly predictive of temporal arteritis, and it is a result of ischemia of the maxillary artery supplying the masseter muscles. Tongue infarction is almost pathognomonic for GCA. [59]


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