What are the risks of temporal artery biopsy (TAB)?

Updated: Sep 10, 2020
  • Author: Mythili Seetharaman, MD; Chief Editor: Herbert S Diamond, MD  more...
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TAB is a safe procedure; however, risks include temporary or permanent damage to the temporal branch of the facial nerve, infection, bleeding, hematoma, skin ulceration, dehiscence, and objectionable scar. Ischemic stroke after TAB occurs in the uncommon situation where the external carotid provides critical collateral circulation to the brain.

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