Abnormal superficial temporal artery morphology Temporal artery giant cells 2024-03-29T17:23:48Z The presence of giant cells in the temporal artery. This is a feature of giant cell arteritis. Giant cells are multinucleated cells formed by fusion of multiple macrophages and are typically located in the intima of the arterial wall. This feature is typically demonstrated by temporal artery biopsy but other arteries may also be affected. See Figure 1 of PMID:37787225.