Evaluation of the extracranial "multifocal arcuate sign," a novel MRI finding for the diagnosis of giant cell arteritis, on STIR and contrast-enhanced T1-weighted images. - Toshitada Hiraka; Yasuhiro Sugai; Yoshihiro Konno; Yuuki Toyoguchi; Yoshie Obata; Shin Ohara; Akiko Shibata; Yusuke Takeda; Koichi Nishitsuka; Kazunobu Ichikawa; Masafumi Watanabe; Yukihiko Sonoda; et al. (BMC Medical Imaging, 2024)