Orbital apex schwannoma with a high titer of proteinase 3 antineutrophil cytoplasmic antibody

Autor: Tatsushi Oura, MD, Taro Shimono, MD, PhD, Maciej Pas, MD, PhD, Hirotaka Takita, MD, Daisuke Horiuchi, MD, Yasuhito Mitsuyama, MD, Yukio Miki, MD, PhD
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Radiology Case Reports, Vol 17, Iss 4, Pp 1120-1123 (2022)
Druh dokumentu: article
ISSN: 1930-0433
DOI: 10.1016/j.radcr.2022.01.047
Popis: Here, we present a very unusual case of orbital apex schwannoma with a high titer of proteinase 3 antineutrophil cytoplasmic antibody (PR3-ANCA). A 67-year-old man presented with a 3-month history of double vision. Radiological examinations revealed a mass lesion at the left orbital apex, and laboratory examination revealed a high titer of PR3-ANCA, of 49.1 U/mL (reference range
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