Abstract #2454

Imaging findings in patients with pulsatile tinnitus using black-blood MRI: a retrospective study

Yunduo Li¹, Le He¹, Xiangyu Cao², Xianling Wang³, Shubin Chen⁴, Rui Li¹, Chun Yuan^1,5, and Huijun Chen¹

¹Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, People's Republic of China, ²Neurosurgery department of the general hospital of PLA, Beijing, People's Republic of China, ³Xuanwu Hospital, Capital Medical University, Beijing, People's Republic of China, ⁴Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, People's Republic of China, ⁵Department of Radiology, University of Washington, Seattle, United States

In this study, we used black-blood (BB) MRI to investigate and classify venous wall abnormalities among PT patients, and found that venous vessel wall anomalies played an important role in PT mechanism. Arachnoidal granulations overgrowth, congenital stenosis, double-lumen, arterio-venous fistula, mastoiditis and malformation were observed in this retrospective study. In conclusion, BB imaging has the potential to provide more pathological information and guide surgical treatment of PT, which is of great clinical value.

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