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Published: 2022-02-14
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DOI: https://doi.org/10.52852/tcncyh.v149i1.580
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Vol. 149 No. 1 (2022)
Section
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How to Cite
Trâm, N. T. Q., Khảng, L. V., Trang, Đàm T., & Lưu, V. Đăng. (2022). Computed tomography scan and magnetic resonance imaging features of glomus tympanicum tumor. Journal of Medical Research, 149(1), 187-194. https://doi.org/10.52852/tcncyh.v149i1.580 (Original work published January 28, 2022)

Computed tomography scan and magnetic resonance imaging features of glomus tympanicum tumor

Nguyen Thi Quynh Tram, Le Van Khang, Dam Thuy Trang, Vu Dang Luu

Main Article Content

Abstract

To describe imaging characteristics of glomus tympanicum tumor using computed tomography (CT) and magnetic resonance imaging (MRI) in 16 patients at National Otorhinolaryngology Hospital. The most common clinical symptom was pulsatile tinnitus (94%). Mesotympanum was the most common location (81%). All tumors did not show erosion to the ossicles or cortical bones of the jugular vein, internal carotid artery, and inner ear canal wall. Five patients underwent MRI whose tumors did not show restricted diffusion on DWI, with homogeneous enhancement after contrast injection. Tumors showed iso or hyperintensity on T1-weighted and T2-weighted images. Careful preoperative assessment of glomus tympanicum tumor is recommended to map surgery course. CT is required to assess tumor extension in all cases. MRI scanning is indicated if CT scanning cannot differentiate tumor from fluid in the mastoid air cells.

Article Details

Keywords

glomus tympanicum tumor, tumors in tympanic cavity, paraganglioma, glomus tumor

References

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