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Two cases of carcinoid tumor of the middle ear Hiroyuki Toyoda 1,2 1Department of Radiology Hamanomachi Hospital Keyword: 中耳カルチノイド , 中耳腺腫 , 神経内分泌腫瘍 pp.393-399
Published Date 2022/4/10
DOI https://doi.org/10.18888/rp.0000001912
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Carcinoid tumor is a neuroendocrine tumor commonly diagnosed in the lung, pancreas, and gastrointestinal tract. Carcinoid tumor of the middle ear is rare. We report two cases of carcinoid tumor of the middle ear. Case 1:A 65-year-old female presented with ear fullness and hearing impairment. Case 2:A 28-year-old female presented with ear fullness. CT demonstrated soft tissue mass in middle ear cavity without bone destruction in both cases. Contrast-enhanced dynamic MR imaging showed early enhancement of the mass in case 1. On diffusion weighted imaging, restricted diffusion of the lesion was observed in both cases.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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