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ID 113564
タイトル別表記
CT imaging of nasopharyngeal and eustachian tube tonsilloliths
著者
菅原, 千恵子 Tokushima Prefectural Central Hospital KAKEN研究者をさがす
Akita, Kazuya Tokushima University
Kamada, Kumiko Tokushima University
キーワード
nasopharynx
eustachian tube
tonsil
calculi
computed tomography
X-Ray
資料タイプ
学術雑誌論文
抄録
Objectives: Nasopharyngeal tonsilloliths (NT) and eustachian tube tonsilloliths (ET) are not as well-known to radiologists as palatine and lingual tonsilloliths. The aim of this investigation was to determine the prevalence and imaging characteristics of NT and ET using CT and panoramic radiographs.
Methods: We retrospectively assessed the scans of 2244 patients who underwent consecutive CT and panoramic radiographs of the maxillofacial region. The prevalence, size, number, and position of NT and ET were analysed.
Results: NT and ET were detected in 14 (0.6%) and 6 (0.3%) of 2244 patients on CT, respectively, but they were undetectable on panoramic radiographs. No significant difference was found in the prevalence with respect to sex. Although there was also no significant difference in the prevalence among age groups, tonsilloliths were most commonly noted in patients over 40 years old; they appeared as small and round calcified bodies, ranging from 1 to 3 mm in diameter. All NT were found 0 to 3 mm beneath the nasopharyngeal mucosal surface.
Conclusions: The prevalence of NT and ET on CT was lower than that of palatine and lingual tonsilloliths. However, since they are encountered more frequently than clinically significant calcifying diseases such as retropharyngeal calcific tendinitis, clinicians should be able to correctly diagnose NT and ET based on their anatomical features.
掲載誌名
Dentomaxillofacial Radiology
ISSN
0250832X
1476542X
cat書誌ID
AA00625627
出版者
British Institute of Radiology
47
7
開始ページ
20180052
発行日
2018-05-10
EDB ID
出版社版DOI
出版社版URL
フルテキストファイル
言語
eng
著者版フラグ
出版社版
部局
病院
歯学系