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Updated: Jun 24, 2026

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Published on: May 4, 2022
Thymoma of the middle mediastinum: 11C-acetate positron emission tomography imaging
Hiroyuki Sakurai1, Masahiro Kaji, Keiichi Suemasu
1Department of Thoracic Surgery, Saiseikai Central Hospital, Tokyo, Japan. sakuraihm@ybb.ne.jp
Abstract:
Thymomas arising outside the anterior mediastinum are very rare. Their occurrence is likely to be related to ectopic thymus tissue. We report a case of thymoma in the middle mediastinum, right paratracheal region. There have been few reports of middle mediastinal thymoma. In the present case, (11)C-acetate positron emission tomography (PET) was useful for a preoperative suggestive diagnosis. Recently, (11)C-acetate has been reported to be a more sensitive PET tracer than (18)F-fluorodeoxyglucose and may be a promising tracer for complementing the deficiency of (18)F-fluorodeoxyglucose in PET imaging.
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