胸腺多灶性胆固醇肉芽肿:前纵隔正电子发射断层扫描阳性良性肿瘤1例。

IF 1.1 4区 医学 Q4 CARDIAC & CARDIOVASCULAR SYSTEMS Annals of Thoracic and Cardiovascular Surgery Pub Date : 2023-04-20 DOI:10.5761/atcs.cr.21-00198
Mikito Suzuki, Hirotoshi Horio, Azusa Yamada, Reiko Shimizu, Toshiyuki Shima, Masahiko Harada, Tsunekazu Hishima
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引用次数: 1

摘要

胸腺胆固醇肉芽肿是极为罕见的良性肿瘤。在此,我们描述一个45岁男性胆固醇肉芽肿的病例,他在计算机断层扫描(CT)上表现为多灶前纵隔病变。正电子发射断层扫描(PET)-CT显示氟脱氧葡萄糖摄取增加,最大标准化摄取值为8.3。弥散加权磁共振成像(MRI)显示极低。他接受了全胸腺切除术,胸骨正中切开术推定多发胸腺瘤。经组织病理学分析,证实胸腺胆固醇肉芽肿,患者术后28个月无复发。胸腺胆固醇肉芽肿是一种pet - ct阳性的良性肿瘤,具有独特的组织学表现。MRI表现为良性细胞增多,而PET-CT表现为肉芽肿性炎症。因此,同时使用PET-CT和MRI可以帮助区分良性胆固醇肉芽肿和恶性前纵隔肿瘤。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Multifocal Cholesterol Granulomas of the Thymus: A Case Report of Positron Emission Tomography- Positive Benign Tumor of the Anterior Mediastinum.

Cholesterol granulomas of the thymus are extremely rare benign entities. Herein, we describe a case of cholesterol granuloma in a 45-year-old man who presented with multifocal anterior mediastinal lesions on computed tomography (CT). Positron emission tomography (PET)-CT revealed increased fluorodeoxyglucose uptake, with a maximum standardized uptake value of 8.3. Diffusion-weighted magnetic resonance imaging (MRI) revealed extreme hypointensity. He underwent total thymectomy by median sternotomy for presumed multiple thymoma. On histopathological analysis, cholesterol granuloma of the thymus was confirmed, and the patient had an uneventful postoperative course without recurrence for 28 months. Cholesterol granuloma of the thymus is a PET-CT-positive benign tumor with unique histological findings. The MRI findings were indicative of hypocellularity associated with a benign entity, whereas the PET-CT findings corresponded to granulomatous inflammation. Therefore, concurrent use of PET-CT and MRI can be helpful in distinguishing between benign cholesterol granulomas and malignant anterior mediastinal tumors.

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来源期刊
Annals of Thoracic and Cardiovascular Surgery
Annals of Thoracic and Cardiovascular Surgery CARDIAC & CARDIOVASCULAR SYSTEMS-SURGERY
CiteScore
2.80
自引率
0.00%
发文量
56
审稿时长
4-8 weeks
期刊介绍: Information not localized
期刊最新文献
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