在快速进展的淋巴瘤中68Ga-DOTATATE和18F-FDG PET/CT
Ashwin Singh Parihar1, Richard L Wahl, Amin H Jahromi
1From the Mallinckrodt Institute of Radiology and Siteman Cancer Center, Washington University School of Medicine, St Louis, MO.
Clinical nuclear medicine
|October 14, 2024
概括
-68 DOTATATE PET/CT 扫描可以检测各种癌症中的体静止素受体表达. 这一案例突出了模仿神经内分泌瘤的攻击性大B细胞淋巴瘤,强调了需要仔细解释PET/CT成像的必要性.
科学领域:
- 在瘤学瘤学.
- 核医学是一种核医学.
- 放射学 放射学是一门学科.
背景情况:
- 68Ga-DOTATATE PET/CT针对的是体静止素受体,这是神经内分泌瘤成像的标准.
- 淋巴瘤可以表达索马托斯塔丁受体,可能导致假阳性.
- 非典型的表现需要彻底的诊断评估.
研究的目的:
- 描述一个不寻常的攻击性大B细胞淋巴瘤病例.
- 为了说明这种淋巴瘤如何在初始成像中模仿转移性神经内分泌瘤.
- 要突出由非神经内分泌恶性瘤中体静止素受体表达所带来的诊断挑战.
主要方法:
- 使用68Ga-DOTATATE PET/CT进行初始瘤成像.
- 进行了随后的18F-FDG PET/CT,以评估疾病进展.
- 分析了临床表现和组织病理学发现.
主要成果:
- 最初的68Ga-DOTATATE PET/CT显示了高索马托斯塔丁受体表达,暗示神经内分泌瘤.
- 该患者呈现出一种具有侵略性的大B细胞淋巴瘤.
- 随后的18F-FDG PET/CT检查显示,疾病的进展很快.
结论:
- 具有侵略性的大B细胞淋巴瘤可以异常呈现,具有高索马托斯塔丁受体表达.
- 68Ga-DOTATATE在淋巴瘤中的PET/CT发现可以模仿神经内分泌瘤.
- 仔细整合成像,临床和病理数据对于准确的诊断和管理至关重要.
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