MRI and 18F-FDG PET/CT findings of a giant cell tumor of the tendon sheath of the knee joint (pigmented villonodular synovitis): A case report and literature review

被引：4
作者：
Liu, Xue [1 ]
Xu, Huaiwei [2 ]
Jiang, Tao [2 ]
Zhang, Bao [2 ]
Li, Youcheng [2 ]
Zeng, Wenbing [1 ]
机构：
[1] Chongqing Univ, Gorges Hosp 3, PET CT Ctr, 165 Xincheng Rd, Chongqing 404000, Peoples R China
[2] First Pepoles Hosp, Dept Nucl Med, Huaihua, Hunan, Peoples R China
来源：
HELLENIC JOURNAL OF NUCLEAR MEDICINE | 2021年 / 24卷 / 02期
关键词：
Pigmented villonodular synovitis; Giant cell tumor of the tendon sheath; F-18-FDGPET/CT; Knee joint;
D O I：
10.1967/s002449912355
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
We present a case of a 33-year-old female hospitalized with a 3-month history of right knee pain when squatting. Her physical examination showed no resting pain or local skin fever. Magnetic resonance imaging (MRI) showed multiple nodular long T1 and short T2 abnormal signal shadows in the popliteal fossa region. A patchy T2 high signal shadow was found in the soft tissue around the right knee. Fluorine-18-fluoro-deoxyglucose positron emission tomography/computed tomography (F-18-FDG PET/CT) revealed multiple soft tissue density nodules around and within the right knee joint (largest 20x13mm) with a maximum standardized uptake value (SUVmax) of 10.5 and a delayed SUVmaxof 12.0. The subsequent histopatho-logic examination confirmed the diagnosis of a diffuse giant cell tumor of the tendon sheath(GCTTS) and pig-mented villonodular synovitis (PVNS).
引用
收藏
页码：149 / 154
页数：6
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