图1. 从头骨到大腿中部获取的全身[68Ga]Ga-PSMA PET扫描示例。左图(A)展示了未进行任何分割的冠状视图,中间图(B)展示了手动分割,右图(C)展示了自动分割。结果显示,在体素级分割中,CNN的性能良好,Dice分数为85%,阳性预测值(PPV)为85%。 Fig. 2 An example of a whole body [68Ga]Ga-PSMA PET scan ac...
Our tool may aid CT-based detection of pelvic LN metastasis and triage patients most unlikely to benefit from the PSMA PET/CT scan.doi:10.1038/s41598-023-28669-yDi Xugrid.19006.3e0000 0000 9632 6718Computer ScienceUniversity of California 90035 Los Angeles CA USAMartin Ma...
The study looked at 213 men who were enrolled in two prospective clinical trials at UCLA that used the PSMA PET scan as a part of primary staging of the disease. The team used a multivariable logistic regression model to assess for predictors of upstaging and developed a risk calculat...
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Detection rate For the entire cohort, 118/273 (43.2%) patients had recurrent disease detected with PSMA PET scan before sRT. More specif- ically, 78/273 (28.6%) patients had local recurrence and 48/273 13 2 532 European Journal of Nuclear Medicine and Molecular Imaging (2023) 50:2529–...
PSMA-PET/Computed Tomography Scan All patients underwent 68Ga-PSMA-11 PET/computed tomography (CT) at UCLA. Imaging acquisition was performed as previously described.8 After injection of a median of 5.0 mCi of 68Ga-PSMA-11, PET images were recorded at a median uptake time of 61 minutes (...
采用三维勾画法在 68Ga-PMSA-11 PET/CT图像上自动测量和勾画肿瘤病灶感兴趣区,计算最大标准化摄取值(SUV max)、原发PSMA肿瘤体积(PSMA-TV 原发)、全身PSMA肿瘤体积(PSMA-TV 全身)、原发PSMA肿瘤总量(TL-PSMA 原发)、全身PSMA肿瘤总量(TL-PSMA 全身)。组间代谢体积参数的比较采用两独立样本非参数Mann-Whitney...
PET/CT scan started 233 min after administration of 384 MBq [18F]JK-PSMA-7. Maximum-intensity projection of PET image (Left). Transverse PET/CT images, levels indicated by blue lines (Right) [45] (Creative Commons Attribution licence). A dosimetry and biodistribution study in ten patients ...
The purpose of this retrospective, multicenter study was to assess efficacy of PSMA-PET/CT-guided salvage radiotherapy (sRT) in patients with recurrent or
than CT and bone scan for staging high-risk disease (evidence level 1b), and that PSMA PET should be offered to men showing a persistent PSA > 0.2 ng/ml, if the result is expected to influence subsequent treatment decisions (weak recommendation) [11,12]. A variety of68Ga- and18F...