2024年8月28日 · The three-territory sign is a radiological sign described in ischemic stroke and is highly specific to hypercoagulability due to malignancy (Trousseau syndrome) being the etiology.

We sought to highlight the "Three Territory Sign" (TTS) (bilateral anterior and posterior circulation acute ischemic diffusion-weighted imaging [DWI] lesions), as a radiographic marker of stroke due to malignancy.

However, the importance of 3-territory involvement in association with malignancy is under-recognized. We sought to highlight the “Three Territory Sign” (TTS) (bilateral anterior and posterior circulation acute ischemic diffusion-weighted imaging [DWI] lesions), as a radiographic marker of stroke due to malignancy. Methods

2024年5月24日 · 3.0T的成像速度比1.5T快20%，快速的扫描一方面可以加快病人流通量，另一方面可以比1.5T在某些方面更好的成像 (例如腹部的多期动态扫描)。 3.0T有更高的图像信噪比，在心肌灌注成像上比1.5T有更好的成像准确率和空间分辨率，在血管成像上使用TOF (时飞法) 成像的血管图像质量明显高于1.5T。 3.0T在显示大/小关节病变细节上，都全面高于1.5T磁共振。 在MRCP等水成像效果上，3.0T磁共振的信噪比明显高于1.5T。 在DTI（脑纤维束）成像 …

A recent research publication in PLoS ONE has described a new 3T MRI sign of Parkinson disease known as the 'absent swallow tail sign'. The discovery, which has the potential to revolutionise the diagnosis of this important disease, uses axial high resolution susceptibility weighted imaging (SWI) to assess the structure of the substantia nigra ...

2020年5月21日 · Using 3T SWI, we aimed to compare the frequency of lesions with central veins and iron rims in patients with clinically isolated syndrome and MS-mimicking disorders and test their diagnostic value in predicting conversion from clinically isolated syndrome to MS.

2014年10月13日 · MR angiography, dynamic first-pass perfusion sequences, myocardial tagging, and MR spectroscopy are more effective at 3 T, whereas delayed-enhancement, flow quantification, and black-blood sequences are comparable at 1.5 T and 3 T. Knowledge of the relevant physics helps in identifying artifacts and modifying sequences to optimize image quality.

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2023年3月30日 · Fetal MRI has emerged as a cornerstone of prenatal imaging, helping to establish the correct diagnosis in pregnancies affected by congenital anomalies. In the past decade, 3 T imaging was introduced as an alternative to increase the signal-to-noise ratio (SNR) of the pulse sequences and improve anatomic detail.

2021年11月10日 · Several consensus documents are now recommending 3T over 1.5 T, e.g. multiparametric MRI (mpMRI) of the prostate, 14 myocardial perfusion and late gadolinium enhanced cardiac imaging, 15 and the use of MRI in multiple sclerosis. 16 Alternatively, the improved SNR can be traded for shorter examination times, either by simply reducing the NSA ...