Chemical Shift Imaging at 4.7 Tesla of Thymus in Young and Old Mice
نویسندگان
چکیده
منابع مشابه
In vivo quantitative lipidic map of brown adipose tissue by chemical shift imaging at 4.7 Tesla.
In the present paper, chemical shift imaging techniques are applied to quantitative in vivo evaluation of fat and water content in interscapular brown adipose tissue (BAT). The experiments have been carried out on five female Sprague-Dawley rats after calibration and testing with suitable phantoms containing known amounts of water and oil. We found that, in the interscapular BAT, the fat is abo...
متن کاملFast CT-PRESS-based spiral chemical shift imaging at 3 Tesla.
A new sequence is presented that combines constant-time point-resolved spectroscopy (CT-PRESS) with fast spiral chemical shift imaging. It allows the acquisition of multivoxel spectra without line splitting with a minimum total measurement time of less than 5 min for a field of view of 24 cm and a nominal 1.5x1.5-cm2 in-plane resolution. Measurements were performed with 17 CS encoding steps in ...
متن کاملHigh resolution spectroscopy and chemical shift imaging of hyperpolarized 129Xe dissolved in the human brain in vivo at 1.5 tesla
PURPOSE Upon inhalation, xenon diffuses into the bloodstream and is transported to the brain, where it dissolves in various compartments of the brain. Although up to five chemically distinct peaks have been previously observed in (129) Xe rat head spectra, to date only three peaks have been reported in the human head. This study demonstrates high resolution spectroscopy and chemical shift imagi...
متن کاملChemical shift and fat suppression magnetic resonance imaging of thymus in myasthenia gravis.
Myasthenia gravis (MG) is an autoimmune neuromuscular disease leading to fluctuating muscle weakness. Approximately 70% of patients with MG have thymic hyperplasia, and 10–20% of them have thymoma. In MG patients without thymoma, thymectomy should be performed only in selected patients. In contrast, thymectomy should be performed in all patients with thymoma. In addition, thoracoscopic thymecto...
متن کاملEchoplanar chemical shift imaging.
A novel method of chemical shift imaging utilizing echoplanar imaging (EPI) has been developed for the purpose of improving the spatial resolution of metabolite images for the specific goal of high spatial resolution mapping of neuronal content. An EPI sequence was modified to allow temporal offsets of the 180 degree refocusing pulse that encode the chemical shift information into the phase of ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Magnetic Resonance Imaging
سال: 1999
ISSN: 1053-1807,1522-2586
DOI: 10.1002/(sici)1522-2586(199907)10:1<97::aid-jmri14>3.0.co;2-y