Ultra High Resolution Venography Using T2* Weighted Imaging at 7T MRI

Seo-Hyun Lee¹, Chang-Ki Kang¹, Chan-A Park¹, Seung-Taek Oh¹, Young-Bo Kim¹, Zang-Hee Cho¹

High magnetic field strength potentially allows for an increase in resolution and image contrast, especially for imaging of the cerebral veins. The gains are particularly dramatic for T2*-weighted imaging, which is sensitive to susceptibility effects caused by a variety of sources, including deoxyhemoglobin, iron concentration, and tissue microstructure. The image quality and diagnostic value of MRI of venography were improved as field strength was increased. However, proper imaging resolution was not well evaluated. In this study, we will provide the ultra high resolution venography for imaging the micro-veins using T2*-weighted imaging at 7T MRI.