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Abstract #1222

Value of 3D FSE STIR images with blood-suppression pulse technique for the brachial plexus at 3T

Tsutomu Inaoka 1 , Masayuki Odashima 1 , Mitsuyuki Tozawa 1 , Hiroyuki Nakazawa 1 , Masahiro Sogawa 1 , Tomoya Nakatsuka 1 , Rumiko Kasai 1 , and Hitoshi Terada 1

1 Radiology, Toho University Sakura Medical Center, Sakura, Chiba, Japan

There has recently been an increased interest in diagnosing abnormalities of the brachial plexus with MRI. STIR is often used in assessing the brachial plexus since chemical saturation techniques may be insufficient for homogenous fat suppression. On STIR images, however, some vessels including the internal jugular veins, paraspinal vessels, and others around the brachial plexus are hyperintense compared to the fat and surrounding tissues. Recently, blood-suppression pulse technique has been introduced to reduce signal intensities from vessels and microperfusion of the tissues at 3T MRI.The MIP image of 3D SPACE STIR technique with blood-suppression pulse is superior to that without. It might be a better way to evaluate anatomies and pathologies of the brachial plexus.

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