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Abstract #4259

The ultrashort echo time (UTE) sequence quantifies high liver iron more accurately than the multiecho gradient-recalled echo (GRE).

Petr Bulanov1, Evelina Manzhurtseva2, Petr Menshchikov3, Artem Tolkalov4, Dmitriy Kupriyanov3, Galina Tereshchenko2, and Galina Novichkova2
1Lomonosov Moscow State Univesity, Moscow, Russian Federation, 2Dmitry Rogachev National Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russian Federation, 3Philips Healthcare, Moscow, Russian Federation, 4National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow, Russian Federation


The most common MRI sequence for iron overload assessment is Cartesian multiecho gradient-recalled echo (GRE) sequence typically measured in a single breath-hold. However, Breath-holding, is not possible for people who are sedated and is difficult for those who have difficulties with holding their breath for a long period. Ultrashort TE (UTE) imaging is one of the solutions for this challenge. In this method radial data acquisition utilized for free breath scanning. Thus, the main goal of this study is to compare the GRE and UTE sequences on a sample of patients with varying degrees of liver iron overload.

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