Brian A. Taylor1, Ralf B. Loeffler1,
Ruitian Song1, R. Jason Stafford2, Beth McCarville1,
Jane S. Hankins3, Claudia M. Hillenbrand1
1Radiological Sciences, St.
Jude Children's Research Hospital, Memphis, TN, United States; 2Imaging
Physics, the University of Texas M. D. Anderson Cancer Center, Houston, TX,
United States; 3Hematology, St. Jude Children's Research Hospital,
Memphis, TN, United States
An autoregressive moving average (ARMA) model was used to calculate field inhomogeneities in T2* imaging of the liver in patients with iron overload. Comparisons were made between ARMA T2* measurements and T2* from monoexponential fits calibrated to liver iron content measurements via biopsy.