Quantitative MRI for Myelofibrosis

"Enrolled subjects will have an MRI scan performed at baseline (within 1 month before beginning therapy), at the time of a scheduled bone marrow biopsy or end of treatment cycle (6 months), and after 12 months.~Please note: Patients in this study will be treated with chemotherapy as determined by the hematologist or the treatment protocol for an independent clinical trial for therapy of myelofibrosis. Treatment and monitoring will be performed under the usual standard of care that includes physical examinations, laboratory testing, and other indicated imaging examinations."