Letters to the Editor

T1-Weighted Dynamic Contrast-Enhanced MRI Is a Noninvasive Marker of Epidermal Growth Factor Receptor vIII Status in Cancer Stem Cell–Derived Experimental Glioblastomas

L.S. Politi Neuroimaging Research, Hematology/Oncology Division Boston Children’s Hospital/Dana Farber Cancer Institute Boston, Massachusetts Radiology Department University of Massachusetts Medical School Worcester, Massachusetts Neuroradiology Unit and CERMAC Vita-Salute San Raffaele University and IRCCS San Raffaele Scientific Institute Milan, Italy G.