article = {RDI-2019-2-101} title = {Utility of the ADC Map in Identification of Diffusion Restriction on a Background of Basal Ganglia Iron Deposition - T2 Gray Out Effect} journal = {Radiology and Medical Diagnostic Imaging} year = {2019} issn = {2613-7836} doi = {http://dx.doi.org/10.31487/j.RDI.2019.02.01} url = {https://www.sciencerepository.org/utility-of-the-adc-map-in-identification-of-diffusion-restriction-on-a-background-of-basal-ganglia-iron-deposition-t2-gray-out-effect_RDI-2019-2-101 author = {JP Karis,Robert Crowder,} keywords = {Basal Ganglia Iron, 2 Gray Out Effect} abstract ={Objective: Review T2 signal effects on DWI, including a previously undescribed concept of T2 shortening masking true diffusion restriction on trace DWI images, and the utility of evaluating the ADC/eADC map in these areas using case examples. Conclusion: Basal ganglia iron deposition can potentially mask true diffusion restriction when trace DWI images are viewed in isolation. Review of the ADC/eADC map is helpful for identifying diffusion restriction in these cases.}