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The current diagnostic reference standard for peripheral trigeminal nerve injuries is neurosensory testing in combination with clinical findings to determine treatment. MRN provides an alternative method for the diagnosis and staging of patients with PTN because of its ability to delineate anatomy and the exact location of injury. This study correlates injury grading based on NST and MRN, demonstrating similar rates of agreement with surgical findings in lower-grade injuries but higher rates of agreement between MRN and surgical findings than NST in higher-grade injuries.

MR elastography allows noninvasive evaluation of mechanical properties of the brain altered by NPH. Different morphologic phenotypes of NPH are associated with unique mechanical signatures. Pattern analysis based on MRE is a promising method for improving diagnosis to distinguish NPH from other neurologic disorders that may have overlapping imaging and/or clinical presentations (such as Parkinson disease, Alzheimer disease, or progressive supranuclear palsy) and for predicting shunt outcomes.