Abstract #3192

Application of the CT ABC/2 Method for Measuring Intracranial Bleed Volume on mcTFI QSM MRI.

Ria Sharma¹, Geunwon Kim², Magdy Selim³, Ajith J Thomas⁴, Aristotelis Filippidis⁵, Yan Wen⁶, Pascal Spincemaille⁷, Yi Wang⁷, and Salil Soman¹

¹Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States, ²Atrius Health, Boston, MA, United States, ³Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States, ⁴Department of Neurological Surgery, Cooper University Health Care, Cooper Medical School of Rowan University, Camden, NJ, United States, ⁵Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States, ⁶GE Healthcare, New York, NY, United States, ⁷Department of Radiology, Weill Cornell Medicine, New York, NY, United States

Synopsis

Keywords: Neurofluids, Brain, Intracranial Hemorrhage, ABC/2, Bleed Volume EstimationIntracranial hemorrhage (ICH) volume estimation is important for patient management. ABC/2 is a validated method of volume estimation using CT (2). Differing appearance of blood across MRI imaging techniques and blood age limits the ability of MRI to evaluate ICH volume. The QSM technique mcTFI has features well suited to bleed measurement. In this study we show that the widely used ABC/2 CT technique for ICH volume measurement applied to mcTFI QSM MRI yields ICH volumes strongly correlated with those obtained using CT.

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