Abstract #2459

Non-invasive assessment of renal function using intravoxel incoherent motion imaging taking account of renal tubular water and relaxation times

Hajime Tamura¹, Hideki Ota², Tatsuo Nagasaka³, and Eikan Mishima⁴

¹Division of Medical Physics, Tohoku University, Graduate school of medicine, Sendai, Japan, ²Department of Advanced MRI Collaboration Research, Tohoku University, Graduate school of medicine, Sendai, Japan, ³Department of Radiology, Tohoku University hospital, Sendai, Japan, ⁴Division of Nephrology, Endocrinology, and Vascular Medicine, Tohoku University, Graduate school of medicine, Sendai, Japan

Renal IVIM imaging taking account of water in the urinary tubules and relaxation times was performed in patients with renal-artery stenosis. Several estimated parameters were significantly correlated with the functional parameters obtained by renal scintigraphy (water fraction with the time to peak height (T_max) on the renogram curve of renal scintigraphy, parenchymal diffusion coefficient with the glomerular filtration rate (GFR), and transverse relaxation time of flowing blood with GFR).

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