Abstract:
:In order to visualize restricted diffusion, the present study developed a novel method called 'apparent diffusion coefficient (ADC) subtraction method (ASM)' and compared it with diffusion kurtosis imaging (DKI). The diffusion-weighted images of physiological saline, in addtion to bio-phatoms of low cell density and the highest cell density were obtained using two sequences with different effective diffusion times. Then, the calculated ADC values were subtracted. The mean values and standard deviations (SD) of the ADC values of physiological saline, low cell density and the highest cell density phantoms were 2.95±0.08x10‑3, 1.90±0.35x10‑3 and 0.79±0.05x10‑3 mm2/sec, respectively. The mean kurtosis values and SD of DKI were 0.04±0.01, 0.44±0.13 and 1.27±0.03, respectively. The ASM and SD values were 0.25±0.20x104, 0.51±0.41x104 and 4.80±4.51x104 (sec/mm2)2, respectively. Using bio‑phantoms, the present study demonstrated that DKI exhibits restricted diffusion in the extracellular space. Similarly, ASM may reflect the extent of restricted diffusion in the extracellular space.
journal_name
Mol Med Repjournal_title
Molecular medicine reportsauthors
Yoshimura Y,Kuroda M,Sugianto I,Khasawneh A,Bamgbose BO,Hamada K,Barham M,Tekiki N,Kurozumi A,Matsushita T,Ohno S,Kanazawa S,Asaumi Jdoi
10.3892/mmr.2019.10523subject
Has Abstractpub_date
2019-09-01 00:00:00pages
2963-2969issue
3eissn
1791-2997issn
1791-3004journal_volume
20pub_type
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