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Abstract #1240

Interrelationships between 3T-MRI-, 64-section-MDCT-, and micro-CT-derived trabecular bone structure parameters: a study in cadavers

Miyuki Takasu 1 , Yoko Kaichi 1 , Chihiro Tani 1 , Shuji Date 1 , Yuji Akiyama 1 , Nobuhito Nango 2 , and Kazuo Awai 1

1 Diagnostic Radiology, Hiroshima University Hospital, Hiroshima, Hiroshima, Japan, 2 Ratoc System Engineering, Tokyo, Japan

This study was performed to assess the relationship of 3T-MR- and MDCT-derived trabecular bone measurements with micro-CT measures as the gold-standard. L2 and L3 vertebral bodies of fresh human cadaver vertebrae were scanned. The under- and overestimation of parameters may be related to low spatial resolutions and susceptibility artifact. The MRI/MDCT-derived measurements correlated moderately with the gold-standards with the exception of Tb.Th. 3T MRI- and MDCT derived measures show significant correlations with micro-CT-derived parameters, suggesting that the two methodologies assess similar and complementary characteristics of bone.

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