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Abstract #2949

Conspicuity of malignant liver tumors on STIR low b diffusion-weighted imaging with gadolinium ethoxybenzyl dethylenetriaminepentaacetic acid

Takashi Iwanaga1, Yoshihiko Fukukura2, Tomonori Saito1, Masashi Sasaki1, Yuichi Kumagae2, Koji Takumi2, Takuro Fujisaki1, and Takashi Yoshiura2

1Department of Radiological Technology, Kagoshima University Hospital, Kagoshima, Japan, 2Department of Radiology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan

When liver MRI is performed using Gd-EOB-DTPA, DWI is often obtained after Gd-EOB-DTPA injection to shorten examination time in the busy clinical practice. We compared malignant tumor conspicuity on low b-value DWI after contrast between chemical shift selective (CHESS) and short inversion time inversion recovery (STIR) sequences. Malignant liver tumors were more conspicuous with STIR than with CHESS. DWI with STIR is useful for visualizing malignant liver tumors after Gd-EOB-DTPA injection, thus decreasing overall scan time.

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