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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