Abstract #3857

Orbit Fat Quant with PASTA and Unsaturated- and Saturated-Fat Opposed Phase.

Vadim Malis¹, Asako Yamamoto¹, Yoshimori Kassai², Won Bae¹, Marianne McDonald³, and Mitsue Miyazaki¹

¹Radiology, UC San Diego, San Diego, CA, United States, ²Canon Medical, Tochigi, Japan, ³UC San Diego, San Diego, CA, United States

In general, orbit fat suppression is not achieved due to the presence of unsaturated fat signals near water resonance. We have developed PASTA with unsaturated and saturated fat opposed phase (USOP) like a Dixon method. Semi-quantitative analysis shows about 6 – 18% of unsaturated fat in the orbits. Interestingly, two subjects having lazy eye (amblyopia) with double visions (diplopia) shows decreased in unsaturated fat signal.

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