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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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