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Fig. 2D —T1-weighted (A–C) and fat-saturated T2-weighted
(D–F) images of ankle joint in cadaver specimen. Images show
superior image quality at 3 T (A, B, D, and E) as opposed to 1.5
T (C and F). No significant difference in image quality or
signal-to-noise ratio (SNR) was found between normal (A and D)
and parallel (B and E) acquisitions at 3 T (p >
0.05). Mean values of image quality for T1-weighted sequences were as follows:
2.8 (1.5 T), 3.5 (3 T), and 3.5 (3 T with generalized autocalibrating
partially parallel acquisition [GRAPPA] algorithm). Mean values of SNR for
T1-weighted sequences were as follows 43.0 (1.5 T), 49.7 (3 T), and 47.2 (3 T
with GRAPPA algorithm [3.0TGR]).
