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Solid
material becomes
visible
if we can encode signal
rapidly
Ultra-short TE
T2 values
Water: 4000 ms
Soft-tissue: 90 ms
Achiles tendon: 5 ms
Cortical bone: 0.5 ms
Ice: 0.015 ms
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0
50
100
150
200
Signal Intensity
TE (ms)
Long T2 (600 ms)
Short T2 (80 ms)
Bone T2 (0.5 ms)
0 5
1
2
3
4
5
Signal Intensi