Early Achilles Enthesis Involvement in a Murine Model of Spondyloarthropathy: Morphological Imaging with Ultrashort Echo-Time Sequences and Ultrasmall Superparamagnetic Iron Oxide (USPIO) Particle Evaluation in Macrophagic Detection

Table 1

Normalized signal-to-noise ratio (nSNR) (normalized to the subcutaneous fat signal at the same level) of different parts of the rat tendon calculated from the in vivo RARE images.

RARE	Preinsertional area			Enthesis
	Anterior	Posterior	Global	Anterior	Posterior	Global
D0	0.62 ± 0.08	0.65 ± 0.05	0.63 ± 0.12	0.73 ± 0.06	0.67 ± 0.06	0.68 ± 0.1
D3	0.72 ± 0.08	0.65 ± 0.05	0.8 ± 0.1	0.64 ± 0.04	0.6 ± 0.26	0.7 ± 0.1

D: day.