Comparison of T2 Weighted, Fat-Suppressed T2 Weighted, and Three-Dimensional (3D) Fast Imaging Employing Steady-State Acquisition (FIESTA-C) Sequences in the Temporomandibular Joint (TMJ) Evaluation

Table 2

Comparison among MR sequences in terms of evaluated variables.

Variable	Category	FSE T2	FS T2	3D FIESTA-C
		Kappa
Disc configuration	Biconcave	0.58	0.58	0.60
	Biconvex	0.52	0.54	0.61
	Enlargement of the posterior band	0.50	0.52	0.66
	Biplanar	0.48	0.54	0.62
Disc position, closed mouth	Superior	0.44	0.54	0.64
	Anterior	0.50	0.58	0.62
Disc position, open mouth	Superior	0.48	0.55	0.65
	ADD with reduction	0.48	0.54	0.62
	ADD without reduction	0.54	0.58	0.69
Joint fluid	No	0.58	0.80	0.80
	Minimal	0.24	0.84	0.83
	Moderate	0.26	0.88	0.85
	Marked	0.32	0.89	0.89
Bone marrow changes	Normal	0.18	0.83	0.82
	Edema	0.20	0.75	0.78
	Osteonecrosis	0.24	0.89	0.90