Whole Body MRI at 3T with Quantitative Diffusion Weighted Imaging and Contrast-Enhanced Sequences for the Characterization of Peripheral Lesions in Patients with Neurofibromatosis Type 2 and Schwannomatosis

Table 1

Subject and lesion characteristics.

Subject	Diagnosis	Lesion diagnosis	Lesion location	Lesion size (cm)	T1w signal	STIR signal	Average ADC; (×10^−3 mm^2/sec)	Contrast-enhancement pattern
(1)	NF-2	PNST	Chest	2.2	Hypointense	Hyperintense	1.5±0.15	Homogeneous
		PNST	Abdomen	6.9	Hypointense	Hyperintense	1.2±0.17	Homogeneous
(2)	NF-2	PNST	Pelvis	1.2	Hypointense	Hyperintense	1.9±0.13	Homogeneous
		PNST	Pelvis	1.0	Hypointense	Hyperintense	2.2±0.0	Homogeneous
(3)	NF-2	PNST	Pelvis	8.1	Hypointense	Hyperintense	1.4±0.15	Homogeneous
(4)	NF-2	Cyst	Paraspinal/L-spine	2.2	Hypointense	Hyperintense	2.6±0.16	None
		Cyst	Paraspinal/L-spine	1.5	Hypointense	Hyperintense	2.6±0.16	None
		PNST	T-spine	2.6	Isointense	Hyperintense	0.8±0.21	Homogeneous
		PNST	Thigh	2.6	Isointense	Hyperintense	2.2±0.18	Homogeneous
(5)	NF-2	PNST	Chest	2.2	Hypointense	Hyperintense	1.4±0.18	Homogeneous
		PNST	Chest	2.8	Hypointense	Hyperintense	1.2±0.09	Homogeneous
(6)	NF-2	PNST	Chest	10.2	Hypointense	Hyperintense	1.4±0.12	Homogeneous
		PNST	Abdomen	6.4	Hypointense	Hyperintense	1.7±0.22	Homogeneous
		PNST	Arm	3.5	Hypointense	Hyperintense	1.8±0.21	Homogeneous
		PNST	Thigh	4.2	Hypointense	Hyperintense	1.5±0.15	Homogeneous
(7)	SWN	PNST	Chest	8.2	Isointense	Hyperintense	2.7±0.20	Markedly heterogeneous
		PNST	Chest	4.5	Isointense	Hyperintense	2.7±0.40	Moderately heterogeneous
		PNST	Chest	3.3	Isointense	Hyperintense	2.2±0.28	Homogeneous
		PNST	Abdomen	8.2	Hypointense	Hyperintense	1.9±0.55	Moderately heterogeneous
		PNST	Abdomen	8.6	Hypointense	Hyperintense	2.5±0.69	Moderately heterogeneous
		PNST	Pelvis	5.3	Hypointense	Hyperintense	1.9±0.17	Moderately heterogeneous
		PNST	Thigh	8.1	Hypointense	Hyperintense	1.8±0.30	Moderately heterogeneous
		PNST	Thigh	6.5	Hypointense	Hyperintense	2.3±0.37	Moderately heterogeneous
(8)	NF-2	No lesions
(9)	NF-2	No lesions
(10)	NF-2	No; Lesions
(11)	NF-2	No lesions

T1w: T1-weighted imaging; STIR: short tau inversion recovery.