Table 1.

Demographic, clinical and imaging data

				Clinical Findings		Needle EMG	Imaging studies
No.	Age	Sex	Side	Motor lesion	Sensory lesion	Abnormal spontaneous activity	CT-myelography
1	18	M	R	C5	no lesion	C5	ventral C5
2	24	F	L	C5, C6, partial C7	C5, C6	C5, C6, partial C7,8	ventral C5
3	62	M	R	C5, C6	C4, C5, C6	C5, C6	C5, C6
4	19	M	L	C5, C6, C7, partial C8	C5, C6	C5, C6	C5, C6
5	62	M	R	C5, C6	C5, C6	C5, C6, C7	C5
6	19	M	R	C5, C6	C5, C6	C5, C6, C7	no avulsion
7	52	M	L	C5, C6	C5	C5, C6	no avulsion
8	39	F	R	C5, C6, C7, partial C8	C5, C6, C7	C5, C6	C4, C5, C6, partial C7
9	43	F	R	C5	C5	C5	no avulsion
10	39	M	R	C5, C6, partial C7	C4, C5, C6, C7	C5, C6, C7, C8	C6, C7
11	24	M	R	C5, C6, C7, partial C8	C3, C4, C5, C6, C7	C5, C6, C7	C8
12	44	M	L	C6, C7, partial C5, C8	C5, C6, C7, C8	C5, C6, C7, C8	no avulsion
13	50	M	R	C5, C6, C7, partial C8	C5, C6, C7, C8	C5, C6, C7, C8	no avulsion
14	42	M	R	C5, C6, partial C7	C5, C6	C5, C6, C7, C8	C5, C6, C7
15	39	M	L	C5, C6, partial C7	C5, C6	C5, C6	ventral C5, C6
16	48	F	L	C5	C5	C5	no avulsion
17	26	M	L	C5, C6, C7, partial C8	C6, C7, C8	C5, C6, C7, C8	C6, C7, C8
18	28	M	L	C5	C5	C5	no avulsion
19	49	M	L	C5, C6, C7, C8	C5, C6, C7, C8	C5, C6, C7, C8	C5, C6, C7