Prospective study of superior cluneal nerve disorder as a potential cause of low back pain and leg symptoms

Table 4 Summary of the 19 cases that underwent surgical SCN release

Case no.	Age	Sex	Previous spine surgeries	Gait	Leg symptoms^b	Limitation of lumbar motion	Disease duration	Pre-op VAS	Pre-op RDQ
1	71	F	Foraminotomy^a		Tingling^b: R buttock to calf	F^#E	3 yr	80	19
2	60	M	Multiple spine surgeries^a	HW	Pain^b: R lateral thigh to below knee	F^#E	12 yr	79	17
3	41	M		PL	Tingling^b: B thigh to foot sole	F^#E	6 mon	80	19
4	83	F		PL	Pain: L buttock to lateral thigh	E	5 yr	80	17
5	56	M				F^#	6 mon	70	9
6	78	F	Lumbosacral fusion		Tingling: L lateral buttock to groin	F	30 yr	65	13
7	61	M		PL	Pain^b: L lateral calf	F^#	6 mon	35	13
8	48	F	Herniotomy^a		Tingling: B buttock to calf	F^#E	1 yr	100	18
9	56	M	Lumbosacral fusion		Pain: R buttock to calf	F^#E	1 mon	75	21
10	70	F	Lumbosacral fusion^a	PL	Pain^b: L lateral thigh to calf	FE	15 yr	85	9
11	57	F		PL	Pain^b: B lateral thigh to calf	FE	6 yr	80	20
12	84	M	Laminectomy^a	PL		FE	1 yr	75	21
13	68	F	Lumbosacral fusion	UW	Tingling: B anterior thigh to toes	FE	30 yr	80	21
14	86	F	Lumbosacral fusion^a		Pain^b: B lateral thigh to calf	F	4 yr	100	15
15	75	F	Lumbar fusion^a		Tingling^a: R anterolateral thigh and pain: R toes		9 yr	60	12
16	78	F		PL	Pain: R buttock to lateral foot	F^#E	3 yr	80	16
17	51	M			Pain^b: R groin and anterior thigh	F^#	4 yr	50	7
18	44	M				F^#	10 yr	50	12
19	67	F	Twice laminectomies^a		Pain^b: L calf to lateral foot		10 yr	75	5

SCN superior cluneal nerve, no. number, op operation, VAS visual analog scale (maximum 100 mm), RDQ Roland-Morris Disability Questionnaire, f female, m male, LBP low back pain, R right, L left, B bilateral, HW hardly able to walk, PL painful limping, UW unable to walk, FE flexion and extension, F flexion, E extension, yr year(s), mon month(s), F^# coupling of rotation to the side contralateral to symptoms aggravated further than flexion of the affected side alone.
^aUnnecessary spine surgeries.
^bDegree of leg symptoms was higher than the degree of LBP.

ISSN: 1749-799X