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Table 1 Clinical Data on 9 operated patients

From: Anatomical, Clinical and Electrical Observations in Piriformis Syndrome

Patient

1

2

3

4

5

6

7

8

9

Sex

M

f

m

f

f

m

m

f

f

Age(years)

32

32

58

23

44

15

39

15

65

Weight(kg)

70

60

99

58

57

110

76

55

80

Side

L

L

L

R

L

R

R

R

R

Sport

-

-

Football

Walker

Swim

football

Walker

Walker

-

Gluteal trauma

-

-

-

-

-

yes

-

-

-

Preop. Steroid injection

0

1

3

0

2

0

0

0

0

Delay to surgery (years)

3

7

3

4

2

3

6

2

19

Sciatica

yes

yes

yes

Drop foot

yes

yes

yes

yes

yes

Pain on sitting position

+

+

+

+

+

+

+

+

+

Gluteal atrophy

-

-

-

+

-

-

+

+

+

Pain on digital pressure

+

+

+

+

+

+

+

+

+

H-reflex peroneal nerve

+

+

+

+

+

 

+

 

+

Preop.MRI (spine)

1

1

4

7

3

1

3

2

1

Preop.MRI (pelvis)

Veinous sign

Piriformis hypertrophy

 

Veinous sign

Veinous sign

Piriformis hypertrophy

Veinous sign

 

Normal

From surgery to pain relief

One year

6 months

3 months

2 weeks

No relief

1 year

1 year

4 months

1 month

Residual gluteal pain

-

+

-

-

+

-

-

-

+

Functional result

Excellent

Good

Excellent

Excellent

Bad

Excellent

Excellent

Excellent

good

  1. The preoperative and last followup evaluation concerning the clinical status and the results of the MRI images and the H-reflex of the peroneal nerve.