Results of Surgical Treatment of Schwannomas Arising from Extremities

Table 2

Detailed summary of clinical material comprising tumours originating from major peripheral nerves.

Case number

Location

Nerve^1

Type of operation^2

Pain^3

Hoffmann-Tinel sign

Paresthesias

Sensory deficit^4

Motor deficit

Pre^*

Post^**

Pre^*

Post^**

Pre^*

Post^**

Pre^*

Post^**

Pre^*

Post^**

1

Arm

Median

T-1

0

0

+

−

+

−

+/S2+

+/S3

−

−

2

Arm

mca

T-1

0

0

+

−

+

−

+/S2+

−

−

−

3

Knee

cp

RG (4 × 18 cm)

C

0

+

+

+

+

+/S0

+/S1

+/M0

+/M0

4

Calf

sp

T-1

C

0

+

−

+

−

+/S2

−

+/M3

−

5

Axilla

Radial

T-1

0

0

−

−

−

−

−

−

+/M3

−

6

Wrist

Ulnar (3t)

ND

0

0

+

−

+

−

+/S2+

−

−

−

7

Arm

Ulnar

T > 2

C

0

+

−

+

−

+/S0

+/S0

+/M0

+/M0

8

Axilla

Ulnar

ND

C

0

+

−

+

−

+/S2+

−

−

−

9

Arm

Ulnar

ND

0

0

+

−

+

−

+/S2+

−

−

−

10

Arm

Median

ND

C

0

+

−

+

−

+/S2+

−

−

−

11

Forearm

Median

T > 2

C, N

0

+

−

+

−

+/S2+

+/S3

+/M3

+/M3

12

Elbow

Ulnar

ND

C

0

+

−

+

−

+/S2+

−

−

−

13

Axilla

Ulnar

T-1

C

0

+

−

+

−

+/S3+

−

−

−

14

Arm

Radial

T-1

C

0

+

−

+

−

+/S3+

−

−

−

15

Forearm

Median

T-2

C

0

+

−

+

−

+/S3+

−

−

−

16

Axilla

Ulnar

ND

C

0

+

−

+

+^!

−

+/

−

−

17

Wrist

Median

ND

C

0

+

−

+

−

+/S3+

−

−

−

18

Arm

Ulnar

T-1

C

0

+

−

+

−

+/S3+

−

−

−

19

Elbow

Ulnar

RG (2 × 5 cm)

C

0

+

+

+

+

+/S3

+/S3

+/M3

+/M3

20

Thigh

Sciatic

T-2

C

0

+

−

+

−

+/S2

−

−

−

21

Knee

sp

T-1

C

0

+

−

+

−

+/S2

−

−

−

22

Axilla

Radial

T-2

C

0

+

−

+

−

+/S3

+/S3

−

+/

23

Elbow

dr

DN

0

0

−

−

−

−

−

−

+/M3

+/M3

24

Forearm

sr (3t)

T-1/ND

C

0

+

−

+

−

−

−

−

−

25

Hand

Digital (6t)

ND

C

0

+

−

+

−

−

−

−

−

26

Axilla

mca

T-1

C

0

+

−

+

+^!

−

−

−

−

Nerve: mca: medial cutaneous nerve of the arm, cp: common peroneal nerve, sp: superficial peroneal nerve, dr: deep radial nerve, and sr: superficial radial nerve.
²Type of operation: ND: tumour excision without damage to fascicular structure, T-1: tumour excision with transection of 1 fascicle, T-2: tumour excision with transection of 2 fascicles, T > 2: tumour excision with transection of more than 2 fascicles, RG: tumour excision and reconstruction with grafts, and DN: tumour excision and reconstruction with direct neurorrhaphy.
³Pain: C: pain during compression and after exertion, N: night pain, and 0: no pain.
⁴Sensory deficit: upper extremity: assessed according to BMRC scale modified by Omer and Dellon and lower extremity: assessed according to Highet’s scale.
^!New postoperative deficits.
^*Preoperative.
^**Postoperative.