Skip to main content

Table 3 Results of TMS study

From: A patient with McLeod syndrome showing involvement of the central sensorimotor tracts for the legs

MEPs from FDI muscle

MEPs from TA muscle

Stimulation site

Latency (ms)

Normal limit (ms)

Stimulation site

Latency (ms)

Normal limit (ms)

(1) Cortex

21.7

22.6

(1) Cortex

32.6

29.3

(2) Brainstem

18.8

18.8

(2) Brainstem

30.1

25.4

(3) Cervical root

15.2

15.2

(3) L1 root

16.7

16.8

 

Conduction time (ms)

 

(4) L5 root

13.3

13.3

CMCT [(1)–(3)]

6.5

7.7

 

Conduction time (ms)

 
   

CMCT [(1)–(4)]

19.3

17.0

   

CCCT [(1)–(3)]

15.9

14.7

   

CECT [(3)–(4)]

3.4

4.4

  1. TMS transcranial magnetic stimulation, FDI first-dorsal interroseous, TA tibialis anterior;
  2. CMCT central motor conduction time, CCCT cortico-conus conduction time, CECT cauda equina conduction time
  3. The bold Italic values indicate over the normal limits