Inform, please, to what presence huge F-answers n testifies...

[Maria]

Inform, please, to what presence huge F-answers on ENMG (muscle Tibialis) testifies. What diseases are accompanied nejronalnym by a lesion (level L5-S1) except for the BASS?
C.

[Suponeva N.A.]

Presence huge F-waves to what does not testify, and is the indication for carrying out of a needle myography. Except for the BASS which, by the way, is generalizovannym, instead of local disease, t. e. Changes are not only in one muscle, and in several, including on arms or hand. Without a needle myography precisely to approve or confirm it is impossible, what is it nejronalnoe a lesion. It can be any diseases at which forward horns of a spinal cord are amazed (beginning or starting from hernias of intervertebral disks, kompremirujushchih a spinal cord, various ekstra-and intracerebral processes (a tumour, a cyst, disturbance of blood supply, an infection, hereditary diseases)) clear a situation can MRT.