Help - ALS pure motor dz - aric

[ArchivalUser]

How it cause upper motor defect in lower limb & lower motor defect in upper limb at the same time ? Pl anybody explain . Thanks a lot

[ArchivalUser]

it affects both the ventral horn and corticospinal tracts - thus due to ventral horn , you get lmn, due to corticospinal tract lesion- you get umn

[ArchivalUser]

cookie86 thanks .appeciate it

[ArchivalUser]

is anterior horn and ventral horn the same thing?
because from DIT, i heard that ALS causes damage to the anterior horn and corticospinal tract

thanks