Paradoxic hypertrophy of the sciatic nerve

Tumeurs des tissus mous

“…Dans le contexte d'une amputation au-dessus du genou chez un sujet jeune, rappelons qu'un élargissement du nerf sciatique est classique [238,353] .…”

Sciatic nerve: beyond the sacral foramen

“…It is termed paradoxical because usually transection of the limb is followed by atrophy of the nerve instead of hypertrophy. The etiology remains unclear; however, some propose that it may be secondary to dysregulated axonal neurofilament transport (9). Differentiating this benign process from a residual or locally recurrent tumor may prevent unnecessary biopsies (Fig.…”