L5-S1 disc yog nyob nruab nrab ntawm 5th lumbar thiab 1st sacral pob txha. Ob lub discs no ua haujlwm tshaj plaws thiab feem ntau raug mob. Paralysis tsis tshua muaj tshwm sim nrog disc herniation.
Yuav ua li cas feem ntau cuam tshuam cov disc raug mob tshwm sim?
Feem ntau cov herniated disks tshwm sim nyob rau hauv nraub qaum, txawm tias lawv tuaj yeem tshwm sim hauv caj dab.
Qhov twg intervertebral discs feem ntau yuav ua rau herniated?
Disc herniation feem ntau tshwm sim hauv tus txha nraub qaum, ua raws li lub ncauj tsev menyuam qaum. Muaj ntau dua tus nqi ntawm disc herniation nyob rau hauv lub lumbar thiab ncauj tsev menyuam qaum vim lub biomechanical rog nyob rau hauv lub saj zawg zog ib feem ntawm tus txha nraub qaum. Cov nqaj qaum thoracic muaj qis dua ntawm disc herniation[4][5].
Dab tsi yog herniated disc ntau tshaj?
Pathophysiology. Feem ntau ntawm tus txha caj qaum herniations tshwm sim hauv lumbar qaum(95% ntawm L4–L5 lossis L5–S1). Qhov chaw thib ob feem ntau yog thaj chaw ncauj tsev menyuam (C5–C6, C6–C7). Cov cheeb tsam thoracic suav tsuas yog 1-2% ntawm tus neeg mob.
Ntau npaum li cas L5-S1 disc herniation?
Kwv yees li ntawm 90% ntawm herniated discs tshwm sim ntawm L4-L5 thiab L5-S1, ua rau mob hauv L5 lossis S1 paj hlwb uas tawm hauv cov hlab ntsha sciatic. Cov tsos mob ntawm herniated disc ntawm cov chaw no tau piav qhia hauv qab no: Ib qho herniated disc ntawm lumbar ntu 4 thiab 5 (L4-L5) feem ntau ua rau L5 paj hlwb impingement.
