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Cervical Laminectomy

頸椎椎板切除術(shù)

A posterior cervical laminectomy is a surgical procedure designed to relieve pressure on the spinal cord caused by spinal stenosis.

　　頸椎后路椎板切除術(shù)被設(shè)計(jì)用于解除頸椎管狹窄導(dǎo)致的脊髓壓迫。

Cervical spinal stenosis is a narrowing of the spinal canal that can compress the spinal cord and/or surrounding nerve roots.

　　頸椎管狹窄癥是頸椎的椎管變窄壓迫脊髓或周圍神經(jīng)根。

This narrowing can be caused by degenerative changes in the cervical spine, or neck.

　　這種狹窄可由頸椎的退變引起。

In a laminectomy surgery, a three- to four-inch vertical incision is made along the midline of the neck.

　　在椎板切除術(shù)中，先在頸后正中作一3～4英寸長(zhǎng)的縱切口。

The paraspinal muscles are stripped away from the spinous processes, then moved out of the way with retractors.

　　從棘突上剝離椎旁肌，并用牽開(kāi)器牽開(kāi)。

A trough is cut on both sides of the affected lamina, just before it meets the adjacent facet joints, using a rotating wheel instrument called a high-speed burr.

　　在受累椎板兩側(cè)剛好與關(guān)節(jié)突關(guān)節(jié)相毗鄰處，使用一種稱為高速磨鉆的轉(zhuǎn)輪樣裝置開(kāi)槽。

The spinous process and lamina are removed as a single unit that resembles a lobster's tail. The removal procedure may repeat if more than one vertebra is involved in the spinal compression.

　　棘突和椎板作為一個(gè)整體被移除，看似龍蝦的尾巴。如果脊髓受壓不止一個(gè)椎節(jié)，需要重復(fù)上述切除的步驟。

With the lamina and spinous process removed, the spinal cord floats back into the spinal canal and has more room to heal.

　　當(dāng)椎板和棘突去除后，脊髓向后漂移，椎管空間擴(kuò)大，有利于脊髓的恢復(fù)。

In some cases, a spinal fusion may be performed after the laminectomy.

　　有些病例，在椎板切除術(shù)后需要進(jìn)行脊柱融合術(shù)。

In a cervical spinal fusion, two or more of the affected vertebrae are joined together into a single unit using a bone graft and possibly a supporting metal plate and screws.

　　在進(jìn)行頸椎融合術(shù)時(shí)，2節(jié)以上受累的椎骨通過(guò)使用骨移植材料連接成一個(gè)整體，可能會(huì)用金屬板或螺釘予以支撐。

（高晨珉     轉(zhuǎn)）