Epidural migration of a sequestrated disc to posterior epidural space is rare.
游离的髓核移位至后方硬膜外间隙是非常少见的。
Objective:To investigate the anatomical features of lumbosacral nerve roots in epidural space to provide the anatomical basis for selective posterior rhizotomy (SPR).
目的：探究腰骶部脊神经根在硬膜外间隙的解剖情况，为临床SPR手术提供解剖学依据。
Objective:To investigate the anatomical features of lumbosacral nerve roots in epidural space to provide the anatomical basis for selective posterior rhizotomy (SPR).
目的：探究腰骶部脊神经根在硬膜外间隙的解剖情况，为临床SPR手术提供解剖学依据。
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