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Fig. 1 | BMC Surgery

Fig. 1

From: A separate-dural-incision method of extradural dumbbell spinal schwannoma resection: cumulative experience at a single center

Fig. 1

A: The dural sac forms a pocket-like structure (black arrow) receiving the nerve root, and we call it the dural ring. The extradural schwannoma that is located outside of the sheath of the dural ring. B: As the tumor grows, it grows in the intraspinal canal without invasion of the intradural portion. g: dorsal root ganglion, n: nerve root, t: tumor

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BMC Surgery

ISSN: 1471-2482

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