脊髓外伤后局部出血、囊变、瘢痕形成及蛛网膜粘连与本病发生有关。
Theoccurrence of syringomyelia are related tohemorrage, cystic degeneration. scar formation andarachnoid adhesion at the site of spinal injury.
均找到了病因，包括1210例血管压迫，肿瘤压迫或蛛网膜囊肿和粘连所致，仅有10例未发现病因。
In 1210 cases a causal factor was revealed including blood vessel compression, tumor compression, compression of arachnoid cysts and adherence, only 10 cases remained unclear etiology.
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