刀刃的畸形

2022-01-17 02:13:22 来源:

Clasp-knife deformity is relatively common anomaly found at the lumbosacral junction and characterized by a large midline defect of the posterior arch of the sacrum (usually S1/S2 and occasionally S3) along with hypertrophy (or overgrowth) of the spinous process of vertebra above (usually L5).

发育不良是较常见于的腰骶部精神状态；特点是骶骨后弓的马鞍山的小块缺损（通常S1/S2和偶尔是S3）伴其上坐骨（通常是腰5）棘突肥大（或过度生长）。

When a Clasp-knife deformity is accompanied by pain on extension secondary to protrusion of the enlarged spinous process (knife blade) into the sacral spinal c, it is called Clasp-knife syndrome.