Partial aplasia of the posterior arch of the atlas with an isolated posterior arch remnant: findings in three cases.
Partial aplasia of the posterior arch of the atlas with an isolated posterior arch remnant: findings in three cases.
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发表时间：
2000-06
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通讯作者：
Aseem Sharma;Shailesh Gaikwad;Parminder S. Deol;N. K. Mishra;Shashank Sharad Kale
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作者：
Aseem Sharma;Shailesh Gaikwad;Parminder S. Deol;N. K. Mishra;Shashank Sharad Kale
We report the imaging findings in three symptomatic cases of partial aplasia of the posterior arch of the atlas with an isolated posterior remnant of the arch. These cases are instructive in illustrating the mechanism of cord impingement produced by the posterior arch remnant during extension of the cervical spine. Additionally, focal increased T2 signal was observed within the cord at the level of the anomaly in two of the patients.
