Partial aplasia of the posterior arch of the atlas with an isolated posterior arch remnant: Findings in three cases

Aseem Sharma, Shailesh B. Gaikwad, Parminder S. Deol, Nalin K. Mishra, Shashank S. Kale

Research output: Contribution to journalArticle

59 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)1167-1171
Number of pages5
JournalAmerican Journal of Neuroradiology
Volume21
Issue number6
StatePublished - Jun 30 2000
Externally publishedYes

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