Congenital defects of the posterior arch of the atlas: A report of seven cases including an affected mother and son

G. Currarino, N. Rollins, J. T. Diehl

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Abstract

PURPOSE: To describe our experience with congenital anomalies of the posterior arch of the atlas, with a review and classification of these defects and a note on their clinical significance. METHODS: We report six children and one adult, the mother of one of the children, with an anomalous posterior arch of the atlas. The diagnosis was made on lateral films of the neck. Three patients also had axial CT of the cervical spine. RESULTS: The anomalies encountered in the seven patients were absence of the posterior arch of the atlas (four patients), bilateral clefts (two patients), and unilateral cleft (one patient). In three patients the anomaly was discovered as an incidental asymptomatic finding; three other patients presented with transient neck pain or transient neurologic symptoms after head and neck trauma, and one patient (an adult woman) described neck symptoms of 1-year duration. CONCLUSIONS: On the basis of these seven cases we conclude that congenital defects of the posterior arch of the atlas may be discovered as incidental asymptomatic findings, but symptoms occurring after trauma to the head and neck or spontaneously also may be encountered.

Original languageEnglish (US)
Pages (from-to)249-254
Number of pages6
JournalAmerican Journal of Neuroradiology
Volume15
Issue number2
StatePublished - 1994

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Atlases
Nuclear Family
Mothers
Neck
Incidental Findings
Craniocerebral Trauma
Neck Pain
Motion Pictures
Neurologic Manifestations
Spine

ASJC Scopus subject areas

  • Clinical Neurology
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

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Congenital defects of the posterior arch of the atlas : A report of seven cases including an affected mother and son. / Currarino, G.; Rollins, N.; Diehl, J. T.

In: American Journal of Neuroradiology, Vol. 15, No. 2, 1994, p. 249-254.

Research output: Contribution to journalArticle

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