Congenital absence of the posterior arch of the atlas associated with a fracture of the anterior arch

Author:

Corominas L.1,Masrouha K. Z.2

Affiliation:

1. Department of Orthopaedics and Rehabilitation, Hospital Universitario Central de Asturias, Celestino Villamil s/n, 33006 Oviedo, Asturias, Spain.

2. Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 01006 JPP, 200 Hawkins Drive, Iowa City, Iowa 52242, USA.

Abstract

Structural defects of the posterior arch of the atlas are rare, and range from clefts of variable location and size to more extensive defects such as complete agenesis. These abnormalities are usually incidental radiological findings. We present a case of a fracture of the anterior arch of the atlas associated with a congenital abnormality of the posterior arch.

Publisher

British Editorial Society of Bone & Joint Surgery

Subject

Orthopedics and Sports Medicine,Surgery

Reference20 articles.

1. Currarino G, Rollins N, Diehl JT. Congenital defects of the posterior arch of the atlas: a case report of seven cases including an affected mother and son. AJNR Am J Neuroradiol 1994;15:249–54.

2. Cervical Myelopathy Caused by Hypoplasia of the Atlas: Two Case Reports and Review of the Literature

3. The Incidence and Clinical Implications of Congenital Defects of Atlantal Arch

4. Motateanu M, Gudinchet F, Sarraj H, Schnyder P. Case report 665: congenital absence of posterior arch of atlas. Skeletal Radiol 1991;20:231–2.

5. Sagiuchi T, Tachibana S, Sato K, et al. Lhermitte sign during yawning associated with congenital partial aplasia of the posterior arch of the atlas. AJNR Am J Neuroradiol 2006;27:258–60.

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