Congenital absence of the posterior arch of the atlas.
نویسندگان
چکیده
We present a 52-year-old man with congenital absence of the posterior arch of the atlas and concomitant fusion of the posterior tubercle of the atlas to the spinal process of the axis. He had normal reflexes and no motor deficit. He underwent C3-C7 laminoplasty and achieved good outcome.
منابع مشابه
Congenital Anomaly of the Atlas Misdiagnosed as Posterior Arch Fracture of the Atlas and Atlantoaxial Subluxation
Partial or complete absence of the posterior arch of the atlas is a well-documented anomaly but a relatively rare condition. This condition is usually asymptomatic so most are diagnosed incidentally. There have been a few documented cases of congenital defects of the posterior arch of the atlas combined with atlantoaxial subluxation. We report a very rare case of congenital anomaly of the atlas...
متن کاملCongenital absence of the posterior arch of the atlas associated with a fracture of the anterior arch.
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.
متن کاملCongenital defects of the posterior arch of the atlas: a report of seven cases including an affected mother and son.
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 ...
متن کاملPosterior Arch Defect of the Atlas Associated to Absence of Costal Element of Foramen Transversarium from 16th-Century Sardinia (Italy).
STUDY DESIGN A paleopathological case of posterior arch defect of the atlas associated to the absence of costal element of the foramen transversarium. OBJECTIVE In living patients as well as in postmortem analysis it should be difficult to distinguish between a congenital and an acquired anomaly. Any anomaly in the anatomy of atlas should be taken into consideration by clinicians, surgeons, r...
متن کامل[isolated Agenesis of the Posterior Arch of the Atlas].
INTRODUCTION Congenital abnormalities of the posterior arch of the atlas (C-1) are very uncommon and not widely known. Isolated partial agenesis of the posterior arch of the atlas was initially considered a benign variation without any clinical or pathological significance. There is, however, increasing evidence that neurological symptoms may occur after minor cervical trauma in patients with a...
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ورودعنوان ژورنال:
- Radiology
دوره 103 3 شماره
صفحات -
تاریخ انتشار 1972