منابع مشابه
Vertical fractures of the dens.
PURPOSE To establish the mechanism of injury that causes vertical fractures of the dens. METHODS Over a 3-year period, 30 patients with dens fractures were seen at our institution. From these records, we identified and retrospectively reviewed the radiographs (n = 3), CT scans (n = 3), and MR images (n = 1) of three patients with vertical fractures of the dens to assess the characteristics of...
متن کاملCrowned dens syndrome.
acute fever, occipital pain and neck stiffness. His medical history included pseudogout of the right knee, which was confirmed by the presence of chondrocalcinosis on a radiograph and calcium pyrophosphate dihydrate crystals in fluid obtained by arthrocentesis. His mentation was normal, and he had limited cervical motion in all directions. His erythrocyte sedimentation rate was 100 mm/h, and hi...
متن کاملCrowned dens syndrome mimicking meningitis.
A 78-year-old woman presenting with fever and occipital headache was referred to our service with suspicion of meningitis. Neurological examination was normal except for cervical stiffness. CRP level was increased to 18.7 mg/dl. Cerebrospinal fluid examination was normal. Cervical CT image at C1/C2 level showed right dominant semicircular calcifications posterolateral to the odontoid process (d...
متن کاملDiagnosis and management of a maxillary lateral incisor exhibiting dens invaginatus and dens evaginatus.
This case report, involving an indigenous Australian, presents the diagnosis and non-surgical endodontic management of a 22 with developmental abnormalities. They include a dens evaginatus and a dens invaginatus that extends to an apical burst in a second truncated root. Cone-beam computed tomography and endodontic microscopy were not available to the clinician. This case report focuses on ambi...
متن کاملDens fracture or odontoid bone
Introduction During the embryological development the axis is formed from the proatlas, the C1 sclerotome and the C2 sclerotome. Failure of the odontoid process (C1 sclerotome) to fuse with the body of the axis (C2 sclerotome), or failure of the apex of the odontoid process (proatlas) to fuse with the main portion of the odontoid process has been advocated. The etiology of os odontoideum remain...
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2011
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.109-3808