Clivus and dens
WebApr 27, 2016 · CT of the head revealed a hemorrhage along the dorsum sella, clivus, and dens (Fig. 1a, 1b). MRI brain and cervical spine were obtained to evaluate the hematoma and the craniocervical junction for signs of instability; the retroclival hematoma appeared in the subdural space and epidural space; there was T2 hyperintensity in atlanto-occipital ... WebThe clivus is located at the midline, in the deepest part of the skull base. It constitutes the inclined anteroinferior surface of the posterior cranial fossa and extends from the dorsum …
Clivus and dens
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WebDec 1, 2024 · The apical ligament extends from the dens to the clivus. The transverse band of the cruciform ligament is the main stabilizing ligament of atlantoaxial joint and passes behind the dens to attach to the lateral masses of the atlas. The ascending and descending bands of the cruciform ligament attach to the clivus and body of C2, respectively. WebMRI showed the lesion replacing the vertebral body and the dens, extending into the posterior elements via the pedicles and extracompartimentally both into the epidural ... on the clivus (one report). For reconstructions below C2, the reported strategies for fixation became the same as those used distally: at least two screws into the vertebral ...
WebJun 21, 2024 · The basion–dens interval is determined by measuring the distance between the basion (caudal tip of the clivus) and the highest point on the dens. The basion–axial interval is measured between the basion … WebCase presentation: An 8-year-old male was involved in a high-speed motor vehicle accident. He presented with a Glasgow Coma Score (GCS) of 14 with bilateral abducens nerve palsies. Computed tomography (CT) revealed a hemorrhage along the dorsum sella, clivus, and dens. Magnetic resonance imaging (MRI) demonstrated the retroclival hematoma in ...
WebNov 12, 2024 · The scans demonstrated a hemorrhage along the clivus and dens (Fig. 1). Furthermore, the images showed a right-fronto-temporal subdural haematoma. A fine-cut …
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WebWhen unstable, it often articulates with the anterior arch of C-1 independent of the base of the dens; atlanto-dental instability may also be seen [Figures 3 and 5]. A dystopic os odontoideum refers to an os that is not in the … irish rose tattoo pawcatuck ctWebBasion-dens interval and Power Ratio. The basion-dens interval is the distance between the tip of the clivus and dens (red line). A basion-dens distance of >12 mm on radiographs and >8.5 mm on CT is suggestive of … irish rose saloon rockfordWebDec 28, 2016 · The structures which form the central pillar are the dens, C2 vertebral body, and the clivus which is embryologically and functionally in vertical linearity with the central pillar. As already discussed, these structures arise from the centra of the proatlas and first two cervical sclerotomes. irish rose pub torontohttp://www.ajnr.org/content/ajnr/11/5/1015.full.pdf port city automotiveWebMethods: CDA, described an angle formed at the intersetion of a line that runs along the long axis of the clivus and one that runs along the long axis of the dens, was measured on mid-sagittal reconstructed CT images from 63 BI patients and 100 control participants to compare the two groups by using independent-sample t test. Interobserver ... irish roses songWebWhen unstable, it often articulates with the anterior arch of C-1 independent of the base of the dens; atlanto-dental instability may also be seen [Figures 3 and 5]. A dystopic os odontoideum refers to an os that is not in the expected anatomic location. Often, a dystopic os is fused to the basion (inferior margin of the clivus). port city bank bainbridge gaWebFeb 20, 2024 · The odontoid process, also known as the dens, is an upward projectile of bone that arises from the front part of the center of the axis vertebra. (The axis is the 2nd highest spinal bone.) The atlas is the first … port city bata