نتایج جستجو برای: vertebral geometry
تعداد نتایج: 172619 فیلتر نتایج به سال:
BACKGROUND The presence of vertebral fractures affect variations in the termination level of conus medullaris (TLCM) and alter neurological findings. However, few studies have examined association between vertebral fractures, TLCM, and neurological findings. Thus, we herein studied the number and severity of vertebral fractures, TLCM, and neurological findings to clarify the mechanism of neurol...
BACKGROUND Osteoporotic fractures, including clinically detected vertebral fractures, are associated with increased mortality. However, only one third of vertebral fractures are diagnosed. It is unknown whether vertebral fractures, whether clinically apparent or not, are associated with greater mortality. OBJECTIVES To test the hypothesis that women with prevalent vertebral fractures have gre...
A method has been developed for the objective assessment of vertebral 'squaring' based on quantitative morphometric analysis of vertebral 'concavity' in lateral radiographs of the lumbar spine. The reference range for vertebral concavity was defined as greater than 1.0-4.0 mm from measurements of 255 radiologically normal lumbar vertebrae in 51 patients with non-specific back pain. Evidence of ...
BACKGROUND AND PURPOSE During clinical work, we have seen increases in vertebral body height associated with vertebroplasty, but our literature search revealed no reports as to how often and to what degree those increases occur. The purpose of this study was to document the frequency and degree of changes in vertebral body height after vertebroplasty. METHODS The heights of 85 vertebral bodie...
Vertebral artery hypoplasia is not currently considered an independent risk factor for stroke. Emerging evidence suggest that vertebral artery hypoplasia may contribute to posterior circulation ischemic events, especially when other risk factors coexist. In the present literature review, we present published data to discuss the relationship between a hypoplastic vertebral artery and posterior c...
Vertebral augmentation is a minimally invasive but sometimes technically challenging intervention typically reserved for the treatment of older patients with painful vertebral compression fractures due to osteoporosis or neoplasms. We report the successful treatment of osteoporotic vertebral compression fractures of the first lumbar vertebral body (L1) using kyphoplasty in a paraplegic young pa...
We present a case of vertebral osteomyelitis presenting as chest pain. The patient initially underwent a CT chest angiogram to rule out a pulmonary embolism, which incidentally showed a soft tissue vertebral mass at T3-T4 disk space. Subsequent thoracic vertebral MRI was consistent with osteomyelitis with cord compression. Tissue culture from a CT-guided biopsy grew MRSA. The patient was succes...
Six cases of unclippable vertebral aneurysms were treated by therapeutic occlusion of the proximal vertebral artery. In three cases, the vertebral artery was clipped proximal to the posterior inferior cerebellar artery (PICA), and all of these patients had a postoperative embolic complication or a fatal subarachnoid hemorrhage. In two cases, the vertebral artery was clipped distal to the PICA a...
Traumatic vertebral arteriovenous fistulae (AVFs) are relatively uncommon lesions that often follow penetrating wounds of the neck or iatrogenic arterial trauma [1-7]. Such posttraumatic single-hole fistulae differ from congenital arteriovenous malformations, which are composed of multiple communications between the cervical arteries and an abnormal vascular nidus [8] . True single-hole vertebr...
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