Cases reported "Spondylolysis"

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1/25. Imaging features of cervical spondylolysis--with emphasis on MR appearances.

    AIM: To describe the imaging features of cervical spondylolysis, with emphasis on magnetic resonance imaging (MRI) appearances. MATERIALS AND methods: The clinical and imaging features (plain radiographic, CT and MRI) of three patients with cervical spondylolysis were reviewed. RESULTS AND CONCLUSIONS: Three cases of C6 cervical spondylolysis have been described and the world literature reviewed. The plain radiographic features in two cases with bilateral defects showed spondylolisthesis and abnormalities of the pars and adjacent facet joints. CT demonstrated well corticated defects and associated spina bifida occulta in all cases. The defects were seen in only one case on MRI but in all cases, absence of the spinous process of C6 was noted on sagittal sequences due to the spina bifida occulta. Cervical spondylolysis is an uncommon condition that must be distinguished from an acute fracture and diagnosed radiologically to prevent mismanagement. Although the defect may be difficult to identify on MRI, absence of the spinous process on sagittal sequences should raise the suspicion of the abnormality.
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ranking = 1
keywords = fracture
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2/25. Iatrogenic spondylolysis leading to contralateral pedicular stress fracture and unstable spondylolisthesis: a case report.

    STUDY DESIGN: A case report of iatrogenic spondylolysis as a complication of microdiscectomy leading to contralateral pedicular stress fracture and unstable spondylolisthesis. OBJECTIVE: To improve understanding of this condition by presenting a case history and roentgenographic findings of a patient that differ from those already reported and to propose an effective method of surgical management. methods: A 67-year-old woman with no history of spondylolysis or spondylolisthesis underwent an L4-L5 microdiscectomy for a left herniated nucleus pulposus 1 year before the current consultation. For the preceding 8 months, she had been experiencing low back and bilateral leg pain. Imaging studies revealed a left L4 spondylolytic defect and a right L4 pedicular stress fracture with an unstable Grade I spondylolisthesis. RESULTS: The patient was treated with posterior spinal fusion, which resulted in complete resolution of her clinical and neurologic symptoms. CONCLUSIONS: Iatrogenic spondylolysis after microdiscectomy is an uncommon entity. However, it can lead to contralateral pedicular stress fracture and spondylolisthesis, and thus can be a source of persistent back pain after disc surgery. Surgeons caring for these patients should be aware of this potential complication.
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ranking = 25.331744335751
keywords = stress fracture, fracture
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3/25. Cervical spondylolysis in children: is it posttraumatic?

    Cervical spondylolysis is a rare defect of unknown etiology. Five cases of cervical spondylolysis as well as two cases of fractures of the pedicles of C2 in infants are presented. Comparison of the cases suggests that a fracture at birth or in infancy may be the cause of some cases of cervical spondylolysis.
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ranking = 2
keywords = fracture
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4/25. Pedicular stress fracture in lumbar spine.

    The purpose of this article is to report two cases of pedicular stress fracture of the lumbar spine, which is an uncommon cause of low back and leg pain. The relevant literature is reviewed and features of the cases that differ from those already reported are highlighted. One of our cases of pediculolysis is the first in the literature for that is caused by rotational instability induced by laminectomy. The remodeling of the fractured pedicle was striking when compared with its normal counterpart. To the authors' knowledge, this is the first report of a pediculolysis with T2-weighted imaging findings. In addition, we report the computed tomographic (CT) and magnetic resonance (MR) imaging findings of a healed pediculolysis that has not been reported previously.
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ranking = 19.094103096965
keywords = stress fracture, fracture
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5/25. pycnodysostosis associated with spondylolysis.

    We report 23 years of observation of a patient with pycnodysostosis associated with progressive spondylolysis. There have been very few papers describing the development of spondylolysis associated with pycnodysostosis as confirmed by serial X-ray examinations. The diagnosis was made by the patient's typical bird-like face, plain radiological findings, and repeated tibial fractures. At the age of 8 years, spondylolysis of L4 was observed. The spondylolysis had increased in number to 4 by the age of 24 years, that is, L2 through L5.
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ranking = 1
keywords = fracture
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6/25. Bilateral spondylolysis and associated dysplasia of C6.

    Cervical spondylolysis is a rare condition, characterised by the presence of a corticated cleft between the superior and inferior articular facets of the articular mass (1). This defect involves the cervical equivalent of the pars interarticularis of the lumbar spine. Associated dysplastic changes are present, suggesting that the lesion is congenital (1 and 2). This case report describes bilateral spondylolysis and associated dysplasia of C6 in an 18 year old female. The importance of this lesion lies in its differentiation from the more serious articular mass fracture or dislocation (1).
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ranking = 1
keywords = fracture
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7/25. Failure of operative treatment in a fast bowler with bilateral spondylolysis.

    Modern day fast bowling places immense strain on the spine. Stress fractures of the lumbar region are common. If a period of conservative treatment fails to return a fast bowler to professional sport, surgery is considered. Good results have been reported using a direct screw repair of the spondylolytic defect. A case is presented of a failed surgical intervention with an alternative technique.
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ranking = 1
keywords = fracture
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8/25. Dissociation between back pain and bone stress reaction as measured by CT scan in young cricket fast bowlers.

    BACKGROUND: Bone stress reaction is prevalent among cricket fast bowlers. Few studies have addressed the sensitivity and specificity of imaging for diagnosis, and follow up assessment has been poorly investigated. OBJECTIVE: To determine whether there was an association between back pain and bone stress reaction as measured by computed tomography (CT) scan in young cricket fast bowlers. methods: Ten young cricket fast bowlers were included in the study. Nine bowlers presented to a physiotherapy practice with low back pain and were later diagnosed with lumbar stress fractures, while one was an experienced bowler with no pain. All players had a CT scan after presenting to the physiotherapy practice. Pain was assessed according to a subjective scale (0-10) where 10 represented the player's subjective, maximum pain score. Recovery and rehabilitation of all players was monitored until they returned to full participation. RESULTS: There was no consistency in the relationship between pain and CT scan results. For example, one subject had evidence of un-united stress fractures after 15 months of rest but had experienced moderate pain for only 2 weeks after the onset of symptoms, in contrast to another subject who had intermittent pain for 11 months even though CT scan showed multiple stress fractures ranging from partially healed to fully healed status at 3 months. CONCLUSION: There is dissociation between back pain and bone stress reaction as measured by CT scan. Therefore, CT scan does not provide objective evidence for ongoing management or decision concerning return to sport in cricket fast bowlers.
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ranking = 10.856461858179
keywords = stress fracture, fracture
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9/25. Cervical spondylolysis: a case report.

    Cervical spondylolysis is defined as a corticated cleft between the superior and inferior articular facets of the articular pillar, the cervical equivalent of the pars interarticularis in the lumbar spine. Of primary importance is its recognition to avoid confusion with more clinically significant abnormalities such as fracture or dislocation. This case report describes bilateral spondylolysis and associated dysplasia of C5 in a 31-year-old female. We describe the radiographic presentation of this anomaly, stressing the importance of computed tomography for correct diagnosis. A review of the literature on this interesting abnormality and a complete differential diagnosis are presented.
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ranking = 1
keywords = fracture
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10/25. Rare bilateral C6 spondylolysis and spondylolisthesis in an adolescent athlete: evaluation with magnetic resonance imaging and multidetector computerized tomography.

    STUDY DESIGN: Case report. OBJECTIVE: To show a rare case of cervical spondylolysis and spondylolisthesis secondary to bilateral stress fractures at the pedicle laminar junction of C6 in a 16-year-old athlete playing high school baseball. SUMMARY OF BACKGROUND DATA: The patient presented with 3 months of neck pain and intermittent right arm radicular symptoms. methods: Plain radiographs and multidetector computerized tomography (CT) of the cervical spines. RESULTS: Plain radiographs revealed loss of lower cervical lordosis. Multidetector CT indicated bilateral C6 spondylolysis. magnetic resonance imaging showed bilateral marrow edema at the pedicle laminar junction of C6. Treatment included placing his neck in a philadelphia collar for 6 weeks. Follow-up CT revealed progression of healing. CONCLUSION: early diagnosis and appropriate management of these cases are important to promote healing.
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ranking = 3.618820619393
keywords = stress fracture, fracture
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