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Anterior cervical discectomy and fusion (ACDF) is a choice of surgical procedure for cervical degenerative diseases associated with radiculopathy or myelopathy. However, the patients undergoing ACDF still have problems. The purpose of the present study is to evaluate the radiologic results of 3 different methods in single-level ACDF.
We conducted a retrospective collection of radiological data from January 2011 to December 2014. A total of 67 patients were included in this study. The patients were divided into 3 groups by operation procedure: using stand-alone cage (group cage, n=20); polyether-ether-ketone (PEEK)-titanium combined anchored cage (group AC, n=21); and anterior cervical cage-plate (group CP, n=26). Global cervical lordosis (C2-C7 Cobb angle), fused segment height, fusion rate, and cervical range of motion (ROM) were measured and analyzed at serial preoperative, postoperative, 6-month, and final 1-year follow-up.
Successful bone fusion was achieved in all patients at the final follow-up examination; however, the loss of disc height over 3 mm at the surgical level was observed in 6 patients in group cage. Groups AC and CP yielded significantly better outcomes than group cage in fused segment height and cervical ROM(p=0.01 and p=0.02, respectively). Furthermore, group AC had similar radiologic outcomes to those of group CP.
The PEEK-titanium combined anchored cage may be a good alternative procedure in terms of reducing complications induced by plate after ACDF.
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Spontaneous spinal epidural hematoma (SSEH) has been reported as a rare cause of spinal cord compression, especially in children. Clinical features are usually nonspecific, although cervicothoracic location of hematoma could be presented with progressive paraplegia. Guillian-Barré syndrome (GBS) is clinically defined as an acute peripheral neuropathy causing progressive limb weakness. Because SSEH and GBS have very similar signs and symptoms, SSEH could be misdiagnosed as GBS. Nevertheless, they can be presented together. We describe a rare case of SSEH coexisting with GBS.
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A 57-year-old man complained of severe lower back pain and radicular pain in both legs for 1 week after falling from a ladder. Magnetic resonance imaging (MRI) of the spine showed a subdural hematoma (SDH), which was surgically removed. The patient had no back pain or the radicular leg pain at 2 weeks post-surgery. However, he complained of diffuse headaches upon follow-up. Brain computed tomography (CT) and MRI revealed an intracranial SDH, which was immediately removed by surgery. During his 1-year follow-up, he reported that the pain had resolved without recurrence. Simultaneous spinal and intracranial SDH are rare and no standard treatment exists for this condition. This case suggests that it is possible that an intracranial SDH can migrate into the cerebrospinal fluid (CSF) space through an arachnoid tear. CSF circulation allows the intracranial SDH to enter subarachnoid spaces encasing the spinal cord. In order to prevent irreversible damage, surgical intervention should be considered for case of spinal SDH with progressive neurological deficits.
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The purpose of this study is to evaluate clinical and radiological outcomes analysis of the laminoplasty in the elderly patients, and to compare with the non-elderly patients.
A retrospective study of the short term result in patients who had treated with the laminoplasty for cervical spondylotic myelopathy (CSM) was performed. From January 2008 to December 2012, total 62 patients were operated with single open-door technique because of CSM; 28 patients were the elderly and 34 patients were the non-elderly. We evaluated some factors including sex, symptom duration, estimated blood loss during operation, operation time, hospitalization day, complications, pre- and postoperative modified Japanese Orthopedic Association (mJOA) score, recovery rate of mJOA score, achieved mJOA score, mean cervical canal width and expansion ratio of antero-posterior diameter in order to identify difference between the two group. Clinical outcomes were calculated with the recovery rate of mJOA score at the time of one year after operation.
Mean age were 71.9 in the elderly group and 52.9 in the non-elderly group. Although postoperative mJOA score in the elderly group was lower than that of the non-elderly group, achieved mJOA score was statistically same between the two groups. Other clinical and radiological outcomes were also statistically same.
We conclude that the laminoplasty also assures good clinical outcomes in the elderly patients with CSM, same as in the non-elderly group.
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Ganglioneuroma is an uncommon benign tumor and arise from neural crest cells or sympathetic and peripheral nerves. A 13-year-old boy was referred to our institute and presented with three-day history of right upper extremity weakness associated with neck pain for nearly one month. Magnetic resonance imaging showed right side dumbbell shaped extramedullary lesion at the C2-3 level extending outside through neural foramen. Paraspinal and posterior neck mass, cafe au lait spot was identified. We performed surgical decompression of the spinal cord by resection of intradural portion mass. Histopathological diagnosis was ganglioneuroma.
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The objective of this study was to evaluate and compare the diagnostic value of the open biopsy technique and the percutaneous biopsy techniques in lumbar spondylodiscitis.
Between January 2004 and December 2009, we retrospectively reviewed the medical records of 57 patients with infectious lumbar spondylodiscitis. The etiologic diagnosis of the infectious spondylodiscitis was obtained by two methods. Of 57 cases, twenty-seven patients underwent open biopsy and thirty patients underwent percutaneous needle biopsy including computed tomography (CT) - guided and fluoroscopy-guided needle aspiration. All biopsies were performed by experienced two neurosurgeons and one interventional radiologist.
Of the 57 cases radiologically consistent with spinal infection, 29 (50.9%) biopsy specimens resulted in positive cultures and 28 (49.1%) returned negative cultures. According to the type of biopsy techniques, the culture-positive rate was higher (p=0.005) in the open biopsy group than the percutaneous needle biopsy group. 19 (70.4%) of 27 biopsy specimens were positive in the open biopsy group, and 10 (33.3%) of 30 biopsy specimens were positive in the percutaneous needle biopsy group. Furthermore, the open biopsy showed higher positive culture rate than the percutaneous needle biopsy in cases with administration of empirical antibiotics although there was no statistically significant (p=0.137).
Open biopsy should be considered for administration of organism-specific antibiotics for the successful treatment when percutaneous needle yield negative result. Furthermore, empirical antibiotics should be delayed until results of cultures unless the patient is severely septic, critically ill, neutropenic or neurologically compromised.
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