Vitamin B12 deficiency induced myelopathy: MRI findings
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Clinical and MRI manifestations of nitrous oxide induced vitamin B12 deficiency: A case report
A 50 year-old man was referred with history of acute ataxia and lower extremity paresthesia 10 days after general anesthesia with nitrous oxide. Cervical MRI showed long hypersignal lesion in posterior segment of the cord. Blood analysis revealed vitamin B12 deficiency. Nitrous oxide-induced myelopathy should be considered in patients who develop acute neurological manifestation after general a...
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2. Hathout L, El-Saden S. Nitrous oxide-induced B12 deficiency myelopathy: perspectives on the clinical biochemistry of vitamin B12. J Neurol Sci. 2011;301(1-2):1-8. https://doi.org/10.1016/j.jns.2010.10.033 3. Gupta PK, Gupta RK, Garg RK, Rai Y, Roy B, Pandey CM et al. DTI correlates of cognition in conventional MRI of normal-appearing brain in patients with clinical features of subacute combi...
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Subacute combined degeneration (SCD) is known as myelopathy due to vitamin B12 deficiency. SCD always involves the posterior and lateral columns of the spinal cord, with the neuropathologic change showing vacuolation of the white matter. We describe 2 patients who presented with ataxic gait, impaired proprioception over limbs, and even mental change due to vitamin B12 deficiency. Magnetic reson...
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CONTEXT Copper deficiency myelopathy represents an often underdiagnosed, acquired neurological syndrome, clinically characterized by posterior column dysfunction. The main causes of copper deficiency are bariatric surgery, increased consumption of zinc, and malabsorption. However, even after a careful history taking and extensive laboratory researches, the etiology of copper deficiency remains ...
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Schimana R, et al. BMJ Case Rep 2017. doi:10.1136/bcr-2017-222446 Description A 67-year-old man with a medical history of pancreatoduodenectomy (Whipple procedure) in September 2015 due to a pancreatic cancer was admitted to our department of neurology 1 year later with a progressively disturbed gait. He reported weakness and numbness of both legs. Clinical examination revealed a spastic sensom...
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