BACKGROUND AND PURPOSE:Brain proton MR spectroscopy ( 1 H-MR spectroscopy) is a useful technique for evaluating neuronal/axonal damage and demyelization in multiple sclerosis (MS). Because MS disability is frequently related to spinal cord lesions, potential markers for MS stage differentiation and severity would require in vivo quantification of spinal integrity. However, few spectroscopy studies have investigated cervical disease due to technical difficulties. The present study used 3T 1 H-MR spectroscopy to measure the main metabolites in cervical spinal cord plaques of a group in patients with relapsing-remitting MS (RRMS) and compared them with metabolite measurements in healthy volunteers.
The sellar spine is a rare congenital malformation due to the persistence of a notochord rest within the fetal sella turcica. We describe a unique case of a sellar spine vertically oriented displacing the pituitary stalk upwards and forwards. The MRI findings are briefly discussed.
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