dural ectasia


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dural ectasia

A dilation of the membranes that line the lumbosacral spine, typically seen in patients with Marfan syndrome.
See also: ectasia
References in periodicals archive ?
Dural ectasia of the optic nerve is saccular dilatation of the nerve sheath.
In this case report, we present a patient with visual disturbances related with IHH associated with dural ectasia and monocular proprosis.
17,18) There are some common features of both diseases; however, there is no significant evidence suggesting the role of raised intracranial pressure in the etiology of the dural ectasia of the optic nerved (4,19) Although optic nerve sheath dilation is one of the radiological features of IIH, the enlargement of the optic nerve sheath to the degree we found in our patient is unusual.
Revised 2010 Ghent nosology uses dural ectasia as one of the systemic features used in diagnostic scoring.
5] Conservative management consisting of primarily observation is selected for patients with high surgical risk or in whom the dural ectasia is asymptomatic, small and unlikely to enlarge.
12 This has been speculated to be associated with the dural ectasias seen in SIH patients and is thought to relate to alterations in the elastin component of the dura resulting in the dilation of the dural sac due to CSF pulsation.
Lumbosacral dural ectasia visible by computed tomography (CT) or magnetic resonance imaging (MRI).
Dural ectasia was added to the list of the Ghent criteria because this condition is mainly limited to patients with Marfan syndrome and other connective tissue disorders.