MR imaging of idiopathic intracranial hypertension.
نویسندگان
چکیده
We report the case of a 9-year-old male patient with idiopathic intracranial hypertension without papilledema for which MR imaging of the optic nerves and pituitary gland provided important clues for the diagnosis of idiopathic intracranial hypertension and showed a return to normal appearance after normalization of CSF pressure.
منابع مشابه
Increased brain water self-diffusion in patients with idiopathic intracranial hypertension.
PURPOSE To investigate changes in brain water diffusion in patients with idiopathic intracranial hypertension. METHODS A motion-compensated MR pulse sequence was used to create diffusion maps of the apparent diffusion coefficient (ADC) in 12 patients fulfilling conventional diagnostic criteria for idiopathic intracranial hypertension and in 12 healthy volunteers. RESULTS A significantly lar...
متن کاملVolumetric assessment of optic nerve sheath and hypophysis in idiopathic intracranial hypertension.
BACKGROUND AND PURPOSE Idiopathic intracranial hypertension is a headache syndrome characterized by increased CSF pressure. Compression of the hypophysis and distension of the optic nerve sheath are reliable imaging signs. The purpose of the study was to validate, in patients with idiopathic intracranial hypertension, MR imaging-based volumetric measurements of the optic nerve sheath and hypoph...
متن کاملMR venography in idiopathic intracranial hypertension: unappreciated and misunderstood.
BACKGROUND Venous sinus disease must be excluded before diagnosing idiopathic intracranial hypertension but is found only rarely in typical cases. Magnetic resonance venography (MRV) is the technique of choice for investigating this, and provides images that are diagnostic and easy to interpret. However, recent work using more invasive techniques has documented pressure gradients and stenoses i...
متن کاملVascular etiology of intracranial hypertension.
We would like to thank the author of the Letter to the Editor for taking the time to comment on our study. Indeed Degnan et al. recommended the MR venography for detecting cerebral venous sinus thrombosis, but in cases of pseudotumor cerebri. They wrote: “some cases of IIH (idiopathic intracranial hypertension) have identifiable etiology, such as dural venous stenosis, which has been implicated...
متن کاملAutomated quantitation of the posterior scleral flattening and optic nerve protrusion by MRI in idiopathic intracranial hypertension.
BACKGROUND AND PURPOSE Subjective determination of the posterior sclera flattening and optic nerve protrusion in MRI is challenging because of the 3D nature of the globe morphology. This study aims to develop and compare quantitative measures of globe flattening and optic nerve protrusion with subjective rating, and assess relationships with papilledema grade and intraocular and CSF pressures. ...
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ورودعنوان ژورنال:
- AJNR. American journal of neuroradiology
دوره 22 1 شماره
صفحات -
تاریخ انتشار 2001