Investig Magn Reson Imaging.  2019 Dec;23(4):381-384. 10.13104/imri.2019.23.4.381.

Susceptibility-Weighted MR Imaging for the Detection of Isolated Cortical Vein Thrombosis in a Patient with Spontaneous Intracranial Hypotension

• Kwon H
• Choi DS
• Jang J

• KMID: 2468056
• DOI: http://doi.org/10.13104/imri.2019.23.4.381

Abstract

Spontaneous intracranial hypotension (SIH) can be a rare risk factor of cerebral venous thrombosis. We describe a case of isolated cortical vein thrombosis (CVT) secondary to SIH and discuss the value of susceptibility-weighted imaging for the detection of isolated CVT.

Keyword

Spontaneous intracranial hypotension; Cerebral venous thrombosis; Magnetic resonance imaging; Susceptibility-weighted imaging

MeSH Terms

Humans
Intracranial Hypotension*
Magnetic Resonance Imaging*
Risk Factors
Thrombosis*
Veins*
Venous Thrombosis

Figure

• 

  Fig. 1 An age 26 female with a headache. (a) The non-contrast CT scan shows a hyperdense cortical vein at the left cerebral vertex (arrows). (b) The axial fluid-attenuated inversion recovery image reveals small subdural fluid collection at both anterior cerebral convexities (arrows). (c) The T2-weighted image of the cerebral vertex shows no definite abnormality. (d) The T1-weighted image reveals a hyperintense lesion in the cortical vein of the left cerebral vertex (arrows). (e) On the contrast-enhanced T1-weighted image, the thrombosed cortical vein is not enhanced (arrows). (f) The susceptibility-weighted minimum intensity projection (minIP) image shows a blooming artifact due to thrombus in and beyond the cortical vein (arrows).

• 

  Fig. 2 An age 26 female with a headache. (a, b) The initial CT venography. (c, d) The follow-up CT venography, 10 days later. (a) The noncontrast CT scan shows a hyperdense cortical vein at the left cerebral vertex (arrows). (b) On the source image of the CT venography, the cortical vein is not opacified (arrows). (c) The follow-up non-contrast CT scan reveals the thrombosed cortical vein as iso-density to the cerebral cortex (arrows). (d) On the follow-up CT venography, there is a filling defect in the thrombosed cortical vein (arrows).

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