Cine Magnetic Resonance Imaging of Aqueductal Stenosis

Overview

Journal Childs Nerv Syst

Specialty Pediatrics

Date 1995 Feb 1

PMID 7758008

Citations 8

Authors

C Kadowaki

M Hara

M Numoto

K Takeuchi

I Saito

Affiliations

Soon will be listed here.

Abstract

Cerebral aqueductal stenosis is one of the most common causes of congenital and acquired hydrocephalus, but the etiology, pathophysiology and cerebrospinal fluid (CSF) dynamics of aqueductal stenosis have yet to be clarified. Utilizing cardiac gated cine magnetic resonance (MR) imaging, we evaluated aqueductal configuration and pulsatile motion of brain and CSF flow stimulated by cardiac pulsation in five patients with non-tumoral aqueductal stenosis. Cine MR of four cases revealed obliteration of the aqueduct by thickening mesencephalic tectum, turbulent CSF flow in the III ventricle, and absence of flow-related signal void, which in all normal cases indicates CSF movement within the aqueduct. In the remaining fifth case, with proximal dilation of the aqueduct resulting from thinning of the tectum, distortion of caudal (distal) tectum related to pulsatile motion of the brain caused funnel-like narrowing of the aqueduct, leading to incomplete obstruction and the absence of upward CSF flow during diastole.

Citing Articles

Phase-contrast and three-dimensional driven equilibrium (3D-DRIVE) sequences in the assessment of paediatric obstructive hydrocephalus.

Mohammad S, Osman N, Khalil R Childs Nerv Syst. 2018; 34(11):2223-2231.

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Phase-contrast MRI and 3D-CISS versus contrast-enhanced MR cisternography on the evaluation of the aqueductal stenosis.

Algin O, Hakyemez B, Parlak M Neuroradiology. 2009; 52(2):99-108.

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Phase-contrast cine MRI versus MR cisternography on the evaluation of the communication between intraventricular arachnoid cysts and neighbouring cerebrospinal fluid spaces.

Algin O, Hakyemez B, Gokalp G, Korfali E, Parlak M Neuroradiology. 2009; 51(5):305-12.

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Evaluation of CSF flow patterns of posterior fossa cystic malformations using CSF flow MR imaging.

Yildiz H, Yazici Z, Hakyemez B, Erdogan C, Parlak M Neuroradiology. 2006; 48(9):595-605.

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Endoscopic aqueductoplasty in the treatment of aqueductal stenosis.

Schroeder H, Oertel J, Gaab M Childs Nerv Syst. 2004; 20(11-12):821-7.

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