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Tani Girisim Radyol. 2003 Jun;9(2):152-6.

[CSF connection of the intracranial cysts and cyst like lesions: Analysis with flow sensitive phase-contrast Cine MR imaging].

[Article in Turkish]

Author information

1
BURTOM-EMAR Radyoloji Tani Merkezi, Osmangazi, Bursa.

Abstract

PURPOSE:

To evaluate the potential role of ECG-gated flow sensitive phase contrast cine magnetic resonance (MR) imaging in detecting the communication between cystic intracranial lesions and neighboring cerebrospinal fluid (CFS) spaces.

MATERIALS AND METHODS:

Twenty one patients with intracranial cystic lesions (arachnoid cyst, 15; epidermoid cyst, 2; glioma, 1; dermoid cyst, 1; and mega cisterna magna, 2) underwent CSF flow studies in addition to the conventional MR sequences. MR imaging was performed with ECG gated two dimensional fast imaging steady-state precession sequence (2D-FISP). Using the cine images obtained per cardiac cycle, we tried to identify the communication between cysts or cyst-like structures and neighboring CSF spaces. Results were compared with intraoperative findings, computed tomography (CT) cisternography and scintigraphy.

RESULTS:

In 14 cystic lesions, no communication was identified. In five arachnoid cysts, a pulsatile CSF flow was seen in the cysts. In the two enlarged cisterna magnas there was a pulsatile flow coming from the central CSF spaces. All intraoperative, CT cisternography and scintigraphy findings were compatible with the results of the MR flow studies.

CONCLUSION:

Cine-mode MR imaging with ECG gated 2D phase contrast MR sequence technique is a reliable noninvasive alternative to CT cisternography for functional evaluation of the cystic lesions, because it enables visualization of the flow communication between cysts or cyst-like structures and neighboring CSF spaces.

PMID:
14661481
[Indexed for MEDLINE]
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