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MR imaging-guided cryoablation of metastatic brain tumours: initial experience in six patients.

Abstract：

OBJECTIVE:The objective was to evaluate the initial experience and safety of magnetic resonance imaging (MRI)-guided transcranial cryoablation in cystic metastatic brain tumours. MATERIAL AND METHODS:Seven cystic metastatic brain tumours in six patients were treated with cryoablation. The approval from the local ethics committee and individual patient consent were acquired before the study. Before the procedure the tumours were detected with conventional CT or MRI. The procedure was performed under local anaesthesia and conscious sedation. A 0.23-T open MRI system with optical tracking was used for procedural planning, instrument guidance and procedural monitoring of the ice ball formation. An MR-compatible, argon-based cryoablation system was used. The schedule of follow-up imaging ranged from 12 days to 12 months. RESULTS:Seven treatment sessions were performed. All the cryoprobes were successfully inserted into the target with one pass. All the patients tolerated the procedure well without experiencing any neurological deficits during the treatment phase or during the immediate post-treatment period. One patient died 12 days after cryoablation. CONCLUSION:MR-guided and monitored metastasis brain tumour cryoablation is technically feasible and may represent an alternative treatment in selected patients.

journal_name

Eur Radiol

journal_title

European radiology

authors

Li C,Wu L,Song J,Liu M,Lv Y,Sequeiros RB

doi

10.1007/s00330-009-1554-8

subject

Has Abstract

pub_date

2010-02-01 00:00:00

pages

404-9

issue

2

eissn

0938-7994

issn

1432-1084

journal_volume

20

pub_type

临床试验,杂志文章

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