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JBR-BTR. 2013 Jan-Feb;96(1):10-6.

Extravertebral gas and fluid effusions associated with vertebral collapse containing a vacuum cleft possibly result from a pumping phenomenon: a new evidence of the dynamic hydro-pneumatical nature of the so-called vacuum phenomenon.

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  • 1Department of Diagnostic Radiology, Clinique St Luc, Rue St Luc 8, B-5004 Bouge (Namur), Belgium. bcoulier@skynet.be

Abstract

We report two very unusual observations in which gas and fluid effusions were transiently and unexpectedly found in the extravertebral spaces of patients presenting with painful necrotic vertebral collapse containing a vacuum cleft. We hypothesize that gas and/or fluid which progressively may replace vacuum in vertebral compression fractures could be secondarily pumped through extravertebral and retroperitoneal spaces. Although being rare, these observations may represent a potential missing link in the imaging snapshots of the cyclic and dynamic vacuum phenomenon.

PMID:
23610873
[PubMed - indexed for MEDLINE]
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