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Minute amounts of intraarticular gas mimicking torn discoid lateral menisci
Author(s) -
Jordanov Martin I.,
Block John J.
Publication year - 2010
Publication title -
journal of magnetic resonance imaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.563
H-Index - 160
eISSN - 1522-2586
pISSN - 1053-1807
DOI - 10.1002/jmri.22082
Subject(s) - magnetic resonance imaging , artifact (error) , fibrocartilage , fast spin echo , anatomy , nuclear magnetic resonance , medicine , radiology , physics , osteoarthritis , computer science , pathology , alternative medicine , computer vision , articular cartilage
Presented are two cases of minute amounts of vacuum phenomena within the central portion of the lateral compartments of two knee joints, mimicking torn discoid lateral menisci. In each case, only the gradient echo images were able to correctly characterize the minute quantities of intraarticular gas by demonstrating “blooming” magnetic susceptibility artifact. The signal characteristics of the intraarticular gas were identical to those of fibrocartilage on all of the remaining routine, fast spin echo, “sports protocol” magnetic resonance imaging sequences. J. Magn. Reson. Imaging 2010;31:698–702. © 2010 Wiley‐Liss, Inc.