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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Ultrason
2012 ; 12
(50
): 329-41
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The use of ultrasound in the assessment of the glenoid labrum of the glenohumeral
joint Part II: Examples of labral pathologies
#MMPMID26672471
Krzy?anowski W
; Tarczy?ska M
J Ultrason
2012[Sep]; 12
(50
): 329-41
PMID26672471
show ga
Labral pathologies of the glenohumeral joint are most commonly caused by trauma.
The majority of lesions affect the anterior part of labrum, resulting from much
higher frequency of anterior shoulder dislocations over posterior ones. Another
subgroup of labral lesions, not directly related to joint instability, are SLAP
tears. Other findings include degenerative changes of labrum and paralabral
cysts. Diagnostic imaging is crucial for making a decision regarding operative
treatment. Apart from a standard X-ray examination, the imaging mainly relies on
magnetic resonance or computed tomography arthrography. Based on their own
experience, the authors propose the use of ultrasound in the assessment of labral
tears of the glenohumeral joint. Different signs indicating labral pathology may
be discovered and assessed during ultrasound examination. They include permanent
displacement of the labrum onto the glenoid, labral instability during dynamic
examination, lack of the labrum in the anatomical position, hypoechoic zone at
the base of the labrum >2 mm in width, residual or swollen labrum as well as
paralabral cyst(s). The most frequent appearance of labral pathology is
displacement of the anteroinferior labrum onto the external aspect of the glenoid
typically seen after anterior shoulder dislocation. The another most important US
feature is labral instability while dynamically examined. The swelling or reduced
size of the labrum usually indicates degeneration. This article presents
sonographic images of selected labral pathologies.