MR Arthrography in the Differential Diagnosis of Type II Superior Labral Anteroposterior Lesion and Sublabral Recess
Wook Jin1,
Kyung Nam Ryu2,
Se Hwan Kwon2,
Yong Girl Rhee3 and
Dal Mo Yang1
1 Department of Radiology, East-West Neo Medical Center, Kyung Hee University,
Seoul 134-727, South Korea.
2 Department of Diagnostic Radiology, Kyung Hee University Hospital, 1
Hoeki-dong Dongdaemun-gu, Seoul 130-702, South Korea.
3 Department of Orthopedic Surgery, Kyung Hee University Hospital, Seoul
130-702, South Korea.

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Fig. 1A Extension of high signal intensity. 20-year-old man with type
II SLAP lesion. Fat-saturated oblique coronal T1-weighted MR image shows high
signal intensity (arrow) at insertion site of biceps tendon.
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Fig. 1B Extension of high signal intensity. Fat-saturated oblique
coronal T1-weighted MR image posterior to A. Arrow indicates high
signal intensity.
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Fig. 1C Extension of high signal intensity. Fat-saturated oblique
coronal T1-weighted MR image posterior to B shows high signal intensity
(arrow) in posterior third of superior labrum.
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Fig. 1D Extension of high signal intensity. 20-year-old man with
sublabral recess. Fat-saturated oblique coronal T1-weighted MR image shows
small notching (arrow) at insertion site of biceps tendon.
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Fig. 1E Extension of high signal intensity. Fat-saturated oblique
coronal T1-weighted MR image posterior to D.
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Fig. 1F Extension of high signal intensity. Fat-saturated oblique
coronal T1-weighted MR image posterior to E shows high signal intensity
not extending to posterior portion of superior labrum.
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Fig. 2A Direction of high signal intensity. 19-year-old man with type
II SLAP lesion. Fat-saturated oblique coronal T1-weighted image shows high
signal intensity (arrow) of superior labrum is pointed laterally.
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Fig. 2B Direction of high signal intensity. 26-year-old man with
sublabral recess. Fat-saturated oblique coronal T1-weighted image shows
medially pointed high signal intensity (arrow).
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Fig. 3A Shape of high signal intensity. 21-year-old man with type II
SLAP lesion. Fat-saturated oblique coronal T1-weighted image shows globular
and irregular high signal intensity (arrow) in superior labrum.
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Fig. 3B Shape of high signal intensity. 28-year-old man with
sublabral recess. Fat-saturated oblique coronal T1-weighted image shows
bandlike high signal intensity (arrow) with smooth margin.
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Fig. 4A Presence of concomitant anterosuperior labral tear.
19-year-old man with type II SLAP lesion. Fat-saturated axial T1-weighted
image shows concomitant tear (arrows) of anterosuperior labrum.
Serial images did not show Buford complex.
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Fig. 4B Presence of concomitant anterosuperior labral tear.
22-year-old man with sublabral recess. Fat-saturated axial T1-weighted image
shows no concomitant tear.
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Fig. 5A Presence of anteroposterior extension of high signal
intensity in superior labrum. 24-year-old man with type II SLAP lesion.
Fat-saturated axial T1-weighted image shows anteroposterior extension
(arrows) of high signal intensity in superior labrum.
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Fig. 5B Presence of anteroposterior extension of high signal
intensity in superior labrum. 26-year-old man with sublabral recess.
Fat-saturated axial T1-weighted image shows no anteroposterior extension.
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Copyright © 2006 by the American Roentgen Ray Society.