Prevalence and Location of Acetabular Sublabral Sulci at Hip Arthroscopy with Retrospective MRI Review
Daniel Saddik1,2,
John Troupis2,3,
Phillip Tirman4,
John O'Donnell5 and
Robert Howells5
1 Department of Radiology, The Northern Hospital, 185 Cooper St., Epping,
Victoria 3076, Australia.
2 Symbion Health Limited, Melbourne, Victoria, Australia.
3 Department of Radiology, The Epworth Hospital, Richmond, Victoria,
Australia.
4 California Pacific Medical Center, San Francisco, CA.
5 Orthopedic Clinic and Mercy Health, East Melbourne, Victoria, Australia.

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Fig. 1A 49-year-old woman with anterosuperior labral sulcus that was
preoperatively misinterpreted as labral tear. Oblique axial T1-weighted image
obtained after intraarticular injection of gadolinium shows partial detachment
of anterosuperior labrum from adjacent cartilage (arrow).
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Fig. 1B 49-year-old woman with anterosuperior labral sulcus that was
preoperatively misinterpreted as labral tear. Coronal T2-weighted image
obtained after intraarticular injection of gadolinium shows partial detachment
of anterosuperior labrum from adjacent cartilage (arrow).
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Fig. 1C 49-year-old woman with anterosuperior labral sulcus that was
preoperatively misinterpreted as labral tear. Arthroscopy image corresponding
to A and B shows sharply defined labrum (L) with adjacent sulcus
(arrow) between labrum and cartilage (A).
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Fig. 2 28-year-old man with posteroinferior labral sulcus that was
not commented on preoperatively. Oblique axial T1-weighted image obtained
after intraarticular injection of gadolinium shows partial detachment of
posteroinferior labrum from adjacent cartilage (arrow).
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Fig. 3 40-year-old man with posterosuperior labral sulcus that was
not commented on preoperatively. Coronal proton density-weighted image reveals
partial detachment of posterosuperior labrum from adjacent cartilage
(arrow).
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Fig. 4A 25-year-old man with anterosuperior labral tear. Coronal T2
fat-saturated image shows partial detachment of anterosuperior labrum from
adjacent cartilage (short arrow). Note subtle marrow edema of
adjacent acetabulum (long arrow).
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Fig. 4B 25-year-old man with anterosuperior labral tear. Arthroscopy
image corresponding to A shows torn detached labrum (arrow)
from acetabular cartilage (A).
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Copyright © 2006 by the American Roentgen Ray Society.