MRI and gross anatomy of the iliopsoas tendon complex.

MRI and gross anatomy of the iliopsoas tendon complex. Research Abstract Details 

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MRI and gross anatomy of the iliopsoas tendon complex. Abstract Text:

Joshua M Polster,Mohamed Elgabaly,Ho Lee,Alison Klika,Richard Drake,Wael Barsoum,

OBJECTIVE: The objective was to explain the anatomic basis of a longitudinal cleft of increased signal in the iliopsoas tendon seen on hip MR arthrograms. MATERIALS AND METHODS: A prospective review of 20 MR hip arthrograms was performed using standard and fat-suppressed T1-weighted images to establish whether or not the cleft was composed of fatty tissue and to define the anatomy of the iliopsoas tendon complex. Three cadaver dissections of the hip region were then performed for anatomic correlation. RESULTS: Fourteen out of 20 MR hip arthrograms demonstrated a longitudinal cleft of increased T1 signal adjacent to the iliopsoas tendon, which suppressed on frequency selective fat-suppressed images, indicating fatty composition. Gross anatomic correlation demonstrated this fatty cleft to represent a fascial plane adjacent to the iliopsoas tendon, in one case separating the iliopsoas tendon medially from a thin intramuscular tendon within the lateral portion of the iliacus muscle. Also noted was a direct muscular insertion of the lateral portion of the iliacus muscle onto the anterior portion of the proximal femoral diaphysis in all 3 cadavers. CONCLUSION: The anatomy of the iliopsoas tendon complex is more complicated than typically illustrated and includes the iliopsoas tendon itself attaching to the lesser trochanter, the lateral portion of the iliacus muscle attaching directly upon the anterior portion of the proximal femoral diaphysis, and a thin intramuscular tendon within this lateral iliacus muscle that is separated from the iliopsoas tendon by a cleft of fatty fascia that accounts for the MRI findings of a cleft of increased T1 signal.

MRI and gross anatomy of the iliopsoas tendon complex. Publishing Authors By Initials

JM Polster,M Elgabaly,H Lee,A Klika,R Drake,W Barsoum,

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MRI and gross anatomy of the iliopsoas tendon complex. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Skeletal radiology

VOLUME: 37

Page Numbers: 55-8

Journal Abbreviation: Skeletal Radiol.

ISSN: 0364-2348

DAY: 16

MONTH: 10

YEAR: 2007

MRI and gross anatomy of the iliopsoas tendon complex. Information

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LANGUAGE: eng

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AFFILIATION: Section of Musculoskeletal Radiology, Department of Radiology, Cleveland Clinic, 9500 Euclid Avenue, A21, Cleveland, OH, 44195, USA, polstej@ccf.org.

Country: Germany

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MEDLINETA: Skeletal Radiol

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