Acetabular labral tear

Case contributed by Dr Andrew Lawson

Presentation

Hip pain

Patient Data

Age: 36
Gender: Male
Modality: MRI

Mild T2 signal abnormality along the articular cartilage of the superior acetabulum with focal linear signal abnormality extending through the anterosuperior labrum (7 mm in width) with a small ganglion cyst extending into the iliopsoas bursa. A second focus of labral high signal is visible along the supero-posterior margin (11 mm in width). The femoral head neck offset is normal in the axial plane as measured by an also angle of approximately 38\XB0\. The alpha angle measured in the coronal plane demonstrates an abnormal head neck offset of approximately 60\XB0\. No subchondral cyst formation in the acetabulum or femoral head. The lateral centre edge angle is normal. No evidence of acetabular dysplasia or over coverage. No bony oedema.

CONCLUSION No inflammatory change. Likely focal chondromalacia (1 cm) superoposteriorly (sampson 3). Small focal chondrolabral tears anterosuperior and posterosuperiorly.

Modality: MRI

Key labelled images.

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Case Information

rID: 25422
Case created: 25th Oct 2013
Last edited: 10th Sep 2015
Inclusion in quiz mode: Included

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