Cam type femoro-acetabular impingement

Case contributed by Dr Bruno Di Muzio

Presentation

Martial arts fighter with hip pain.

Patient Data

Age: 31
Gender: Male

CT Pelvic bones

Modality: CT

There is a decreased offset of the femoral head-neck junction, which is the difference between the widest diameter of the femoral head and the most prominent part of the femoral neck, that appear as a lack of the normal wasting of the femoral head-neck junction. There is also a prominent lateral extension of the femoral head at the expected step-off to the adjacent femoral neck (femoral “bump”). 

Case Discussion

Femoro-acetabular impingement is a syndrome of painfully limited hip motion as result of certain types of underlying morphological abnormalities in the femoral head - neck region and / or surrounding acetabulum. On this case there is a osseous bump causing a CAM type impingement. 

This can lead to early degenerative disease.

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Case Information

rID: 25610
Case created: 31st Oct 2013
Last edited: 1st Sep 2015
Inclusion in quiz mode: Included

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