Osteonecrosis of the femoral head

Case contributed by Dr Sally Ayesa

Presentation

Radiograph for hip replacement planning

Patient Data

Age: 50 years
Gender: Male
X-ray

Pelvic and left hip x-ray

There is linear subchondral lucency in the left femoral head, seen best on the oblique projection ("cresent sign"). There is irregularity of the left femoral head articular surface. 

Case Discussion

This patient was known to have avascular necrosis/osteonecrosis of the left femoral head, and went on to a successful left total hip replacement. They were found to be osteoporotic on pathology examination of bone fragments. 

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Case information

rID: 88367
Published: 5th Apr 2021
Last edited: 6th Apr 2021
Inclusion in quiz mode: Included
Institution: Gosford Hospital

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