Fracture of a BIOLOX Delta Ceramic Femoral Head Articulating Against a Polyethylene Liner

by Anneliese D. Heiner, and Craig R. Mahoney

JBJS Case ConnectVolume 4(4):e97October 22, 2014

©2014 by The Journal of Bone and Joint Surgery, Inc.

Radiograph of the ceramic-on-polyethylene total hip arthroplasty at three and one-half months after the primary surgery.

Anneliese D. Heiner, and Craig R. Mahoney JBJS Case Connect 2014;4:e97

©2014 by The Journal of Bone and Joint Surgery, Inc.

Radiograph of the ceramic-on-polyethylene total hip arthroplasty showing radiodense material (white arrows) inferior to the femoral head and radiodense fragments (black arrows) lateral to the

head.

Anneliese D. Heiner, and Craig R. Mahoney JBJS Case Connect 2014;4:e97

©2014 by The Journal of Bone and Joint Surgery, Inc.

Subsequent CT images illustrating fracture of the femoral head.

Anneliese D. Heiner, and Craig R. Mahoney JBJS Case Connect 2014;4:e97

©2014 by The Journal of Bone and Joint Surgery, Inc.

Anneliese D. Heiner, and Craig R. Mahoney JBJS Case Connect 2014;4:e97

©2014 by The Journal of Bone and Joint Surgery, Inc.

Fragments of the fractured head (smaller pieces not shown).

Anneliese D. Heiner, and Craig R. Mahoney JBJS Case Connect 2014;4:e97

©2014 by The Journal of Bone and Joint Surgery, Inc.

Close-up of embedded ceramic fragments in the liner (scale bar = 2 mm).

Anneliese D. Heiner, and Craig R. Mahoney JBJS Case Connect 2014;4:e97

©2014 by The Journal of Bone and Joint Surgery, Inc.

Trunnion damage on the femoral stem.

Anneliese D. Heiner, and Craig R. Mahoney JBJS Case Connect 2014;4:e97

©2014 by The Journal of Bone and Joint Surgery, Inc.

Radiograph of the ceramic-on-polyethylene total hip arthroplasty after revision for ceramic head fracture, with residual ceramic fragments (white arrows) inferior to the cup.

Anneliese D. Heiner, and Craig R. Mahoney JBJS Case Connect 2014;4:e97

©2014 by The Journal of Bone and Joint Surgery, Inc.