Thursday, October 27, 2016

Rocking horse glenoid loosening when humeral component is cemented too high

The most common malposition of a humeral component is 'too high' as shown in the films below. Revision is complicated if it is cemented in this position.

A too high humeral component typically leads to rocking horse loosening of the glenoid component as shown in this case.

Revision of a cemented humeral component and a failed glenoid component is always a challenge because of the difficulty in removing the humeral component and the loss of quality glenoid bone. Fortunately, our colleague, Winston Warme, was up to the challenge as shown below.