![Picture](/uploads/2/6/2/0/26206592/ecc-pol2.png?250)
Standard 135 degree reverse polyethylene insert combined with a neutral humeral stem in satisfactory coronal canal position
![Picture](/uploads/2/6/2/0/26206592/ecc-poly-4_orig.png)
- a medial stem and neutral polyethylene insert may
The coronal position of the stem may not be controlled especially in stemless and short stemmed implants.
In the ' at risk' patient:
A high neck cut and varus stem may result in acromial stress fracture.
A combined lateralized glenosphere and humerus may result in acromial stress fracture.
A modular inlay stem may be helpful
- increase medial COR,
- lateralize the stem;
- overstuff the joint
- tighter reduction
- medial calcar fracture
- increase deltoid wrap
The coronal position of the stem may not be controlled especially in stemless and short stemmed implants.
In the ' at risk' patient:
A high neck cut and varus stem may result in acromial stress fracture.
A combined lateralized glenosphere and humerus may result in acromial stress fracture.
A modular inlay stem may be helpful