Ask the puffins - Posterior Shoulder Soreness

62 year old female

Posterior right shoulder soreness

Muscle weakness with abduction & exorotation

Arthro Ct of the shoulder after anterior injection of 8 ml iodine contrast

What is your diagnosis?

Axial 2mm slices (from cranial to caudal)

Coronal 2 mm slices of the posterior glenoid & labrum (from anterior to posterior)