Solve exciting clinical cases specific to your field of interest via Docplexus’ clinical case challenge. In this ‘Orthopedic Case Challenge’ join your fellow doctors to discuss and answer an interesting quiz A 27-year old male is suffering from severe right shoulder pain from the past 3-4 months. The pain was continuous with no preceding trauma. The patient was on systemic steroid treatment for Ankylosing Spondylitis for 4 years. Range of motion testing for shoulder joint revealed 80° forward flexion, 60° abduction, 20° external rotation, and internal rotation, all with exacerbated pain. MRI images provided.

What could be the probable diagnosis? Source: Simonetti I, Chianca V, Ascione F, Romano AM, Pietto FD. Journal of Orthopaedic Case Reports. 2018;8(6):4.