MediAI

Subscapularis Calcific Tendonitis and Myositis: MRI Findings, AI Applications, and Advanced Clinical Management Introduction A 45-year-old woman presents with severe anterior shoulder pain that developed without significant trauma. The pain has progressively worsened over several weeks, frequently waking her at night and limiting daily activities such as dressing, lifting objects, and reaching overhead. This clinical scenario is encountered frequently in orthopedic clinics and radiology departments. However, while many clinicians initially suspect adhesive capsulitis or nonspecific rotator cuff disease, a less common but clinically important diagnosis may be responsible: calcific tendonitis of the subscapularis accompanied by inflammatory myositis. Among all rotator cuff tendons, the supraspinatus is the most common location for calcium hydroxyapatite deposition. Subscapularis involvement is considerably rarer, accounting for approximately 5% of cases, making accurate imaging diagnosis...