USG-Guided Shoulder Injections in Frozen Shoulder

Inclusion Criteria: Age between 18 and 75 years and willingness to participate in the study Presence of shoulder pain lasting at least 3 months and a diagnosis of primary frozen shoulder Pain intensity ≥ 4/10 on the Visual Analog Scale (VAS), resistant to medical treatment/analgesics Restriction of ≥30 degrees in at least two planes of shoulder motion (flexion, abduction, or external rotation) \- Exclusion Criteria: * History of shoulder trauma Presence of neurological conditions such as stroke, brachial plexus injury, Parkinson's disease, or cervical spine pathology with or without radiculopathy History of shoulder surgery, shoulder malignancy or tumor, or prior shoulder manipulation Presence of shoulder arthritis, rotator cuff tear, other shoulder injuries, or thoracic outlet syndrome Systemic diseases affecting the shoulder, severe degeneration or trauma (e.g., osteoarthritis, rheumatoid arthritis, labral or articular cartilage injuries), or inflammatory rheumatic diseases Steroid injection to the affected extremity within the last 3 months, use of oral steroids or NSAIDs, or ongoing surgical/interventional treatment Pregnancy or lactation Uncontrolled diabetes, heart failure, or uncontrolled systemic diseases (e.g., liver failure, chronic kidney disease, significant endocrine disorders) Communication problems or severe psychiatric disorders