Hand and Wrist Procedures KEY FACTS Preprocedure • Indication Aspiration of joint fluid Intraarticular injection of medication or contrast agent Percutaneous therapy of ganglion cyst, tendon disease, trigger finger, carpal tunnel…
Hip and Pelvis Procedures KEY FACTS Procedure • Hip or sacroiliac (SI) joint injection or aspiration US-guided joint injection more efficient than fluoroscopic-guided joint injection For hip, anterior longitudinal approach usually…
Foreign Body and Injection Granuloma KEY FACTS Terminology • Foreign body (FB): Retention of penetrating or iatrogenic object within tissues • Injection granuloma (IG): Localized tissue reaction to material injected into tissues…
Local Tumor Recurrence KEY FACTS Terminology • Local recurrence of tumor following initial planned complete tumor resection If original tumor was not completely resected, this is residual tumor rather than recurrence…
Abdominal Wall Hernia KEY FACTS Clinical Issues • Tissue protruding though defect in abdominal wall Most abdominal wall hernias are point specific • Midline hernias Epigastric: Usually small Umbilical: In children Paraumbilical:…
Vascular Dilatation or Inflammation KEY FACTS Imaging • Intravascular papillary endothelial hyperplasia Organizing thrombus with excessive reactive papillary endothelial proliferation Predilection for subcutaneous tissues of extremities, particularly upper limbs Focal vascular…
Groin Hernia KEY FACTS Terminology • Indirect inguinal hernia, direct inguinal hernia, femoral hernia • Hernia: Abnormal protrusion of organ or part of organ out of cavity in which it is normally…
Carpal Tunnel Syndrome KEY FACTS Terminology • Symptoms secondary to compression of median nerve in carpal tunnel area • Most common entrapment neuropathy Imaging • More swollen median nerve means more likely possibility…
Paraarticular Cystic Mass DIFFERENTIAL DIAGNOSIS Common • Ganglion Cyst • Baker Cyst • Parameniscal Cyst • Bursal Distension • Liquefied Hematoma • Abscess or Collection Less Common • Cystic-Looking Soft Tissue Tumors • Pseudoaneurysm ESSENTIAL INFORMATION Key Differential…
Synovial Swelling DIFFERENTIAL DIAGNOSIS Common • Osteoarthritis • Inflammatory Arthropathy • Tophi of Gout or Pseudogout Less Common • Pigmented Villonodular Synovitis • Focal Nodular Synovitis • Synovial Osteochondromatosis • Septic Arthritis • Lipoma Arborescens • Amyloid • Synovial Hemangioma…
