<p>ANATOMY BASED</p> <p>Flat Bones </p> <p>Flat Bones, Focally Expanded or Bubbly Lesion</p> <p>Flat Bones, Permeative Lesion</p> <p>Long Bone, Epiphyseal </p> <p>Long Bone, Epiphyseal: Irregular or Stippled</p> <p>Long Bone, Epiphyseal, Overgrowth/Ballooning</p> <p>Long Bone, Epiphysis, Sclerosis/Ivory</p> <p>Long Bone, Epiphyseal/Apophyseal/Subchondral Lytic Lesion</p> <p>Long Bone, Metaphyseal</p> <p>Long Bone, Metaphyseal Bands & Lines</p> <p>Long Bone, Metaphyseal Cupping</p> <p>Long Bone, Metaphyseal Fraying</p> <p>Long Bone, Central Metaphyseal Lesion, Nonaggressive</p> <p>Long Bone, Central Metaphyseal Lesion, Aggressive</p> <p>Long Bone, Metaphyseal Lesion, Bubbly</p> <p>Long Bone, Eccentric Metaphyseal Lesion, Nonaggressive</p> <p>Long Bone, Eccentric Metaphyseal Lesion, Aggressive</p> <p>Long Bone, Cortically Based Metaphyseal Lesion</p> <p>Long Bone, Surface (Juxtacortical) Lesion</p> <p>Long Bone, Metadiaphyseal</p> <p>Long Bone, Central Diaphyseal Lesion, Nonaggressive</p> <p>Long Bone, Diaphyseal Lesion, Aggressive: Adult</p> <p>Long Bone, Diaphyseal Lesion, Aggressive: Child</p> <p>Long Bone, Aggressive Diaphyseal Lesion With Endosteal Thickening</p> <p>Long Bone, Cortically Based Diaphyseal Lesion, Sclerotic</p> <p>Long Bone, Cortically Based Diaphyseal Lesion, Lytic</p> <p>Long Bone, Diffuse Cortical/Endosteal Thickening</p> <p>Tibial Metadiaphyseal Cortically Based Lesion</p> <p>Long Bone, Undertubulation</p> <p>Long Bone, Overtubulation</p> <p>Lone Bone, Growth Plate </p> <p>Growth Plate, Premature Physeal Closure</p> <p>Growth Plate, Widened Physis</p> <p>Periosteum </p> <p>Periosteum: Aggressive Periostitis</p> <p>Periosteum: Solid Periostitis</p> <p>Periosteum: Bizarre Horizontal Periosteal Reaction</p> <p>Periosteum: Periostitis Multiple Bones/Acropachy, Adult</p> <p>Periosteum: Periostitis Multiple Bones, Child"</p> <p>Joint Based </p> <p>Arthritis With Normal Bone Density</p> <p>Arthritis With Osteopenia</p> <p>Arthritis With Productive Changes</p> <p>Erosive Arthritis</p> <p>Mixed Erosive/Productive Arthritis</p> <p>Arthritis With Large Subchondral Cysts</p> <p>Atrophic Joint Destruction</p> <p>Arthritis Mutilans</p> <p>Neuropathic Osteoarthropathy</p> <p>Arthritis With Preserved Cartilage Space</p> <p>Widened Joint Space</p> <p>Ankylosis</p> <p>Calcified Intraarticular Body/Bodies</p> <p>Chondrocalcinosis</p> <p>Periarticular Calcification</p> <p>MCP-Predominant Arthritis</p> <p>IP-Predominant Arthritis</p> <p>Monoarthritis</p> <p>Intraarticular Mass</p> <p>Arthroplasty With Lytic/Cystic Lesions</p> <p>Shoulder Girdle and Upper Arm </p> <p>Clavicle Lesions, Nonarticular</p> <p>Distal Clavicular Resorption</p> <p>Proximal Humerus, Erosion Medial Metaphysis</p> <p>Glenohumeral Malalignment</p> <p>Anterosuperior Labral Variations/Pathology</p> <p>Fluid Collections About the Shoulder</p> <p>Elbow and Forearm </p> <p>Radial Dysplasias/Aplasia</p> <p>Forearm Deformity</p> <p>Wrist and Hand </p> <p>Carpal Cystic/Lytic Lesions</p> <p>Abnormal Radiocarpal Angle</p> <p>Fingers and Toes </p> <p>Arachnodactyly</p> <p>Soft Tissue Mass in Finger</p> <p>Acro-osteolysis</p> <p>Acro-osteosclerosis</p> <p>Phalangeal Cystic/Lytic Lesions</p> <p>Sesamoiditis</p> <p>Short Metacarpal/Metatarsal</p> <p>Ulnar Deviation (MCP Joints)</p> <p>Swelling & Periostitis of Digit (Dactylitis)</p> <p>Intevertebral Disc </p> <p>Lesions Crossing Disc Space</p> <p>Discal Mineralization</p> <p>Paraspinal Abnormalities </p> <p>Ossification/Calcification Anterior to C1</p> <p>Paravertebral Ossification and Calcification</p> <p>Linear Ossification Along Anterior Spine</p> <p>Vertebral Shape </p> <p>Bullet-Shaped Vertebra/Anterior Vertebral Body Beaking</p> <p>Congenital & Acquired Childhood Platyspondyly</p> <p>Fish (Biconcave) or H-Shaped Vertebra</p> <p>Squaring of One or More Vertebra</p> <p>Vertebral Lesions </p> <p>Vertebral Body Sclerosis</p> <p>Spinal Osteophytes</p> <p>Lesions Originating in Vertebral Body</p> <p>Lesions Originating in Posterior Elements</p> <p>Ribs </p> <p>Rib Notching, Inferior</p> <p>Rib Notching, Superior</p> <p>Solitary Rib Lesion</p> <p>Pelvis </p> <p>Sacroiliitis, Bilateral Symmetric</p> <p>Sacroiliitis, Bilateral Asymmetric</p> <p>Sacroiliitis, Unilateral</p> <p>Symphysis Pubis With Productive Changes/Fusion</p> <p>Symphysis Pubis, Widening</p> <p>Supraacetabular Iliac Destruction</p> <p>Hip and Thigh </p> <p>Protrusio Acetabuli</p> <p>Coxa Magna Deformity</p> <p>Hip Labral Tears, Etiology</p> <p>Knee and Lower Leg </p> <p>Enlargement of Intercondylar Notch Distal Femur</p> <p>Patellar Lytic Lesions</p> <p>Tibial Bowing</p> <p>Fluid Collections About the Knee</p> <p>Popliteal Mass, Extraarticular</p> <p>Alterations in Meniscal Size</p> <p>Genu Valgum (Knock Knees)</p> <p>Genu Varum (Bow Leg Deformity)</p> <p>Foot and Ankle </p> <p>Achilles Tendon Thickening/Enlargement</p> <p>Calcaneal Erosions, Posterior Tubercle</p> <p>Retrocalcaneal Bursitis</p> <p>Soft Tissue Mass in Foot</p> <p>Talar Beak</p> <p>Tarsal Cystic/Lytic Lesions</p> <p>IMAGE BASED </p> <p>Radiograph/CT, Osseous </p> <p>Polyostotic Lesions, Adult</p> <p>Polyostotic Lesions, Child</p> <p>Solitary Geographic Lytic Lesions</p> <p>Sclerotic Bone Lesion, Solitary</p> <p>Sclerotic Bone Lesions, Multiple</p> <p>Sclerotic Lesion With Central Lucency</p> <p>Sequestration</p> <p>Target Lesions of Bone</p> <p>Matrix-Containing Bone Lesions</p> <p>Benign Osseous Lesions That can Appear Aggressive</p> <p>Metastases to Bone</p> <p>Generalized Increased Bone Density, Adult</p> <p>Generalized Increased Bone Density, Child</p> <p>Sclerosing Dysplasias</p> <p>Hypertrophic Callus Formation</p> <p>Bone within Bone Appearance</p> <p>Osteopenia</p> <p>Osteoporosis, Generalized</p> <p>Regional Osteoporosis</p> <p>Cortical Tunneling</p> <p>Pseudoarthrosis</p> <p>Enthesopathy</p> <p>Tendon & Ligamentous Ossification</p> <p>Bone Age, Advanced</p> <p>Bone Age, Delayed</p> <p>Radiograph/CT, Soft Tissue</p> <p>Soft Tissue Ossification</p> <p>Nodular Calcification</p> <p>Linear and Curvilinear Calcification</p> <p>Soft Tissue Neoplasm Containing Calcification</p> <p>MR, Osseous</p> <p>Bone Marrow Edema Syndromes (Proximal Femur)</p> <p>Subchondral Edema-Like Signal</p> <p>Abnormal Epiphyseal Marrow Signal</p> <p>Increased Marrow Fat</p> <p>Marrow Hyperplasia</p> <p>Bone Lesions With Fluid/Fluid Levels</p> <p>MR, Soft Tissue </p> <p>Lesion With Bright T1 Signal</p> <p>Soft Tissue Lesion With Predominately Low T1 & T2 Signal</p> <p>Soft Tissue Lesion With Fluid/Fluid Levels</p> <p>Target Lesion of Soft Tissues</p> <p>Cystic Mass</p> <p>Subcutaneous Mass</p> <p>Enlarged Muscle</p> <p>Muscle Atrophy</p> <p>Intermuscular Edema</p> <p>Tenosynovitis/Tenosynovial Fluid</p> <p>Enlarged Peripheral Nerves</p> <p>MR, Joint </p> <p>Intraarticular Low Signal Material, All Sequences</p> <p>Ultrasound </p> <p>Anechoic Mass</p> <p>Hypoechoic Mass</p> <p>Nuclear Medicine </p> <p>Photopenic Lesions & False-Negative Scans</p> <p>Soft Tissue Uptake on Bone Scan</p> <p>Superscan</p> <p>CLINICALLY BASED </p> <p>Shoulder and Upper Arm </p> <p>Painful or Enlarged Sternoclavicular Joint</p> <p>Rotator Cuff Symptoms</p> <p>Shoulder Instability</p> <p>Anteroinferior Labral/Capsule Injury</p> <p>Nerve Entrapment, Shoulder</p> <p>Elbow and Forearm </p> <p>Elbow Deformities in Children and Young Adults</p> <p>Lateral Elbow Pain</p> <p>Medial Elbow Pain</p> <p>Olecranon Bursitis</p> <p>Nerve Entrapment, Elbow & Wrist</p> <p>Wrist and Hand </p> <p>Wrist Clicking/Clunking/Instability</p> <p>Ulnar-Sided Wrist Pain</p> <p>Radial-Sided Wrist Pain</p> <p>Pelvis, Hip, and Thigh </p> <p>Groin/Hip Pain</p> <p>Lateral Hip Pain</p> <p>Snapping Hip</p> <p>Hip Impingement</p> <p>Thigh Pain</p> <p>Nerve Entrapment, Lower Extremity</p> <p>Hip Pain, Elderly Patient</p> <p>Painful Hip Replacement</p> <p>Knee and Leg </p> <p>Anterior Knee Pain</p> <p>Medial Knee Pain</p> <p>Calf Pain</p> <p>Painful Knee Replacement</p> <p>Ankle and Foot </p> <p>Anterior Ankle Pain/Impingement</p> <p>Medial Ankle Pain</p> <p>Lateral Ankle Pain</p> <p>Heel Pain</p> <p>Pain in the Ball of the Foot</p> <p>Pes Planovalgus (Flatfoot)</p> <p>Cavus Foot Deformity</p> <p>Congenital Foot Deformity</p> <p>Diabetic Foot Complications</p> <p>Spine </p> <p>Painful Scoliosis</p> <p>Systemic Disease </p> <p>Arthritis in Teenager</p> <p>Anemia With Musculoskeletal Manifestations</p> <p>Osteonecrosis</p> <p>Heterotopic Ossification</p> <p>Rickets & Osteomalacia</p> <p>Soft Tissue Contractures</p> <p>Short Limb, Unilateral</p> <p>Hemihypertrophy</p> <p>Focal Gigantism/Macrodactyly</p> <p>Dwarfism With Major Spine Involvement</p> <p>Dwarfism With Short Extremities</p> <p>Dwarfism With Short Ribs</p> <p>Dwarfism With Horizontal Acetabular Roof</p>