Specialty Imaging: HRCT of the Lung

SECTION 1: Fundamentals of HRCT

Overview of HRCT

Approach to HRCT Interpretation

Anatomy

Secondary Pulmonary Lobule

Gravitational Changes (Dependent Atelectasis)

Age-Related Changes

Normal Inspiration & Expiration

Terminology and Signs

Micronodules

Acinar Nodules

Tree-in-Bud Opacities

Ground-Glass Attenuation

Crazy-Paving Pattern

Mosaic Attenuation Pattern & Air-Trapping

Head Cheese Sign

Signet Ring Sign

Halo Sign

Reverse Halo Sign

Finger-in-Glove Sign

Honeycombing

Cyst

Flame-Shaped Nodules

Distribution

Peribronchovascular

Centrilobular

Perilymphatic

Random

Peripheral

SECTION 2: Pathological Patterns of Injury

Approach to Pathological Patterns of Injury

Diffuse Alveolar Damage

Diffuse Alveolar Hemorrhage With Capillaritis

Organizing Pneumonia

Pulmonary Fibrosis (Honeycombing)

Constrictive Bronchiolitis (Pathology)

SECTION 3: Large-Airway Disease

Approach to Large-Airway Disease

Bronchiectasis

Allergic Bronchopulmonary Aspergillosis

Williams-Campbell Syndrome

Mounier-Kuhn Syndrome

Bronchocentric Granulomatosis

SECTION 4: Small-Airways Disease

Approach to Small-Airways Disease

Infectious Bronchiolitis

Diffuse Aspiration Bronchiolitis

Respiratory Bronchiolitis

Follicular Bronchiolitis

Hypersensitivity Pneumonitis

Diffuse Panbronchiolitis

Idiopathic Constrictive Bronchiolitis

Swyer-James Syndrome

Bronchiolitis Obliterans Syndrome

DIPNECH

SECTION 5: Infection

Approach to Infection

Bacterial Pneumonia

Parasitic Infection

Viral Pneumonia

Angioinvasive Aspergillosis

PCP Pneumonia

Tuberculosis

Nontuberculous Mycobacterial Infection

SECTION 6: Pneumoconiosis

Approach to Pneumoconiosis

Silicosis & Coal-Workers Pneumonconiosis

Asbestosis

Beryliosis

Talcosis

Hard-Metal Pneumoconiosis

SECTION 7: Neoplasms

Approach to Neoplasms

Invasive Mucinous Adenocarcinoma (Diffuse)

Lymphangitic Carcinomatosis

Hematogenous Metastases

Endovascuar Metastases and Tumor Emboli

Kaposi Sarcoma

Lymphangioleiomyomatosis

Reactive Lymphoproliferative Disorders

Neoplastic Lymphoproliferative Disorders

SECTION 8: Interstital Pneumonias

Approach to Interstitial Pneumonias

Idiopathic Pulmonary Fibrosis (Idiopathic UIP)

Idiopathic Nonspecific Interstitial Pneumonia

Cryptogenic Organizing Pneumonia

Acute Exacerbation of Interstitial Lung Disease

Acute Interstitial Pneumonia

Idiopathic Lymphoid Interstitial Pneumonia

Idiopathic Pleuroparenchymal Fibroelastosis

Airway-Centered Interstitial Fibrosis

Interstitial Pneumonia With Autoimmune Features (IPAF)

Approach to Smoking-Related Interstitial Lung Diseases

Respiratory Bronchiolitis, Interstitial Lung Disease

Desquamative Interstitial Pneumonia

Combined Pulmonary Fibrosis and Emphysema

SECTION 9: Autoimmune Diseases

Approach to Autoimmune Diseases

Connective Tissue Disease, Interstitial Lung Disease (CTD-ILD)

Rheumatoid Arthritis

Progressive Systemic Sclerosis

Dermatomyositis/Polymyositis

Sjögren Syndrome

Mixed Connective Tissue Disease

Systemic Lupus Erythematosus

Granulomatosis With Polyangiitis (GPA)

Eosinophilic Granulomatosis With Polyangiitis (E-GPA)

Microscopic Polyangiitis

Ankylosing Spondylitis

Inflammatory Bowel Disease

SECTION 10: Vascular Disease

Approach to Vascular Disease

Cardiogenic Pulmonary Edema

Hepatopulmonary Syndrome

Pulmonary Hypertension

Pulmonary Venoocclusive Disease

Pulmonary Capillary Hemangiomatosis

Talc & Cellulose Granulomatosis

SECTION 11: Inhalational, Inflammatory, Metabolic, & Post Treatment

Approach to Inhalational, Inflammatory, Metabolic, & Post Treatment

Aspiration/Inhalation

Spectrum of Aspiration-Related Disorders

Lipoid Pneumonia

Inhalational Injury

Inflammatory

Sarcoidosis

Histiocytic Disorders

Eosinophilic Disorders

Metabolic or Degenerative

Amyloidosis

Light-Chain Deposition Disease

Pulmonary Alveolar Proteinosis

Metastatic Pulmonary Calcification

Diffuse Pulmonary Ossification (Dendriform & Nodular)

Emphysema

Hemosiderosis

Post Treatment

Radiation-Induced Lung Disease

Drug-Induced Lung Disease

SECTION 12: Congenital

Approach to Congenital

Familial Idiopathic Pulmonary Fibrosis

Birt-Hogg-Dubé Syndrome

Hermansky-Pudlak Syndrome

Tuberous Sclerosis

Neurofibromatosis

Alveolar Microlithiasis

Alpha-1 Antitrypsin Deficiency

Primary Ciliary Dyskinesia

Primary Immunodeficiencies

Chronic Granulomatous Disease

Cystic Fibrosis

Childrens Interstitial Lung Disease (chILD)