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Sarcoidosis, An Issue of Clinics in Chest Medicine, E-Book

Sarcoidosis, An Issue of Clinics in Chest Medicine, E-Book

Robert Phillip Baughman

(2016)

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Book Details

Abstract

This issue of Clinics in Chest Medicine focuses on Sarciodosis. Drs. Baughman and Culver have put together an expert roster of authors for articles concerning: Etiology of sarcoidosis, Immunology of sarcoidosis, Genetics of Sarcoidosis, Diagnosis of sarcoidosis, Chest imaging, Biomarkers and genetic profiles, Pulmonary Sarcoidosis, Neurosarcoidosis, Cardiac Sarcoidosis, Ocular Sarcoidosis, Quality of life assessments, and more!

Table of Contents

Section Title Page Action Price
Front Cover Cover
Sarcoidosis\r i
Copyright\r ii
Contributors iii
EDITORS iii
AUTHORS iii
Contents vii
Preface: Sarcoidosis\r vii
Cellular Players in the Immunopathogenesis of Sarcoidosis\r vii
The Etiologic Role of Infectious Antigens in Sarcoidosis Pathogenesis\r vii
Genetics of Sarcoidosis\r vii
The Diagnosis of Sarcoidosis\r vii
Chest Imaging\r viii
Identifying Novel Biomarkers in Sarcoidosis Using Genome-Based Approaches\r viii
Pulmonary Sarcoidosis\r viii
Neurosarcoidosis\r viii
Cardiac Sarcoidosis\r ix
Ocular Sarcoidosis\r ix
Cutaneous Sarcoidosis\r ix
Pulmonary Hypertension in Sarcoidosis\r ix
Severe Sarcoidosis\r x
Consequences of Sarcoidosis\r x
Quality of Life Assessment in Sarcoidosis\r x
Treatment of Sarcoidosis\r x
PROGRAM OBJECTIVE xi
TARGET AUDIENCE xi
LEARNING OBJECTIVES xi
ACCREDITATION xi
DISCLOSURE OF CONFLICTS OF INTEREST xi
UNAPPROVED/OFF-LABEL USE DISCLOSURE xii
TO ENROLL xii
METHOD OF PARTICIPATION xii
CME INQUIRIES/SPECIAL NEEDS xii
CLINICS IN CHEST MEDICINE\r xiii
FORTHCOMING ISSUES xiii
March 2016 xiii
June 2016 xiii
September 2016 xiii
RECENT ISSUES xiii
September 2015 xiii
June 2015 xiii
March 2015 xiii
Preface: Sarcoidosis \r xv
Cellular Players in the Immunopathogenesis of Sarcoidosis 549
Key points 549
INTRODUCTION 549
THE INNATE IMMUNE SYSTEM 550
Receptors of the Innate Immune System 550
Neutrophil Granulocytes 550
The Etiologic Role of Infectious Antigens in Sarcoidosis Pathogenesis 561
Key points 561
SARCOIDOSIS EPIDEMIOLOGY SUGGESTS EXPOSURE TO MICROBIAL BIOAEROSOLS 561
MOLECULAR AND IMMUNOLOGIC INVESTIGATIONS REVEAL MICROBIAL PROTEINS AND DNA 562
IMMUNE RESPONSES AGAINST MYCOBACTERIAL VIRULENCE FACTORS ARE PRESENT IN SYSTEMIC AND ACTIVE SARCOIDOSIS INVOLVEMENT 563
NONINFECTIOUS ETIOLOGIES OF SARCOIDOSIS 564
MICROBIAL INDUCTION OF SARCOIDOSIS CD4+ T-CELL DYSFUNCTION 564
CLINICAL TRIALS OF ANTIMICROBIAL THERAPY IN SARCOIDOSIS 565
SUMMARY 566
REFERENCES 566
Genetics of Sarcoidosis 569
Key points 569
INTRODUCTION 569
SUMMARY OF APPROACHES TAKEN IN GENETIC EPIDEMIOLOGY OF SARCOIDOSIS 569
Familial Heritability Studies 570
Familial Linkage Studies 570
Genome-wide Association Studies 570
Candidate Gene Studies 570
Admixture Mapping Studies 571
GENES AND REGIONS ASSOCIATED WITH SARCOIDOSIS 571
Cell Surface Immune Receptors 571
HLA region 571
Butyrophilinlike 2 576
Toll-like receptors 576
Chemokine receptor type 2 577
Chemokine receptor type 5 577
SLC11A1 (NRAMP1, NATURAL RESISTANCE-ASSOCIATED MACROPHAGE PROTEIN GENE) 577
Cytokines 577
Tumor necrosis factor-α and lymphotoxin-A, tumor necrosis factor-β 577
Transforming growth factor-β 578
Interleukin-23 578
Signaling Molecules 578
Annexin A11 578
Others Genes Associated with Sarcoidosis in Recent Genome-wide Association Studies 579
Neurogenic locus notch homolog protein 4 579
Osteosarcoma amplified 9 579
X-linked inhibitor of apoptosis associated factor 579
GENE ENVIRONMENT INTERACTIONS IN SARCOIDOSIS 579
SARCOIDOSIS GENETICS: A FINGERPRINT OF IMMUNE-MEDIATED DISEASE 579
REFERENCES 580
The Diagnosis of Sarcoidosis 585
Key points 585
NATURE OF THE PROBLEM 585
DEFINITION 585
APPROACH TO DIAGNOSIS 586
Does the Clinical Presentation Justify Consideration of Diagnosis of Sarcoidosis? 587
At-risk populations 587
The physical examination: “Footprints of sarcoidosis” 590
Serologic and radiographic findings 590
Serum angiotensin-converting enzyme 590
Tuberculin skin test and interferon-gamma release assay 591
Asymptomatic bilateral hilar adenopathy on chest radiography 591
Abnormalities in perilymphatic distribution on computed tomography 591
Other tests 591
When and Where to Consider a Tissue Biopsy to Support a Diagnosis of Sarcoidosis 592
Classic presentations where biopsy is not required 592
Selecting a Site for Biopsy 593
Option 1: Sample easily accessible sites first 593
Option 2: Sample intrathoracic disease 593
Option 3: Diagnostic dilemma—When a biopsy site is not easily accessible 594
Have Alternative Explanations for the Clinical Presentation Been Excluded? 594
Pathology of sarcoidal granulomas 594
Atypical pathologic presentations 594
Is There Any Evidence of Additional Organ Involvement? 600
SUMMARY 600
REFERENCES 600
Chest Imaging 603
Key points 603
INTRODUCTION 603
RADIOGRAPHIC SCORING SYSTEMS: SCADDING STAGING 603
LARGE AIRWAY INVOLVEMENT 604
MEDIASTINAL AND HILAR LYMPHADENOPATHY 604
PARENCHYMAL INVOLVEMENT 606
Nodular and Reticulonodular Pattern 606
Large Nodules and Alveolar Sarcoidosis 606
Galaxy Sign, Cluster Sign, and (Reversed) Halo Sign 606
Ground Glass Opacities 607
Fibrotic Sarcoidosis 608
Mosaic Attenuation Pattern and Air Trapping 608
MYCETOMAS 609
PLEURAL INVOLVEMENT 609
Pleural Effusion 609
Chylothorax 609
Pneumothorax 609
NECROTIZING SARCOID GRANULOMATOSIS 609
PULMONARY HYPERTENSION 610
FLUORODEOXYGLUCOSE F 18 PET/COMPUTED TOMOGRAPHY 610
Fluorodeoxyglucose F 18 Uptake in Sarcoidosis 610
Patient Preparation and Fluorodeoxyglucose F 18 PET/Computed Tomography Acquisition in Sarcoidosis 610
Radiation Dose of Fluorodeoxyglucose F 18 PET/Computed Tomography 611
CHEST RADIOGRAPH AND FLUORODEOXYGLUCOSE F 18 PET/COMPUTED TOMOGRAPHY 611
HIGH-RESOLUTION COMPUTED TOMOGRAPHY AND FLUORODEOXYGLUCOSE F 18 PET/COMPUTED TOMOGRAPHY 611
Pulmonary Function and Fluorodeoxyglucose F 18 PET/Computed Tomography 612
Fluorodeoxyglucose F 18 PET/Computed Tomography in Cardiac Sarcoidosis 612
When Should Fluorodeoxyglucose F 18 PET/Computed Tomography Be Used in Thoracic Sarcoidosis? 615
SUMMARY 615
REFERENCES 615
Identifying Novel Biomarkers in Sarcoidosis Using Genome-Based Approaches 621
Key points 621
SARCOIDOSIS: OVERVIEW AND NEED FOR BIOMARKERS 621
Traditional Biomarkers in Sarcoidosis 622
SOLUBLE BIOMARKERS ASSOCIATED WITH MONOCYTE-MACROPHAGE ACTIVATION 622
Serum Amyloid A 623
Lysozyme 623
SOLUBLE BIOMARKERS ASSOCIATED WITH LYMPHOCYTE ORIGIN 623
Soluble Interleukin-2 Receptor 623
BIOMARKERS ASSOCIATED WITH FIBROSIS AND EXTRACELLULAR MATRIX 623
Tenascin-C 623
EMERGING STRATEGIES FOR BIOMARKER DEVELOPMENT 623
SARCOIDOSIS BIOMARKERS IDENTIFIED BY EXPRESSION PROFILING IN LUNG TISSUES 623
GENE SIGNATURES IN BLOOD SERVE AS POTENTIAL DIAGNOSTIC TOOL FOR SARCOIDOSIS 624
DISTINGUISHING PULMONARY SARCOIDOSIS FROM TUBERCULOSIS BY BLOOD GENE EXPRESSION PROFILING 625
HIGH-THROUGHPUT GENETIC STUDIES TO IDENTIFY NOVEL CANDIDATE GENES OF SARCOIDOSIS 627
SUMMARY 628
REFERENCES 628
Pulmonary Sarcoidosis 631
Key points 631
INTRODUCTION 631
PATHOLOGY 631
EPIDEMIOLOGY 633
MODES OF ONSET 634
PULMONARY CLINICAL SIGNS AND INVESTIGATIONS 634
Physical Examination 634
Bronchoalveolar Lavage 635
Pulmonary Function 636
Six-minute Walk Test 636
Cardiopulmonary Exercise Testing 636
PROGNOSTIC FACTORS 636
EVOLUTION 636
Modes of Evolution 636
Follow-up and Events 637
Mortality 638
SUMMARY 638
REFERENCES 638
Neurosarcoidosis 643
Key points 643
INTRODUCTION 643
EPIDEMIOLOGY AND PATHOLOGY 643
CLINICAL PRESENTATION 644
Cranial Nerve 644
Meningeal 644
Intracranial Parenchyma 645
Spinal Cord 645
Neurovascular 645
Neuromuscular 645
Other 646
DIAGNOSTIC TESTING 646
Tissue Biopsy 646
MRI 647
Cerebrospinal Fluid 648
Peripheral Nervous System Testing 649
Other Testing 649
Systemic Evaluation 650
Conjunctival Biopsy 650
Isolated Neurosarcoidosis 651
TREATMENT 651
Corticosteroids 651
Tumor Necrosis Factor-α Antagonists 652
Other Corticosteroid-Sparing Agents 654
SUMMARY 654
REFERENCES 654
Cardiac Sarcoidosis 657
Key points 657
EPIDEMIOLOGY AND CLINICAL MANIFESTATIONS 657
DIAGNOSIS 657
Role of Endomyocardial Biopsy in the Diagnosis of Cardiac Sarcoidosis 658
Screening for Cardiac Involvement in Patients with Biopsy-Proven Extracardiac Sarcoidosis 658
PROGNOSIS 659
Class I recommendations 659
Class IIa recommendations 659
Class III recommendation 659
CLINICAL MANAGEMENT: ROLE OF IMMUNOSUPPRESSION 660
Role of FDG-PET Imaging to Guide Immunosuppression 660
MANAGEMENT OF LEFT VENTRICULAR DYSFUNCTION 661
MANAGEMENT OF CONDUCTION ABNORMALITIES 662
MANAGEMENT OF VENTRICULAR ARRHYTHMIAS 663
Mechanisms of Ventricular Arrhythmias 663
The Role of Immunosuppression 663
Ablation for Ventricular Arrhythmias 663
RISK STRATIFICATION FOR SUDDEN CARDIAC DEATH 664
Left Ventricular Function 664
Class IIa recommendations 664
Cardiac Magnetic Resonance 665
MANAGEMENT OF ATRIAL ARRHYTHMIAS 665
SUMMARY AND FUTURE DIRECTIONS 665
REFERENCES 666
Ocular Sarcoidosis 669
Key points 669
EPIDEMIOLOGY 669
CLINICAL MANIFESTATIONS OF OCULAR SARCOIDOSIS 670
Uveitis and Fundoscopic Abnormalities 670
Optic Nerve Involvement and Neuroophthalmic Manifestations 672
Eyelid and Ocular Surface Disease 673
Lacrimal System and Keratoconjunctivitis Sicca 673
Orbital Involvement 674
Glaucoma and Cataract 674
DIAGNOSIS OF OCULAR SARCOIDOSIS 674
TREATMENT OF OCULAR SARCOIDOSIS 676
Treatment of Sarcoid Uveitis 676
Topical corticosteroids 676
Topical cycloplegics 676
Regional corticosteroid injections and implants 676
Systemic corticosteroids 677
Systemic immunosuppressive agents 677
Biologic agents 677
Treatment of Scleritis and External Eye Diseases 678
Treatment of Orbital Disease 678
Treatment of Ocular Complications 679
PROGNOSIS OF OCULAR SARCOIDOSIS 679
REFERENCES 679
Cutaneous Sarcoidosis 685
Key points 685
INTRODUCTION 685
SKIN PATHOPHYSIOLOGY 685
CLINICAL PRESENTATION 686
Common Morphologies 686
Macules/papules 686
Plaque 686
Lupus pernio 687
Subcutaneous sarcoidosis 687
Scar/tattoo 688
Less Common Morphologies 689
Special sites 691
Scalp 691
Nails 691
Mucosal disease 691
Nonspecific 692
DIAGNOSIS AND WORK-UP 692
DIFFERENTIAL DIAGNOSIS 693
TREATMENT 693
SUMMARY 697
REFERENCES 697
Pulmonary Hypertension in Sarcoidosis 703
Key points 703
INTRODUCTION 703
CAUSE OF SARCOIDOSIS-ASSOCIATED PULMONARY HYPERTENSION 703
EPIDEMIOLOGY 705
DIAGNOSIS OF SARCOIDOSIS-ASSOCIATED PULMONARY HYPERTENSION 706
TREATMENT 709
SURVIVAL 711
SUMMARY 711
REFERENCES 711
Severe Sarcoidosis 715
Key points 715
INTRODUCTION 715
SEVERE PULMONARY INVOLVEMENT 716
The Definition of Severe Pulmonary Fibrosis 716
Pulmonary Risk Factors for Mortality and Future Severe/Dangerous Disease 719
Pulmonary Hypertension in Sarcoidosis 720
SEVERE CARDIAC INVOLVEMENT AND RISK STRATIFICATION 720
TREATMENT OF SEVERE PULMONARY AND CARDIAC SARCOIDOSIS 721
Use High-Dose Therapy Initially 721
Consider the Early Introduction of Second Line Agents 721
Re-evaluate Treatment Strategies When There Is Major Responsiveness 721
Do Not Accept Therapeutic Nihilism in Irreversible Disease 721
Be Proactive in Identifying and Treating Complications 722
SUMMARY 723
REFERENCES 723
Consequences of Sarcoidosis 727
Key points 727
INTRODUCTION 727
SYMPTOMS 728
Fatigue 728
Dyspnea 729
Small Fiber Neuropathy and Autonomic Dysfunction 729
PSYCHOLOGICAL BURDEN 730
Depressive Symptoms 730
Anxiety and Stress 730
Cognitive Impairment and Memory Loss 731
Physical Impairment 731
Overall Impact on Patients’ Lives: Quality of Life 732
TREATMENT OPTIONS 733
Pharmacologic Treatment 733
Additional Alternatives to Pharmacologic Treatment 733
REHABILITATION 733
COMMUNICATION AND PATIENT PARTICIPATION 734
SUMMARY 734
REFERENCES 735
Quality of Life Assessment in Sarcoidosis 739
Key points 739
INTRODUCTION 739
THE IMPORTANCE OF QUALITY OF LIFE ASSESSMENT IN SARCOIDOSIS 739
THE ASSESSMENT OF HEALTH-RELATED QUALITY OF LIFE 740
PROBLEMS IN THE ASSESSMENT OF HEALTH-RELATED QUALITY OF LIFE IN SARCOIDOSIS 741
General Resistance to the Use of Patient-Reported Outcome Measures to Assess Health-Related Quality Of Life 741
Sarcoidosis-specific Resistance to the Use of Patient-Reported Outcome Measures to Assess Health-Related Quality of Life 741
CHARACTERISTICS OF PATIENT-REPORTED OUTCOME MEASURES 741
SPECIFIC HEALTH-RELATED QUALITY OF LIFE MEASURES USED IN SARCOIDOSIS 745
SUMMARY 748
REFERENCES 749
Treatment of Sarcoidosis 751
Key points 751
INTRODUCTION 751
WHOM TO TREAT 751
Prognosis 751
Effect of Treatment on Natural History 752
Approach to Treatment Decisions 753
Extent of disease 753
Severity of disease 754
Activity of disease 754
Impact of disease on patients’ lives 755
Patient Involvement 755
HOW TO TREAT 755
Corticosteroids 756
Inhaled corticosteroids and other topical therapy 757
Cytotoxic Medications 757
Methotrexate 757
Azathioprine 758
Leflunomide 758
Mycophenolate mofetil 758
Biologic Tumor Necrosis Factor Antagonists 759
Infliximab 759
Adalimumab and other anti–tumor necrosis factor biologics 759
Antimalarial Medications 760
Adrenocorticotropic Hormone Gel 760
Other Agents 761
SUMMARY 761
REFERENCES 761
Index 769