Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Eiman Ghaffarpasand, M.D. [2]
Abbreviations:
ABG= Arterial blood gas , ANA= Antinuclear antibody , ANP= Atrial natriuretic peptide , ASO= Antistreptolysin O antibody , BNP= Brain natriuretic peptide , CBC= Complete blood count , COPD= Chronic obstructive pulmonary disease , CRP= C-reactive protein , CT= Computed tomography , CXR= Chest X-ray , DVT= Deep vein thrombosis , ESR= Erythrocyte sedimentation rate , HRCT= High Resolution CT , IgE= Immunoglobulin E , LDH= Lactate dehydrogenase , PCWP= Pulmonary capillary wedge pressure , PCR= Polymerase chain reaction , PFT= Pulmonary function test .
Diseases
Clinical manifestations
Para-clinical findings
Gold standard
Additional findings
Symptoms
Physical examination
Lab Findings
Imaging
Histopathology
Headache
Fever
Weight loss
Arthralgia
Claudication
Bruit
HTN
Focal neurological disorder
Biomarker
CBC
ESR
Other
CT scan
Angiography
Ultrasound/ Echocardiography
Other
Small-Vessel Vasculitis
ANCA-associated vasculitis
Granulomatosis with polyangiitis (Wegener’s) [ 1]
+
+/-
+/-
-
-
-
-
+
Anti-PR3 antibody (C-ANCA) (90%), Anti-MPO antibody (P-ANCA) (10%)
Leukocytosis , Normochromic normocytic anemia
↑
↑Cr or BUN , Hypoalbuminemia
Consolidation , Patchy or diffuse ground-glass opacities
Occlusion or stenosis of LAD and RCA in coronary angiography
-
Single or multiple nodules and masses with cavitation in CXR
Parenchymal necrosis , Granulomatous inflammation
Histological confirmation
Conjunctivitis ,
Episcleritis ,
Uveitis ,
Optic nerve vasculitis
Immune complex small-vessel vasculitis
Hepatitis C virus -associated cryoglobulinemic vasculitis [ 2]
+/-
+/-
+
+
-
-
+
+/-
HCV RNA , Cryoglobulins
Leukocytosis , Anemia
↑
↓Serum C4 , Positive RF
Increased hepatic echogenicity
-
Hepatomegaly , Splenomegaly
Increased hepatic echogenicity in MRI
Vasculitic skin, Antigen infilteration in lesions
HCV RNA , Histological confirmation
Palpable purpura , Microscopic hematuria
IgA vasculitis (Henoch-Schönlein purpura) [ 3]
-
-
+
+
-
-
-
-
IgA
Normochromic anemia , Leukocytosis
↑
Stool OB , ↓C3 , ↓C4
-
-
Increased bowel wall thickness, hematomas , peritoneal fluid , and intussusception
Dilated loops of bowel consistent in abdominal X-ray
Leukocytoclastic vasculitis in postcapillary venules with IgA deposition
History and physical examination
Hematuria , Palpable purpura
Hypocomplementemic urticarial vasculitis (anti-C1q vasculitis) [ 4]
-
-
+/-
+
-
-
-
-
C1q
Mild anemia
↑
ANA , ↓C1q , ↓C3 , ↓C4
-
-
Hepatomegaly , Splenomegaly
-
Deposits of immunoglobulins , complement , or fibrin around blood vessels
Urticaria ,
Histological confirmation
Urticaria , Hematuria
Cardiovascular disease
Infective Endocarditis [ 5]
+
+
+
-
-
-
-
+
NT-proBNP
Normochromic-normocytic anemia
↑
Hyperglobulinemia , Cryoglobulinemia
Metastatic infections , such as splenic infarct , renal infarcts , or psoas abscess
-
Vegetation , abscess , or new dehiscence of a prosthetic valve in echocardiography
Vertebral osteomyelitis in MRI
Vegetation or intracardiac abscess demonstrating active endocarditis
Echocardiography (TTE )
Janeway lesions , Osler nodes , Roth spots , Vertebral osteomyelitis
Pulmonary disease
Non-Small Cell Lung Cancer [ 6]
-
+/-
+
-
-
-
-
+/-
EGFR , ROS1 , EML4-ALK , PD-L1
Leukocytosis , Anemia
↑
Hypercalcemia , Hyponatremia
Pulmonary lesion or mass
-
Pulmonary marginal lesions
Staging and response to treatment in PET-CT
Adenocarcinoma , Squamous cell carcinoma
High resolution CT-scan
Cough , Hemoptysis
Small Cell Lung Cancer [ 7]
-
+/-
+
-
-
-
-
+/-
p53 , Thyroid transcription factor-1 (TTF1)
Anemia
↑
Hyponatremia
Large hilar mass with bulky mediastinal adenopathy
-
Endobronchial ultrasound (EBUS)
Standard staging
Spindled cells with dark nuclei , scant cytoplasm , and fine, granular nuclear chromatin
High resolution CT-scan
Cough , Hemoptysis
Hematologic disease
Chronic Lymphocytic Leukemia (CLL) [ 8]
+
+
+
+
+/-
-
-
+/-
CD5 , CD19 , CD20 , IgVH
Absolute lymphocytosis , Smudge cells
↑
Flow cytometry
Staging
-
-
-
Large atypical cells , cleaved cells, and prolymphocytes
Chromosomal and genetic testing
Easy bruising
Multiple Myeloma [ 9]
+
-
+
+
+
+
+/-
+/-
Ig light chain
Anemia , Thrombocytopenia , Leukopenia
↑
Bone marrow aspiration and biopsy , ↑Cr
Osseous involvement and lytic lesions
Peripheral zone of increased vascularity in lesions
-
Punched-out lesion in skull X-ray
Clonal proliferation of plasma cells
Protein electrophoresis plus conventional X-rays
Constipation
Non-Hodgkin Lymphoma [ 10]
+
+
+
+
+/-
+/-
+/-
+/-
MYC , BCL2 , BCL6 , and TP53
Lymphocytosis , Anemia , Thrombocytopenia
↑
↑Lactate dehydrogenase (LDH) , Hypercalcemia
Enlarged lymph nodes , Hepatosplenomegaly , Filling defects in the liver and spleen
-
Hepatosplenomegaly
Mediastinal lymphadenopathy
Small cleaved or noncleaved, intermediate, or large cell with a follicular or diffuse pattern
Surgically excised tissue biopsy
Easy bruising , Testicular mass , Skin lesion
Systemic disease
Sarcoidosis [ 11]
+
+
+
+
-
-
-
+/-
IL-2 and IFN-γ
Mild anemia
↑
↑ACE , ↑1, 25-dihydroxyvitamin D
Active alveolitis or fibrosis
-
Hepatosplenomegaly
Bilateral hilar adenopathy
Noncaseating granulomas (NCGs)
Histological confirmation
Heart block , Ocular lesion
Legionella Infection [ 12]
+
+
+
+
-
-
-
+/-
Inflammatory cytokines
Leukocytosis with left shift , Thrombocytosis
↑
↑D-dimer , FDP , Hyponatremia
Pleural effusion
-
-
Nonspecific and indistinguishable CXR
Intra-alveolar inflammation , Microabscesses in the parenchyma
Sputum culture
Cough , Diarrhea
Systemic lupus erythematosus [ 13]
+
+
+
+
-
-
+
+
Anti dsDNA , ANA
Leukopenia , Lymphopenia , Anemia , Thrombocytopenia
↑
↑Cr or BUN ,
↑ALT or AST , Proteinuria
Interstitial lung disease, Pneumonitis , Pulmonary emboli , Alveolar hemorrhage
Aneurysms
Pericardial effusion , pulmonary hypertension , or verrucous Libman-Sacks endocarditis in echocardiography
Central nervous system (CNS) lupus white-matter changes in MRI
Staging lupus nephritis
Anti-dsDNA antibody test
Skin rashes or photosensitivity
Rheumatoid arthritis [ 14]
-
-
+
+
+
+
-
-
RF , Anti-CCP antibody
Anemia
↑
↑Cr or BUN ,
↑ALT or AST , ANA
Microfractures
Aneurysms
Effusions in joints
Basilar invagination with cranial migration of an eroded odontoid peg in MRI
Influx of inflammatory cells into the synovial membrane , with angiogenesis , proliferation of chronic inflammatory cells
Clinical findings coupled anti-CCP antibody
Rheumatoid nodules
Relapsing polychondritis [ 15]
-
+/-
+/-
+
+
-
-
-
-
Leukocytosis , Anemia
-
Cryoglobulins , ANA , C-ANCA
Calcification of cartilaginous structures
Aortic root dilatation
Aortic root dilatation and degree of aortic regurgitation in echocardiography
Tracheal stenosis in CXR
Chondrolysis, Chondritis , Perichondritis
Clinical findings coupled with imaging
Ear pain and redness, Polyarthritis
↑ Kubaisi B, Abu Samra K, Foster CS (2016). "Granulomatosis with polyangiitis (Wegener's disease): An updated review of ocular disease manifestations" . Intractable Rare Dis Res . 5 (2): 61–9. doi :10.5582/irdr.2016.01014 . PMC 4869584 . PMID 27195187 .
↑ Guo QY, Wu M, Wang YW, Sun GD (2017). "Hepatitis C virus-associated cryoglobulinemia with membrano-proliferative glomerulonephritis treated with prednisolone and interferon: A case report" . Exp Ther Med . 14 (2): 1395–1398. doi :10.3892/etm.2017.4671 . PMC 5525644 . PMID 28810602 .
↑ Farhadian JA, Castilla C, Shvartsbeyn M, Meehan SA, Neimann A, Pomeranz MK (December 2015). "IgA vasculitis (Henoch-Schönlein purpura)". Dermatol. Online J . 21 (12). PMID 26990342 .
↑ Buck A, Christensen J, McCarty M (2012). "Hypocomplementemic urticarial vasculitis syndrome: a case report and literature review" . J Clin Aesthet Dermatol . 5 (1): 36–46. PMC 3277093 . PMID 22328958 .
↑ McDonald JR (2009). "Acute infective endocarditis" . Infect Dis Clin North Am . 23 (3): 643–64. doi :10.1016/j.idc.2009.04.013 . PMC 2726828 . PMID 19665088 .
↑ Molina JR, Yang P, Cassivi SD, Schild SE, Adjei AA (2008). "Non-small cell lung cancer: epidemiology, risk factors, treatment, and survivorship" . Mayo Clin Proc . 83 (5): 584–94. doi :10.4065/83.5.584 . PMC 2718421 . PMID 18452692 .
↑ Jackman DM, Johnson BE (2005). "Small-cell lung cancer". Lancet . 366 (9494): 1385–96. doi :10.1016/S0140-6736(05)67569-1 . PMID 16226617 .
↑ Byrd JC, Stilgenbauer S, Flinn IW (2004). "Chronic lymphocytic leukemia". Hematology Am Soc Hematol Educ Program : 163–83. doi :10.1182/asheducation-2004.1.163 . PMID 15561682 .
↑ Michels TC, Petersen KE (March 2017). "Multiple Myeloma: Diagnosis and Treatment". Am Fam Physician . 95 (6): 373–383. PMID 28318212 .
↑ Shankland KR, Armitage JO, Hancock BW (September 2012). "Non-Hodgkin lymphoma". Lancet . 380 (9844): 848–57. doi :10.1016/S0140-6736(12)60605-9 . PMID 22835603 .
↑ Chiarchiaro J, Chen BB, Gibson KF (2016). "New molecular targets for the treatment of sarcoidosis" . Curr Opin Pulm Med . 22 (5): 515–21. doi :10.1097/MCP.0000000000000304 . PMC 5152532 . PMID 27454074 .
↑ Murdoch DR (January 2003). "Diagnosis of Legionella infection". Clin. Infect. Dis . 36 (1): 64–9. doi :10.1086/345529 . PMID 12491204 .
↑ Tsokos, George C. (2011). "Systemic Lupus Erythematosus". New England Journal of Medicine . 365 (22): 2110–2121. doi :10.1056/NEJMra1100359 . ISSN 0028-4793 .
↑ Scott JT (1991). "The gold standard in rheumatoid arthritis" . J R Soc Med . 84 (9): 513–4. PMC 1293405 . PMID 1682491 .
↑ Emmungil H, Aydın SZ (2015). "Relapsing polychondritis" . Eur J Rheumatol . 2 (4): 155–159. doi :10.5152/eurjrheum.2015.0036 . PMC 5047229 . PMID 27708954 .
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