2653 results
Granulomatous Lung Disease - Differential Diagnosis Algorithm
OP: organising pneumonia; EGPA: eosinophilic granulomatosis with polyangiitis; NSG: necrotising
Granulomatous Lung Disease ... pneumonitis; PLCH: pulmonary ... Granulomatous #granuloma ... #Lung #Disease ... #pulmonary #Differential
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Non-caseating granulomas ... Clinical: • Disease ... polyarthritis • Pulmonary ... Symptoms #Signs #Pulmonary
Solid pulmonary nodules can represent various etiologies:
- benign granulomas
- focal scar
- intrapulmonary lymph nodes
- primary malignancies
-
Solid pulmonary ... etiologies: - benign granulomas ... malignancies - metastatic disease ... Diagnosis #Radiology #Pulmonary
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
cells to form granulomas ... Chronic kidney disease ... Response: • Granulomas ... • HIV: 2/3 pulmonary ... seeding • Caseating granulomas
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
cells to form granulomas ... Chronic kidney disease ... Response: • Granulomas ... • HIV: 2/3 pulmonary ... seeding • Caseating granulomas
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... Polyangiitis: - No Granulomas ... glomerulonephritis and/or pulmonary ... rhinosinusitis, + Granulomas ... • GPA: - +Granulomas
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
progressing GN • New pulmonary ... polyangiitis • No Granulomas ... rhinosinusitis • Granulomas ... , IgE, pulmonary ... Polyangiitis): • (-Granulomas
Extrapulmonary manifestations of sarcoidosis.
a. Endobronchial cobblestones (a nodular appearance of the tracheal wall mucosa). 
b. Diffuse
of sarcoidosis granulomas ... Perthes—Jüngling disease ... a patient with pulmonary
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
large necrotizing granulomas ... interstitial lung disease ... /pulmonary fibrosis
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
intermediate risk of disease ... used to exclude pulmonary ... demonstrating caseating granulomas