26 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Diseases (ILD) ... ILD caused by inhalation ... disease (RB-ILD ... • Vasculitis: Granulomatosis ... #Diseases #ILD
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... : • Granulomatous ... BrighamChiefs #ILD ... #Causes #Differential ... #interstitial #lung
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Lung Disease - ... Poor Prognosis Granulomatous ... characterized by granulomatous ... #Diseases #ILD
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Lymphomatoid granulomatosis ... lymphoproliferative disease ... lesions • 80% with lung ... • Metastatic disease ... differential #diagnosis #causes
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Diseases • Acute ... • Eosinophilic granulomatosis ... , wt loss; CV, CNS ... #Eosinophilic #Lung
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... and M panel Management ... DDX - Other causes ... hematology #diagnosis #management
Wegener's granulomatosis
Wegener's is a collagen vascular disease with vasculitis involving the lung, kidney and sinuses.
In the
Wegener's granulomatosis ... collagen vascular disease ... vasculitis causes ... GPA #Wegeners #Granulomatosis ... Multifocal #Nodules #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... involvement of the lung ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
and Management ... • Most common cause ... Abscess Management ... Vasculitis (e.g., Granulomatosis ... #differential #causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
(eosinophilic granulomatosis ... life-threatening diseases ... Goodpasture's cause ... sparing of the lung ... differential #diagnosis #management