18 results
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
Pneumonitis • Treatment ... Granulomatous DX with Vasculitis ... : GPA, EGPA • ... #interstitial #lung ... #disease #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... pneumonitis • Medication-induced ... Polymyositis-dermatomyositis, Lupus ... Sarcoidosis • Vasculitis ... #causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Post-strep GN, Lupus ... With associated pulmonary ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
progressing GN • New pulmonary ... tract, and often causes ... inflammation Others: • Lupus ... and branches • GCA ... such as systemic lupus
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
- Diagnosis, causes ... Clinical manifestations ... neuropathy Treatment ... infection - GCs ... #Rheumatology #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Infection - Vasculitis ... Immunosuppressed • New medication ... (lupus, RA, Sjogren's ... , GPA, EGPA, Microscopic
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... Malignancy (e.g. hematologic ... lymphoproliferative syndrome Clinical ... vein thrombosis Hematologic ... activation and/or medications
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Interstitial lung ... multifactorial mechanisms Hematologic ... neurofibromatosis, vasculitis ... #Differential #Causes
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
Related Disease Clinical ... biliary, renal, lung ... No necrosis, No vasculitis ... GC-dependency ... #rheumatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess - Clinical ... Diagnosis: • Vasculitis ... #Abscess #pulmonary ... #differential #causes