14 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... With associated pulmonary ... #diagnosis #algorithm ... #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
SLE : systemic lupus ... LungDisease #CTILD #Diagnosis ... #Differential # ... Comparison #Table ... #Pulmonary #Rheumatology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Infarction and Pulmonary ... associated with rheumatologic ... presentation of systemic lupus ... Presentation #comparison #Table ... #Diagnosis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... Radiology Imaging ... Differential diagnosis ... #Radiology #diagnosis ... #msk #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... , Drug-induced Lupus ... , Interstitial Pulmonary ... ANA #patterns #rheumatology ... #diagnosis #differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Diagnosis Framework ... rapidly progressing GN ... inflammation Others: • Lupus ... such as systemic lupus ... #diagnosis #rheumatology
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... Cardiogenic pulmonary ... #Clinical #Radiology ... Carcinomatosis #Mimic #Differential ... #Comparison #Table
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Cortical Desmoid - MSK ... Radiology Imaging ... Differential diagnosis ... #Radiology #diagnosis ... #msk
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
renal failure Clinical ... Pulmonary: dyspnea ... acute sarcoidosis Pulmonary ... skin (16-32%): lupus ... anterior/posterior MSK