8 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... inflammation Others: • Lupus ... such as systemic lupus ... differential #diagnosis ... #rheumatology #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... Post-strep GN, Lupus ... involvement: Anti-GBM Disease ... #differential # ... diagnosis #algorithm
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... vasculitis, rheumatoid ... Erythematosus #Diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... Cryoglobulins: - Composed ... Labs/Diagnosis: ... (e.g. systemic lupus ... #types #classification
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
during hemolytic disease ... , and systemic lupus ... - Contact dermatitis ... #Pathophysiology ... #Allergy #Diagnosis
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... • Neutrophilic dermatosis ... to cold IgG • Lupus ... Hematology #Monoclonal #Differential ... #Diagnosis #Oncology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess Pathophysiology ... Blastomyces - Dermatitidis ... Lung Abscess Differential ... Vasculitis (e.g. ... Abscess #pulmonary #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema ab igne • A dermatosis ... of necrotizing vasculitis ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology