5 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 ... • Limited to Kidney ... Glomerulonephritis #Vasculitis ... #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Lymphoma (HCV) • CLL ... Autoimmunity: • -MM/WM: Vasculitis ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... Differential #Diagnosis #Oncology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Skin Disease Classification ... Non-autoimmune rheumatologic ... C4) • ds-DNA: Kidney ... • Kidney biopsy
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... such as systemic lupus ... , and SLE) • Urinalysis ... differential #diagnosis #rheumatology ... #classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Rapidly progressing GN ... diseases, such as SLE ... CRP GCA (Giant Cell ... musculoskeletal systems • Kidneys ... Differential #Diagnosis #Rheumatology