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

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Complement: Post-strep GN ... , Lupus Nephritis ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... ANCA associated vasculitis ... (RA), Systemic lupus ... erythematosus (SLE ... Differential #Diagnosis #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... , oral ulcers, Lupus ... Positive in 60-80% of cases ... life-threatening • Treatment ... Management #Summary #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... autoantibodies that will cause ... Puncture, EEG Treatment ... Erythematosus #SLE ... CNS #neurology #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
vs SLE Drug Induced ... constitutional symptoms • Treatment ... Discontinuation of causal ... life-threatening • Treatment ... #table #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Autoimmunity: • -MM/WM: Vasculitis ... Hypergammaglobulinemic macular Vasculitis ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... Differential #Diagnosis #Oncology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... tract, and often causes ... , and SLE) • Urinalysis ... differential #diagnosis #rheumatology ... #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Skin Disease Classification ... ANCA-associated vasculitis ... Non-autoimmune rheumatologic ... Erythematosus #Diagnosis #Rheumatology
Management of Lupus Nephritis
Lupus nephritis (LN) in 10 to 40% of SLE
Hallmark = proteinuria 20.5 g/g
in 10 to 40% of SLE ... severity (ISN/RPS classification ... by 12 months Classification ... Nephritis #Management #treatment ... #management #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... (e.g. systemic lupus ... diagnosis #types #classification ... #rheumatology #