16 results
diagnosis rheumatology differential management erythematosus igg4 lupus pathophysiology pulmonary sle systemic anca associated canca causes champs criteria cryoglobulinemia cryoglobulins disease
Pathophysiology of Hypocomplementemic Urticarial Vasculitis C1q/anti-C1q antibiody -> Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology of Hypocomplementemic ... Urticarial Vasculitis ... Complex Formation - Complement ... Formation -> Vasculitis ... TerrierBen #Hypocomplementemic
Causes of Hypocomplementemia - CHAMPS Mnemonic C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis H - Heavy Chain deposition
Causes of Hypocomplementemia ... Erythematosus (total 50, renal ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Vasculitis and Vasculitides - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions •
pulmonary and renal ... Urticaria and hypocomplementemia ... against MPO • Complement ... • Urinalysis (Renal ... #rheumatology #classification
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis 90%: -
Pulmonary Renal ... ANCA Associated Vasculitis ... anti-GBM) 10%: - Low Complement ... - Normal Complement ... Crisis, IgA Vasculitis
ANCA-Associated Vasculitis A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated Vasculitis ... , small-vessel vasculitis ... Complement levels ... polyangiitis without renal ... polyangiitis - MPO>PR3 Renal-limited
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
staining (lg + complement ... MGPN • Complement ... of alternative complement ... immune deposits on EM ... nephrology #diagnosis #renal
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings - Infectious Agents - 50% have
IgA Vasculitis – ... Activation of complement ... Intussusception - Renal ... nephritic syndrome, renal ... #HSP #IgA #Vasculitis
Vasculitis - Differential Diagnosis Framework When to Consider Vasculitis: • Purpura, ischemic skin lesions • Mononeuritis multiplex • Hematuria, proteinuria,
Vasculitis - Differential ... When to Consider Vasculitis ... pulmonary and renal ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Cryoglobulinemia Summary Cryoglobulins: • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Low serum C4 complement ... • IgA vasculitis ... • Vasculitis ... diagnosis #types #classification ... #rheumatology #vasculitis
IgG4-Related Disease Clinical history: Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor 4 phenotypes: •
pancreas, biliary, renal ... rheumatoid factor), ± hypocomplementemia ... No necrosis, No vasculitis
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