7 results
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
false negative (small ... rheumatoid factor), ± hypocomplementemia ... No necrosis, No vasculitis ... Disease #diagnosis #management ... workup #treatment #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
abnormalities SMALL ... Urticaria and hypocomplementemia ... pain, infarct • Small ... against MPO • Complement ... #classification
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
aortitis, mimics vasculitis ... - ↑ IgE, ↓ complement ... • Classification ... mimics excluded MANAGEMENT ... #Management #Rheumatology
Suggested algorithm for bone marrow biopsy and skeletal imaging in patients with monoclonal gammopathy of undetermined
Suggested algorithm ... patients with small ... low-risk MGUS (IgG ... #diagnosis #management ... #hematology #multiplemyeloma
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Low serum C4 complement ... • Cutaneous small-vessel ... diagnosis #types #classification ... #rheumatology # ... vasculitis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... Malignancy (e.g. hematologic ... inflammation of the small ... RNP antibodies, Complement
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Cytopenia: 2% • Hypocomplementemia ... nervous system: small-fiber ... ) • Cutaneous vasculitis ... Nephrogenic DI Hematologic ... #Diagnosis #Management