13 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... phenomenon, SjS, cancer ... PBC, DM, other inflammatory ... #differential #diagnosis ... #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Drug-Induced, Inflammatory ... , Interstitial Pulmonary ... #patterns #rheumatology ... #diagnosis #differential
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... phenomenon, SjS, cancer ... PBC, DM, other inflammatory ... #differential #diagnosis ... #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... Associated Features: Cancer-associated ... heliotrope, shawl sign ... BrighamChiefs #Inflammatory ... #comparison #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... • Is there a pattern ... noninflammatory Signs ... weeks) Can Be Caused ... #MSK #rheumatology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
hematuria) • Inflammatory ... EGPA) • Auto-antibodies ... BNP, troponin if concern ... Goodpasture's cause ... • IF staining patterns
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
ab • RF • Antinuclear ... Hypocomplementemia • Can cause ... , INC risk PE, Pulmonary ... Nephrogenic DI Hematologic ... Sjogrens #Syndrome #Rheumatology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
(COVID-19) • Inflammatory ... thrombophlebitis, pulmonary ... Biopsy: Typical pathologic ... #rheumatology # ... hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Syndrome: - Ocular inflammatory ... purpura: strong sign ... : antibodies directed ... #rheumatology #
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
common systemic inflammatory ... systemic sx + signs ... Start steroids if concern ... them, but urgent rheumatology ... GCA #Temporal #Signs