12 results
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... lung disease ... lupus erythematosus ... vasculitis #differential ... #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Diagnosis for Pulmonary ... Renal Syndromes ... lupus erythematosus ... #Renal #Syndrome
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and renal abnormalities ... Diagnosis: Systemic ... lupus erythematosus ... , and SLE) • Urinalysis ... differential #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Diagnosis: • ANCA-associated ... lupus erythematosus ... #Systemic #Lupus ... #Diagnosis #Rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
lupus erythematosus ... lupus erythematosus ... : Lupus (SLE), Systemic ... , Interstitial Pulmonary ... #diagnosis #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... of Systemic Lupus ... disease (30%): ... #SLE #systemic ... #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Systemic lupus ... lupus erythematosus ... [SLE], AOSD) • ... #Syndrome #Diagnosis ... #Management #Hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... and renal abnormalities ... Vasculitis Differential ... Diagnosis: • Systemic ... #Differential #Diagnosis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Interstitial lung ... , SLEPulmonary ... Vasculitis (e.g. ... #joint #pain #differential ... #diagnosis #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
: • Clinical triad ... • Autoimmune diseases ... Cutaneous small-vessel ... lupus erythematosus ... classification #rheumatology