11 results
Primary Sjogren’s Syndrome: Pathogenesis and Clinical Findings
• Primary Sjögren's is a solitary process whereas secondary Sjögren's
Primary Sjogren’ ... like rheumatoid arthritis ... (RA) or systemic ... lupus erythematosus ... Xeroderma (Dry skin
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... - 10% SLE or RA ... reticularis & skin ... (e.g. systemic lupus ... classification #rheumatology
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Disease: Systemic Lupus ... Erythematous, Systemic Vasculitis ... Systemic Sclerosis, Sjogren's ... Undifferentiated UCSD ... Differential #Diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... gangrenosum • IBD • RA ... Antiphospholipid-antibody syndrome • Vasculitis ... lesions • Discoid lupus ... differential #diagnosis #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Scleritis - RA ... Lyme disease, Vasculitis ... enlargement - Sjögren's ... Scleroderma Thickened skin ... differential #diagnosis #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(15%) Skin (85% ... Butterfly rash, Vasculitis ... of hip (rare), Arthritis ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... such as systemic lupus ... purpura: strong sign ... Serologies for Cryoglobulins ... differential #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Infection - Vasculitis ... - Autoimmune Vasculitis ... (lupus, RA, Sjogren's ... immunoglobulins & cryoglobulins ... • Skin biopsy
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... dermatomyositis, Sjogren ... Non-autoimmune rheumatologic ... Seizures • Strokes Skin ... Erythematosus #Diagnosis #Rheumatology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
overlaps with RA ... ) • Cutaneous vasculitis ... : 2% Systemic Vasculitis ... Arthralgia and Arthritis ... #Syndrome #Rheumatology