22 results
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... (GCA), Takayasu's ... Nodosa (PAN), ANCA ... Systemic lupus erythematosus ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... and branches • GCA ... systemic lupus erythematosus ... purpura: strong sign ... #rheumatology #
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Systemic lupus erythematosus ... Vasculitis: • ... Renal-limited vasculitis ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
small vessels - ANCA-associated ... systemic lupus erythematosus ... #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Vesicopustule on erythematous ... Hypersensitivity vasculitis ... Sarcoidosis • GPA ... #differential #diagnosis ... #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... • ANCA Associated ... : • Temporal arteritis ... #dermatology #rheumatology ... #differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... develop in pts with GCA ... ischemia • Skin: Erythematous ... tract, and often causes ... #Rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... (C-ANCA): GPA > ... Glomerulonephritis #Vasculitis ... #differential #diagnosis ... #algorithm #rheumatology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
of giant cell arteritis ... visual loss caused ... Doppler US : halo sign ... #Rheumatology # ... Ophthalmology #Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... vasculitis, rheumatoid ... Non-autoimmune rheumatologic ... • Mesenteric vasculitis ... #Diagnosis #Rheumatology