49 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... number of systemic diseases ... Goldberg, M.D. - UCSD ... #Dermatology #SkinRash ... #Gangrenosum #UCSDH
3 Stages of Lyme Disease 
Early Lyme Disease 
 - Erythema migrans 
 - Constitutional symptoms
Stages of Lyme Disease ... - Erythema migrans ... Constitutional symptoms ... Gastrointestinal symptoms ... InfectiousDiseases #Diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Erythema marginatum ... Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... #differential #diagnosis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... - Differential Diagnosis ... • Erythema elevatum ... : • Behcet Disease ... #differential #diagnosis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... acneiform lesions, erythema ... like lesions, erythema ... meningitis), MCC CNS symptoms ... management #signs #symptoms
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... (Granulomatous disease ... Differential Diagnosis ... Presentation - Systemic Symptoms ... differential #diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... of necrotizing vasculitis ... called "Bazin's disease ... so-called fifth disease ... #differential #diagnosis
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
- Differential Diagnosis ... Systemic Rheumatic Disease ... Erythematous, Systemic Vasculitis ... Undifferentiated UCSD ... #Differential #Diagnosis
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
- Differential Diagnosis ... gonorrhea, Rickettsial diseases ... Noninfectious: SJS/TEN, Erythema ... Sweet syndrome, Vasculitis ... #Differential #Diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... - Bone marrow disease ... Von Willebrand disease ... reactions • Erythema ... #Differential #Diagnosis