36 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
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
Reversible Neurocognitive Disorders (Reversible Causes of "Dementia")
 • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor
 • Infection:
, Whipple's disease ... , Sleep apnea, Vasculitis ... , Nutritional UCSD ... #differential #diagnosis ... #causes #neurology
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
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... #differential #diagnosis ... #nephrology
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
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Behcet's Syndrome - Diagnosis ... Diagnostic Criteria ... Uveitis or retinal vasculitis ... pseudofolliculitis, erythema ... uveitis, retinal vasculitis