83 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
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Churg-Strauss syndrome ... - Schnitzler syndrome ... - Sjögren syndrome ... #Vessels #Diagnosis ... #Rheumatology #Diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome ... • Vasculitis ... #differential #diagnosis
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... Interstitial lung disease ... and Sjogren's syndrome ... • IgA vasculitis ... #diagnosis
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... • Erythema elevatum ... : • Behcet Disease ... • Cogan syndrome ... #differential #diagnosis
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Giardiasis #Erythema ... #Differential #Diagnosis ... #Dermatology #SkinRash
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
- Differential Diagnosis ... ANCA Associated Vasculitis ... - Anti-GBM Disease ... , Behcet's Disease ... #Differential #Diagnosis
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
- Differential Diagnosis ... gonorrhea, Rickettsial diseases ... , Toxic shock syndrome ... Noninfectious: SJS/TEN, Erythema ... , Vasculitis SCVMC
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 ... ) Differential Diagnosis ... #diagnosis #management
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
- Diagnosis Diagnostic ... Uveitis or retinal vasculitis ... pseudofolliculitis, erythema ... uveitis, retinal vasculitis ... #disease #Diagnosis