20 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... - Skin, glomeruli ... purpura: strong sign ... Small Vessels: Skin
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... the Nikolsky sign ... staphylococcal scalded skin ... the Nikolsky sign ... fever or Nikolsky sign
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Combination of Skin ... on texture of skin ... migrans: • Target sign ... dermatology #arthritis #skin ... #differential #
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Polyneuropathy, Cranial nerve ... erythematosus #signs
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Infection - Vasculitis ... cryoglobulins • Skin ... #Differential # ... #dermatology #physicalexam
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Purpura, ischemic skin ... purpura: Strong sign ... cmpkx deposits skin ... : • Skin lesions
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Ill-appearing, vital sign ... New-onset fever with rash ... sulfa-drug - Skin ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
Kawasaki Disease: Clinical Findings
Diagnostic Criteria - Fever and 4/5 of the following:
 • Conjunctivitis
 • Polymorphous
• Polymorphous rash ... hands & feet Signs ... - Generalized Skin ... Pathophysiology #Signs ... #Symptoms #Vasculitis
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... painless, no systemic signs ... biopsy preferred Differential
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
plugging -> Discoid Rash ... inflammation on skin ... Malar (butterfly) Rash ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis #signs