55 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... staphylococcal scalded skin ... syndrome (SSS) ... includes Kawasaki disease ... and toxic shock syndrome
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Vesicopustule on erythematous ... Antiphospholipid-antibody syndrome ... Discoid lupus erythematosus ... #differential #diagnosis
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Associated with skin ... block • Sjogren syndrome ... #SLE #Summary #diagnosis ... #rheumatology #management
Primary Sjogren’s Syndrome: Pathogenesis and Clinical Findings
• Primary Sjögren's is a solitary process whereas secondary Sjögren's
systemic lupus erythematosus ... (SLE) Signs / ... Xeroderma (Dry skin ... Pathophysiology #Diagnosis ... #Signs #Symptoms
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... exposure • Diffuse erythematous ... Scarlet #fever #diagnosis ... #clinical #photo ... #signs #symptoms
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
wax and wane; diagnosis ... trauma leads to skin ... Papulonodular, erythematous ... painless, no systemic signs ... Infection #clinical #photo
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Differential Diagnosis ... Shrinking lung syndrome ... Seizures • Strokes Skin ... #Diagnosis #Rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
purpuric macules • Erythematous ... • Ulcerated, erythematous ... Differential Diagnosis ... • Goodpasture syndrome ... dermatology #rash #diagnosis
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Interstitial lung disease ... systemic lupus erythematosus ... and Sjogren's syndrome ... in absence of skin ... #differential #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Demyelinating syndromes ... pain (20%) Renal disease ... #signs #symptoms ... #diagnosis #rheumatology