16 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... lesions • Discoid lupus
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... erythematous, maculopapular ... fever and systemic signs ... petechiae; #purpura; #rash
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Combination of Skin ... Suggestive of: Lupus ... Suggestive of: Lupus ... on texture of skin ... migrans: • Target sign
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
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... erythematosus #signs
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - ... Ill-appearing, vital sign ... sulfa-drug - Skin ... #Dermatology #Rash ... #Maculopapular
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Pauci-immune vasculitis ... lesions (9.4%) • Maculopapular ... rash (6.7%) • ... Granulomatous vasculitis ... #dermatology #rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... inflammation Others: • Lupus ... mucositis - Rash ... such as systemic lupus ... purpura: strong sign
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... Infection - Vasculitis ... - Autoimmune Vasculitis ... (lupus, RA, Sjogren's ... cryoglobulins • Skin
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
evidence of (fatigue, rash ... 3rd Decade Skin ... ANCA-associated vasculitis ... • Mesenteric vasculitis ... Seizures • Strokes Skin