16 results
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... presentation, this diabetic ... at the site of infection ... Images #Clinical #Photo ... #Dermatology #SkinRash
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Necrotizing Fasciitis ... African-American patient with diabetes ... As the infection ... Images #Clinical #Photo ... #Dermatology #Leg
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... Malar rash • SLE ... parvovirus B19 infection ... lesions • Discoid lupus ... Sarcoidosis #dermatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
disease (10%) : SLE ... vasculitis (10%) • Necrotizing ... vasculitis (3%) • Infections ... Vasculitis #dermpath #dermatology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
foliaceus - Infectious ... Bullous systemic lupus ... tarda • Diabetic ... Vesiculobullous #SkinRash #dermatology
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... presentation, this diabetic ... at the site of infection ... Images #Clinical #Photo ... #Dermatology #SkinRash
Subacute Cutaneous Lupus erythematosus (SCLE): Erythematous, warm, plaques in light exposed distribution (also on patient's neck),
Subacute Cutaneous Lupus ... Subacute Cutaneous Lupus ... Images #Clinical #Dermatology ... Subaute #Cutaneous #Lupus ... #Photo #UCSDH
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
multiforme • Acute necrotizing ... Herpes simplex infection ... Lichen planus • Lupus ... mouth #SkinRash #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
MPO > PR3 - Necrotizing ... PR3-ANCA) - Necrotizing ... such as systemic lupus ... to exclude are infections ... vasculitis, and SLE
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... SJIA], systemic lupus ... erythematosus [SLE ... ], AOSD) • Infection ... Diagnosis #Management #Hematology