10 results
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
classic trailing scale ... Most cases are idiopathic ... infections, drugs, systemic ... EAC #clinical #photo ... #dermatology #skinrash
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
cases, drug-dependent ... Discontinuation of causal ... months to years) Systemic ... Positive in 60-80% of cases ... #sle #comparison
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... • Bullous systemic ... lupus erythematous ... Vesiculobullous #SkinRash ... #causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... scarring • Subacute cutaneous ... annular/polyclinic ... La, anti-Jo-1, SCL ... #Systemic #Lupus
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... response -> Subacute cutaneous ... lupus: scaly annular ... hair follicles -> causes ... Malar (butterfly) Rash
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... (Ring Worm) - Annular ... soles • Discoid Lupus ... Papulosquamous #SkinRash ... #causes
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
to think about lupus ... everywhere) 2) A rash ... antibiotics] 6) An annular ... rash on the body ... #clues #system
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythema annulare ... : infections (cutaneous ... or systemic), malignancies ... multiforme • Acute systemic ... PrathitKulkarni #Erythemas #comparison
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... aphthous ulcers, cutaneous ... lupus erythematosus ... strong sign of cutaneous
Cutaneous Mucormycosis Eschar
30 M HIV cd4 10 VL 30k traumatic injury of arm few months ago
mucor cases may ... malnutrition, HIV, SLE ... wide excision & systemic ... therapy), some cases ... skin #clinical #photo