9 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
- Differential Diagnosis ... Folliculitis decalvans, Tinea ... Disease: Discoid lupus ... Broken Hair Shafts: Tinea ... Scarring Alopecia: Lupus
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
- Differential Diagnosis ... • Contact dermatitis ... Bullous systemic lupus ... Vesiculobullous #SkinRash ... #Differential #Diagnosis
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... ) Differential Diagnosis ... Infectious • Tinea ... • Discoid lupus ... Shafts • Tinea
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
- Differential Diagnosis ... Herald's atch • Tinea ... soles • Discoid Lupus ... Papulosquamous #SkinRash ... #Differential #Diagnosis
Great Mimickers - SHALLOTS Mnemonic

S- Syphilis - Neurosyphilis, aortitis, gummas... Granulomas can form anywhere! Skin, mucosa,
HIV - Hepatitis, dermatitis ... anything L - Lupus ... Could be lupus in ... Fevers, weight loss ... SHALLOTS #Mnemonic #Diagnosis
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... Drug Induced Lupus ... - Cytopenia - Less ... #sle #comparison ... #rheumatology #diagnosis
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss ... - Differential Diagnosis ... Infectious • Tinea ... • Discoid lupus ... Shafts • Tinea
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... inflammation Others: • Lupus ... lesions-interstitial keratitis ... such as systemic lupus ... Anorexia • Weight loss
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
with motion • Lots ... Rheumatoid arthritis, Lupus ... #Degenerative #Comparison ... JointDisease #JointPain #Diagnosis