18 results
Allopecia - Differential Diagnosis Framework for Hair Loss

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

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... Irreversible-biopsy required • Lupus ... • Discoid lupus ... Differential #Diagnosis #Algorithm ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Differential Diagnosis Algorithm ... ) • Nummular Dermatits ... #Eczematous #SkinRash ... Differential #Diagnosis #Algorithm ... #causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... • Hereditary nephritis ... IgA, post-strep, lupus ... and >3.5g/day (nephrotic ... glomerulonephritis • Lupus
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Photosensitivity, Alopecia ... , oral ulcers, Lupus ... nephritis, NPSLE ... Positive in 60-80% of cases
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
cases, drug-dependent ... Discontinuation of causal ... Photosensitivity, Alopecia ... nephritis, NPSLE ... Lupusreference #druginduced
Great Mimickers - SHALLOTS Mnemonic

S- Syphilis - Neurosyphilis, aortitis, gummas... Granulomas can form anywhere! Skin, mucosa,
HIV - Hepatitis, dermatitis ... What doesn't HIV cause ... anything L - Lupus ... ulcers, arthritis, alopecia ... Could be lupus in
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... IgA, post-strep, lupus ... Acute Interstitial Nephritis ... legionella) • Immune (lupus ... Differential #Diagnosis #Algorithm
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Differential Diagnosis Algorithm ... drinks • Perioral Dermatitis ... #Pustular #SkinRash ... Differential #Diagnosis #Algorithm ... #causes