8 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... erythematosus ... totalis (all scalp ... • Discoid lupus ... erythematosus
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Differential Diagnosis Algorithm ... Erythrematous ... soles • Discoid Lupus ... Erythematous - ... Papulosquamous #SkinRash
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
cellulitis of the scalp ... Disease: Discoid lupus ... erythematosus, ... : Lupus erythematosus ... DHEAS) • ANA
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SCLE): • Photosensitive ... permanent alopecia ... Malignancy (e.g. hematologic ... • Nonscarring alopecia ... vein thrombosis Hematologic
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Differential Diagnosis Algorithm ... Eczematous - Pruritic/Scaly ... papules and vesicles ... distinct margins on scalp ... #Eczematous #SkinRash
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Differential Diagnosis Algorithm ... Irreversible-biopsy required • Lupus ... erythematosus ... totalis (all scalp ... and facial hair
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Differential Diagnosis Algorithm ... Pruritic / Scaly ... papules and pustules ... #Pustular #SkinRash ... #dermatology #Differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
is rare in DIL, SCLE-DIL ... Erythematosus ( ... Photosensitivity, Alopecia ... Workup: - ANA ... comparison #table #rheumatology