11 results
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Differential Diagnosis Algorithm ... Erythrematous ... soles • Discoid Lupus ... Erythematous - ... Papulosquamous #SkinRash
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
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
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SCLE): • Photosensitive ... Non-autoimmune rheumatologic ... Malignancy (e.g. hematologic ... vein thrombosis Hematologic ... #Diagnosis #Rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Manifestations of Systemic Lupus ... Erythematosus ( ... Disease, PRES Pathophysiology ... #Erythematosus ... CNS #neurology #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Systemic lupus ... Associated with SCLE ... #erythematosus ... #diagnosis #rheumatology ... #table #ANA
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... erythematosus ... Alopecia totalis (all scalp ... • Discoid lupus ... erythematosus
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... Post-strep GN, Lupus ... (C-ANCA): GPA > ... differential #diagnosis #algorithm ... #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Drug Induced Lupus ... is rare in DIL, SCLE-DIL ... Erythematosus ( ... Workup: - ANA ... comparison #table #rheumatology
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Differential Diagnosis Algorithm ... Irreversible-biopsy required • Lupus ... erythematosus ... Alopecia totalis (all scalp ... and facial hair