12 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Cranial nerve lesions ... ) Blood (75%): Anemia ... SLE #systemic #erythematosus ... #signs #symptoms ... #diagnosis #rheumatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Diagnosis Algorithm ... Erythrematous ... Auspitz sign, Koebner's ... (Ring- shaped) lesion ... #Differential #
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
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Systemic Lupus Erythematosus ... - Hemolytic anemia ... #signs #symptoms ... #mimickers #differential ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
papulosquamous lesions ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... lymphopenia, low PLT • Anemia ... #Diagnosis #Rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... hyperkeratotic lesions ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemic skin lesions ... ischemia - Skin: erythematous ... systemic lupus erythematosus ... purpura: strong sign ... #diagnosis #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... very remarkable w/differential ... systemic complaints- anemia ... required due to skip lesions ... GCA #Temporal #Signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... purpura: Strong sign ... ischemia • Skin: Erythematous ... #Diagnosis #Rheumatology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... papules, pustules, erythematous ... 100% of cases), anemia
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
presenting with erythematous ... classic targetoid lesions ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology