14 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
: • Vascular occlusion ... Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... Associated - SLE ... #nonpalpable #dermatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... disease (10%) : SLE ... #dermpath #dermatology ... #semiology #signs ... lesions #diagnosis #clinical
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... (SLE) General: ... Butterfly rash, Vasculitis ... Demyelinating syndromes ... erythematosus #signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... such as systemic lupus ... reactions, and vaso-occlusive ... purpura: strong sign ... , and SLE) • Urinalysis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... : • Clinical triad ... (e.g. systemic lupus ... erythematosus (SLE
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... osmolarity If cause ... investigations depending on clinical ... context and signs ... Glomerulonephritis / Vasculits
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
disease (SVC/IVC occlusion ... (Clinical Dx). ... Oral aphthae : SLE ... • Arthritis: SLE ... diagnosis #management #signs
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... hypertension and signs ... 109 mm Hg) with clinical ... renal bruit or signs ... Coarctation of aorta, Vasculitis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... reactions, and vaso-occlusive ... purpura: Strong sign ... tract, and often causes ... • Cogan syndrome
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Episcleritis Signs ... Causes: - Idiopathic ... Leukocytoclastic vasculitis ... - Lupus - Leukemia ... #diagnosis #dermatology