17 results
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Differential Diagnosis Algorithm ... • Contact dermatitis ... Bullous systemic lupus ... drug eruption #Vesicular ... Vesiculobullous #SkinRash
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Differential Diagnosis Algorithm ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #SkinRash #dermatology ... Differential #Diagnosis #Algorithm
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Differential Diagnosis Algorithm ... insufficiency • Vasculitis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Pigmented Purpuric Dermatosis ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Differential Diagnosis Algorithm ... • Pulmonary Vasculitis ... • Lupus Erythematosus ... Goodpasture's Syndrome ... polyangiitis Vascular
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Differential Diagnosis Algorithm ... • Radiation Vascular ... insufficiency • Vasculitis ... • Bleomycin Hematologic ... Ulcers #ulcerative #skinrash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... and bullous or vesicular ... • Cogan Syndrome ... lesions-interstitial keratitis ... such as systemic lupus
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Neutrophilic dermatosis ... to cold IgG • Lupus ... Subcorneal pustular dermatosis ... (Thrombosis in vascular ... Paraproteinemias #Hematology
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Differential Diagnosis Algorithm ... Stevens-Johnson Syndrome ... • Systemic lupus ... • Behcet's syndrome ... Lichen Planus - Reticular
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Vascular Sludging ... Hyperviscosity Syndrome ... 20% Sjögren's syndrome ... (e.g. systemic lupus ... classification #rheumatology