36 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... a "wood-grain" appearance ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... SLE) - Viral infections ... APLS • Acute Infectious ... Vasculopathy #Purpura #Differential
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... - Differential ... Cryoglobulinemia Infectious ... #Differential # ... Diagnosis #Algorithm #causes
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... POCUS #radiology #differential ... #diagnosis #comparison ... #table #appearance ... #hepatology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... foliaceus - Infectious ... #Differential # ... Diagnosis #Algorithm #causes
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver ... CT #radiology #differential ... #diagnosis #comparison ... #table #appearance ... #hepatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Infections 2. ... trigger - Direct skin ... Urticaria #diagnosis #rheumatology ... #comparison #table
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential ... Cellulitis: Deep skin ... subcutaneous fat infection ... Pseudocellulitis #Differential ... #dermatology #skin
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... borders of lips Infectious ... Pustular #SkinRash #dermatology ... #Differential #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... drug reaction, infection ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology