33 results
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... foliaceus - Infectious ... Vesiculobullous #SkinRash ... #dermatology #Differential ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... macules, papules, vesicles ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... - Differential Diagnosis ... #Eczematous #SkinRash ... #dermatology #Differential ... #causes
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
virus mediated infection ... All vessicles in ... this case have ... Clinical #Photo #Dermatology ... #SkinRash #Herpes
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... borders of lips Infectious ... #Pustular #SkinRash ... #dermatology #Differential ... #causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
- Differential Diagnosis ... Algorithm Elevated - Vesicles ... #skinlesions #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... - Trauma - Infection ... #Algorithm #Causes ... #dermatology #physicalexam
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
a dermatophyte infection ... Caused by saprophytic ... erythematous Diagnosis ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
Anaplasma Infection ... shaking chills • Rash ... ), cough (30% cases ... #Anaplasma #Infection ... #diagnosis #microbiology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Palpable purpura • Vesicles ... Differential Diagnosis ... #rash #diagnosis