13 results
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... Diagnosis Algorithm ... Pyoderma gangrenosum Vascular ... #ulcerative #skinrash ... #Algorithm #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... Algorithm Physical ... Mycosis fungoides (cutaneous ... #ulcerative #skinrash ... #Algorithm #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... Bullous systemic lupus ... drug eruption #Vesicular ... Vesiculobullous #SkinRash ... #Algorithm #causes
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
cases, drug-dependent ... Alopecia, oral ulcers ... Positive in 60-80% of cases ... #sle #comparison ... #rheumatology #diagnosis
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
response -> Subacute cutaneous ... hair follicles -> causes ... Malar (butterfly) Rash ... > Mouth, Nasal Ulcers ... pathophysiology #diagnosis
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Algorithm Eczematous ... veins, venous ulcers ... #Eczematous #SkinRash ... #Algorithm #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential Diagnosis ... soles • Discoid Lupus ... Papulosquamous #SkinRash ... #Algorithm #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Autoimmune Vasculitis (lupus ... for hepatitis B and ... #Algorithm #Causes
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... effusion), mouth (ulcers ... maculopapular rash ... vesicular rash, ... Nephrocalcinosis causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... vesicular eruption ... mucositis - Rash ... , cutaneous, ocular ... such as systemic lupus