11 results
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
insufficiency • Vasculitis ... cell carcinoma • Melanoma ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Bullae/Blisters • Ulceration ... reticularis Differential ... #dermatology #rash
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... Connective tissue disease ... (5%): PAN > GPA ... #dermpath #dermatology ... lesions #diagnosis #clinical
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... which causes slowly ... progressive ulceration ... , it is most commonly ... #Photo #Dermatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
of age • Most common ... more): Genital ulceration ... ) Differential Diagnosis ... Lymphoma Ocular melanoma ... Syndrome #diagnosis #management
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... arthralgia, arm/leg ... Nodosa: • PAN most commonly ... MPO > PR3 60/ GPA ... tract, and often causes
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... unless levels are less ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
definition: Most common ... systemic inflammatory vasculitis ... Diagnosis = clinical ... very remarkable w/differential ... Symptoms #Diagnosis #Management
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... surrounding erythema • Melasma ... often showing ulceration ... ; pruritis #dermatology ... #rash #differential
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Hodgkin Lymphoma - Clinical ... (NSHL) - (most common ... number of sites of disease ... classification #hematology ... #oncology #management