9 results
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... • Sickle Cell Anemia ... Cryoglobulinemia Infectious ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
(5%): PAN > GPA ... (3%) • Infections ... #dermpath #dermatology ... #semiology #signs ... pathology #lesions #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... to exclude are infections ... purpura: strong sign ... , testes -> pain ... #rheumatology #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... • Symptoms of anemia ... younger pts) Differential ... chills, flank pain ... #hematology #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... purpura: Strong sign ... involvement, abdominal pain ... Diagnosis #Rheumatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Episcleritis Signs ... Inflammation and pain ... , breast CA - Hematologic ... Leukocytoclastic vasculitis ... #oncology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... very remarkable w/differential ... vs infection vs ... systemic complaints- anemia ... claudication: pain
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... ANCA-associated vasculitis ... fibromyalgia) • Infections ... Arthritis: • Joint pain ... lymphopenia, low PLT • Anemia
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
History of EBV infection ... • Pain in LN ... Immunohistochemical studies (to differentiate ... classification #hematology ... #oncology #management