12 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
the context of cutaneous ... Connective tissue disease ... #dermatology #semiology ... #signs #lesions ... #diagnosis #clinical
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura - Diagnostic ... Algorithm. ... ) or disorders of ... . 2) When cutaneous ... #Dermatology #Rash
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
- Differential Diagnosis ... Algorithm Thrombocytopenia ... Sequestration Disordered ... • Steroids • Vasculitis ... #Hematology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... - Differential Diagnosis ... Tanning • Adverse cutaneous ... • Addison's disease ... #skin #dermatology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Algorithm Physical ... insufficiency • Vasculitis ... Mycosis fungoides (cutaneous ... • Factitious disorder ... ulcerative #skinrash #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... aphthous ulcers, cutaneous ... episcleritis as well as inner ... purpura: strong sign ... of cutaneous leukocytoclastic
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... lymphoproliferative disorder ... nose, ears, or fingers ... presentation) • Cutaneous ... hemolytic #anemia #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... Algorithm • Sickle ... cardiac valve, vasculitis ... Consider RBC membrane disorder ... #hematology #testing
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... purpura: Strong sign ... of cutaneous leukocytoclastic ... episcleritis as well as inner
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Algorithm Diffuse ... Tanning • Adverse cutaneous ... • Addison's disease ... Hyperpigmentation #disorders ... #skin #dermatology