37 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... - Hemolytic anemia ... SLE) - Viral infections ... APLS • Acute Infectious ... #Differential #Diagnosis
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... deficiency • Fanconi’s anemia ... deficiency Infections ... • Epstein-Barr virus ... #Hematology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Connective tissue disease ... (3%) • Infections ... #dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... hemolysis, deficiency anemia ... Rheumatologic, Vasculitides ... , IBD, Celiac disease ... #Differential #Diagnosis
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
- Differential Diagnosis ... • Neurologic: ... Trauma, TBI, Tumor, Vasculitis ... deficiency, Thyroid disease ... • Infectious:
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... cardiac valve, vasculitis ... inclusions - If infection ... Algorithm #workup #hematology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Anemia • ... Malignancy Infectious ... Obstructive Pulmonary Disease ... Neurologic
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... • Symptoms of anemia ... anemia • Cold ... #hemolytic #anemia ... #hematology #diagnosis
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
DiabetesB12 deficiency, Uremia ... Chemotherapy • Infectious ... Guillain-Barre, Vasculitis ... #differential #diagnosis ... #causes #neurology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Findings - Infectious ... respiratory tract infections ... i.e., influenza virus ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs