21 results
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
von Willebrand Syndrome ... Lymphoproliferative disorders (e.g ... Myeloproliferative disorders (e.g ... vonWillebrand #Syndrome ... #hematology #differential
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Toxic Damage (e.g ... Displacement (e.g ... Non-lmmune: • HELLP Syndrome ... Foreign Surface (e.g ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... Hemolytic uremic syndrome ... (usually IgG) (e.g ... (usually IgM) (e.g ... differential #diagnosis #hematology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Drugs (antibiotics e.g ... Sarcoidosis or Lofgren's syndrome ... Differential #Diagnosis #Dermatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Anticentromere - CREST syndrome ... La) - Sjogren's syndrome ... - Vasculitis, e.g ... - Vasculitis, e.g ... Goodpasture's syndrome
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) Syndrome Treatment
Stop offending agents:
 • List as allergies
Symptoms (DRESS) Syndrome ... Treatment Stop ... Methylprednisolone 0.5 - 1.5 mg/kg ... BrighamChiefs #DRESS #Syndrome ... #dermatology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... hyperviscosity syndrome ... unless worrisome EKG ... #Tumor #Lysis #Syndrome ... diagnosis #management #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
inflammatory disorders (e.g ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation Syndrome ... Periodic fever syndromes ... underlying disease (eg ... • Infection (eg ... Diagnosis #Management #Hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Myelodysplastic Syndromes ... Myelodysplastic syndromes ... (CML) • Felty Syndrome ... Myelodysplastic Syndrome ... #diagnosis #hematology