57 results
A non-subtle example of true Sezary syndrome.  Patient presented with erythroderma without antecedent history of
of true Sezary syndrome ... mjcascio #Sezary #Syndrome ... Pathology #Smear #Microscopy ... #Hematology
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
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
hemolytic anemia (e.g ... Smear #Analysis #hematology ... #microscopy #interpretation
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 ... Management #treatment #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
• Thrombus (e.g ... Myeloproliferative disorders (eg ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
(usually IgG) (e.g ... (usually IgM) (e.g ... deficiencies (e.g ... Membrane defects (e.g ... differential #diagnosis #hematology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
La) - Sjogren's syndrome ... - Vasculitis, e.g ... - Vasculitis, e.g ... Microscopic polyangiitis ... diagnosis #table #rheumatology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
count, D-dimer, egg ... hemolytic #anemia #Hematology ... Pathology #Smear #Microscopy
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
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
factor activity (e.g ... clotting test (e.g ... Study #diagnosis #hematology ... pathophysiology #hematology