14 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: HLH signs and ... Hemophagocytosis in bone ... • Bicytopenia Treatment ... #management #treatment ... #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
) Pathophysiology ... , Biological + Bone ... /ml, ↑ LDH • Bone ... Unknown cause Treatment ... #management #treatment
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... Symptomatic anemia Diagnosis ... with hypocellular bone ... #management #treatment ... #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... hypersensitivity syndromes • HLH ... Treatment: • Corticosteroids ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
Polycythemia Vera (PV) - Diagnosis ... Management Summary Diagnostic ... Hypercellular bone ... present, symptoms, signs ... #hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
: 33% • Treatment ... , and CXR with pulmonary ... : No • Treatment ... Transfusion #Reactions #hematology ... #diagnosis #comparison
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... WBC >100k, + lab signs ... Lysis Syndrome: • Pathophysiology ... Syndrome #TLS #diagnosis ... #management #hematology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
- Differential Diagnosis ... Responsive to Treatment ... Amy Chung, MD, MSc ... Classification #pathophysiology ... #Hematology #Diagnosis
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Triggers: ATRA treatment ... Pathophysiology ... Imaging: CXR- pulmonary ... Renal Failure Treatment ... #management #hematology
Portopulmonary Hypertension
Presence of pulmonary arterial hypertension in a patient with portal hypertension
No other obvious causes (chronic
Hypertension Presence of pulmonary ... RVSP) - Estimates pulmonary ... m/s • Other signs ... pressure < 15mmHg TREATMENT ... #management #hepatology