37 results
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
with the HLH syndrome ... and Symptoms: ... - Cytopenias (anemia ... Pathophysiology ... #Hematology #HemeOnc
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
Giant Cell (Temporal ... environmental triggers ... HLA-DR4 mutation ... - Normocytic Anemia ... Temporal #Arteritis #Pathophysiology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... and symptoms: ... stem cell transplant ... #diagnosis #management ... #treatment #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... • Triggers: Diuretics ... WBC >100k, + lab signs ... TLS #diagnosis #management ... #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... signs and symptoms ... Low or absent NK cell ... Lymphohistiocytosis #diagnosis #management ... #treatment #hematology
Hemophagocytic Lymphohistiocytosis (HLH) Treatment
Primary HLH:
 - HLH-94 Protocol
    • Dexamethasone
) Treatment Primary ... varies depending on trigger ... autoimmune disease, treatment ... #Treatment #management ... #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
with no early symptoms ... Physical Exam/Signs ... • Neutropenia, anemia ... microglobulin Treatment ... workup #oncology #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... cytopenias (usually anemia ... Allogeneic stem cell ... only curative treatment ... #treatment #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
) Pathophysiology ... Unknown cause Treatment ... Lymphohistiocytosis #diagnosis #management ... #treatment #summary ... #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... with leukopenia, anemia ... Treatment: • Corticosteroids ... #Diagnosis #Management ... #Hematology #Rheumatology