14 results
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
• Secondary (Acquired ... 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
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
the study) • Triggers ... Pathophysiology ... Diagnosis: >3 symptoms ... #diagnosis #management ... #hematology #oncology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
) Pathophysiology ... Purtilo (XLP) Acquired ... Lymphohistiocytosis #diagnosis #management ... #treatment #summary ... #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
signs and symptoms ... Low or absent NK cell ... • Bicytopenia Treatment ... Lymphohistiocytosis #diagnosis #management ... #treatment #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
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
Diagnosis and Management ... , signs, and complications ... transformation into AML ... with evidence of acquired ... #hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... WBC >100k, + lab signs ... into serum • Triggers ... TLS #diagnosis #management ... #hematology
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
Diagnosis and Management ... Vitamin C is required ... Psychiatric symptoms ... Loss of teeth Anemia ... vasculitis Treatment