49 results
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
recognition and management ... Presentation • Common Signs ... and Symptoms: ... Pathophysiology ... #Hematology #HemeOnc
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 ... • Bicytopenia Treatment ... Lymphohistiocytosis #diagnosis #management ... #treatment #hematology
Thyrotoxic Periodic Paralysis - Illness Script
 • Epidemiology: Asian men age 20-30 with hyperthyroidism of any
any etiology • Trigger ... and menses • Pathophysiology ... thyroid hormone • Symptoms ... /signs: Episodes ... or high T3 • Treatment
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
environmental triggers ... HLA-DR4 mutation ... yrs old; F>M Signs ... /Symptoms: - Fever ... Temporal #Arteritis #Pathophysiology
Hemophagocytic Lymphohistiocytosis (HLH) Treatment
Primary HLH:
 - HLH-94 Protocol
    • Dexamethasone
) Treatment Primary ... varies depending on trigger ... autoimmune disease, treatment ... #Treatment #management ... #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... • HLH Labs: ... Treatment: • Corticosteroids ... #Diagnosis #Management ... #Hematology #Rheumatology
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
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
the study) • Triggers ... Pathophysiology ... Diagnosis: >3 symptoms ... APML #diagnosis #management ... #hematology #oncology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... and symptoms: ... megaloblastic anemia Treatment ... Anemia #diagnosis #management ... #treatment #hematology