12 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Lymphohistiocytosis (HLH ... Overwhelming clinical syndrome ... / Diagnosis: HLH ... Lymphohistiocytosis #diagnosis #management ... #treatment #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH ... ) Pathophysiology ... • Familial HLH ... 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
Macrophage Activation Syndrome ... lymphohistiocytosis (HLH ... • HLH Labs: ... #Diagnosis #Management ... #Hematology #Rheumatology
Consensus Indications for Irradiated RBC Transfusions:

Cellular blood components are irradiated for the prevention of TA-GVHD. Transfused
disorders (DiGeorge Syndrome ... products (e.g., HLA-matched ... , HLA-"compatible ... #Indications #Hematology ... #BloodBank #Management
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... Leukostasis: • Pathophysiology ... : • Pathophysiology ... TLS #diagnosis #management ... #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Disease, PRES Pathophysiology ... CNS #neurology #rheumatology ... cerebritis #diagnosis #management
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
• Nephrotic Syndrome ... Liver, IBD • COVID ... fulminans - COVID ... Venous #Arterial #pathophysiology ... #hematology #differential
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
disease 2019 (COVID ... affected tissue • Angio ... Antiphospholipid syndrome ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... common in Asia • HLA-B51 ... tests in Behcet syndrome ... #diagnosis #management ... signs #symptoms #rheumatology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... ATRA treatment Pathophysiology ... Differentiation #Syndrome ... APML #diagnosis #management ... #hematology #oncology