10 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... erythematosus [SLE], AOSD ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
, difficult to diagnose ... malignant) to diagnose ... Life-threatening ... #rheumatology # ... diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Auto-amplification loop Diagnosis ... • Clinical: fever ... , ↓ Fibrinogen level ... #management #treatment ... #summary #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
following: • Fever ... lymph node, or liver ... If no response HLH ... #management #treatment ... #hematology
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
recognition and management ... diagnostic consideration ... Diagnostic Criteria ... Approach • Initial management ... #Management #Hematology
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
• Leukocytosis Diagnosis ... • If uncontrolled ... Stills #disease #AOSD ... #diagnosis #rheumatology ... #management
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Prophylaxis: • Attempt if ... high risk if WBC ... Subacute-Acute: • Common: fever ... #management #hematology ... #oncology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• Dyspnea • Fever ... lymph node biopsy (diagnostic ... marrow biopsy - if ... classification #hematology ... #oncology #management
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
S/sx: Fever, flank ... thrombocytopenia, may be life-threatening ... donors (due to anti-HLA ... #Transfusion #diagnosis ... #management #hematology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
S/sx: Fever, flank ... thrombocytopenia, may be life-threatening ... donors (due to anti-HLA ... #Transfusions #diagnosis ... #management #hematology