6362 results
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
pro-inflammatory cytokines ... hemophagocytosis and cytokine ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
activation and cytokine ... Presentation / Diagnosis ... Diagnosis via genetic ... Infection should be diagnosed ... management #treatment #hematology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Pathophysiology: • Cytokine ... opacities • Diagnosis ... • Differential Diagnosis ... Syndrome #APML #diagnosis ... #management #hematology
Hypothermia in Sepsis - Pathophysiology
 • 20% of septic pts → HYPOTHERMIA
 • Increased mortality 62%
proinflammatory cytokines ... anti-inflammatory cytokine
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
- Differential Diagnosis ... Infiltration: • Hematologic ... and non-hematologic ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Thrombotic Microangiopathies In Systemic Lupus Erythematosus

Dr. Laurent ARNAUD @Lupusreference

#TMAs #Thrombotic #Microangiopathies #Systemic #Lupus #Erythematosus #SLE #hematology
Erythematosus #SLE #hematology ... #rheumatology # ... differential #diagnosis
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
suspect underlying hematologic ... disorders • Diagnosis ... Syndrome #HES #Hematology ... #eosinophils #diagnosis
Cutaneous Manifestations of Monoclonal Gammopathy
 • Extravascular lg Deposits: Systemic amyloidosis, Nodular amyloidosis, Macroglobulinoderma, Follicular hyperkeratotic
Xanthomatosis • Cytokine ... manifestations #dermatology
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Anaphylatoxins, Chemokines, Cytokines ... Pathophysiology #Rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Non malignant hematologic ... states • Non-hematologic ... #Differential #Diagnosis ... Algorithm #Causes #Hematology