340 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Lymphohistiocytosis (HLH ... age, however the disease ... cell activity • Ferritin ... • Bicytopenia Treatment ... diagnosis #management #treatment
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
dysfunction, ↑ Ferritin ... • Autoimmune diseases ... Adult-onset Still disease ... Unknown cause Treatment ... diagnosis #management #treatment
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... highly inflammatory disease ... hypersensitivity syndromes • HLH ... dehydrogenase • ↑ Ferritin ... Treatment: • Corticosteroids
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Hyperferritinemia Pearl: Diseases ... HLH 2. ... Still's disease ... histoplasmosis #Ferritin
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Lymphohistiocytosis (HLH ... lab findings in HLH ... : ↑↑ ferritin, Anemia ... consistent with HLH ... cell lines) • ↑ ferritin
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
Differential Diagnosis Ferritin ... > 1000 Ferritin ... hepcidin prevents ferritin ... HLH or Adult Onset ... In adults, HLH is
Proposed Treatment Algorithm for MAS / HLH

#MAS #HLH #Hemophagocytic #Lymphohistiocytosis #Management #Treatment #Algorithm #Hematology
Proposed Treatment ... Algorithm for MAS / HLH ... #MAS #HLH #Hemophagocytic ... Lymphohistiocytosis #Management #Treatment
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's Disease ... CRP, AST+ALT, ferritin ... AOSD: F>M, low ferritin ... synovitis (40%) Treatment ... AdultOnset #Stills #Disease
Iron Deficiency in Heart Failure - Diagnosis and Treatment Algorithm
Diagnosis: Ferritin <100 ng/mL (absolute ID) OR
Diagnosis and Treatment ... Algorithm Diagnosis: Ferritin ... absolute ID) OR Ferritin ... algorithm #cardiology #treatment
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
and Screen for HLH ... HLH syndrome 5. ... Metastatic Disease