63 results
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Lymphohistiocytosis (HLH ... lab findings in HLH ... Diagnostic Criteria for HLH ... consistent with HLH ... EricsMedicalLectures/ #HLH
Proposed Treatment Algorithm for MAS / HLH

#MAS #HLH #Hemophagocytic #Lymphohistiocytosis #Management #Treatment #Algorithm #Hematology
Algorithm for MAS / HLH ... #MAS #HLH #Hemophagocytic
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Lymphohistiocytosis (HLH ... / Diagnosis: HLH ... genetic testing for HLH-associated ... If no response HLH ... TheIDtrivia #HLH
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH ... assessment+++ Primary HLH ... • Familial HLH ... XLP) Acquired HLH ... Nicolas Taar #HLH
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
HLH 2.
Hemophagocytic Lymphohistiocytosis (HLH) Treatment
Primary HLH:
 - HLH-94 Protocol
    • Dexamethasone
Lymphohistiocytosis (HLH ... Treatment Primary HLH ... : - HLH-94 Protocol ... transplantation Secondary HLH ... cases include: HLH
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
and Screen for HLH ... HLH syndrome 5.
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
and Screen for HLH ... HLH syndrome 5
Conditions Associated With Hyperferritinemia 
DDx of extreme hyperferritinemia >10,000
Not just HLH - in fact, most common
10,000 Not just HLH ... Infection-Fungai - Primary HLH ... - Secondary HLH
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
erythematosus • HLH