13 results
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Hemophagocytic Lymphohistiocytosis ... Overwhelming clinical syndrome ... >500 ng/mL • Elevated ... #Hemophagocytic ... #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Hemophagocytic Lymphohistiocytosis ... (HLH) Pathophysiology ... Unknown cause Treatment ... #Hemophagocytic ... #summary #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
A subset of hemophagocytic ... lymphohistiocytosis (HLH ... • HLH Labs: ... Treatment: • Corticosteroids ... #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
Hemophagocytic Lymphohistiocytosis ... Hyperferritinemia - Elevated ... Pathophysiology ... Elevated soluble ... #HLH #Hemophagocytic
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... organ damage • Treatment ... : • Pathophysiology ... Low calcium • Treatment ... 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 ... Puncture, EEG Treatment ... Erythematosus #SLE #CNS #neurology ... #rheumatology #
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Etiology: • Pathophysiology ... CSF: Modestly elevated ... An elevated white ... epilepticus Treatment
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... Triggers: ATRA treatment ... Pathophysiology ... if WBC > 5 or elevated ... Renal Failure Treatment
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Pathophysiology ... with SPS have elevated ... Treatment: • ... Diagnosis #Management #treatment ... #neurology
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 ... skin injury) • Neurologic ... Arthritis, AS Treatment ... signs #symptoms #rheumatology