14 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
) Pathophysiology ... • Autoimmune diseases ... Adult-onset Still disease ... #management #treatment ... #summary #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... • Systemic lupus ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
trigger - Direct ... and duration of symptoms ... angioedema Other symptoms ... #rheumatology # ... comparison #table
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
age, however the disease ... symptoms can mimic ... Diagnosis via genetic ... #management #treatment ... #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Cerebrovascular Disease ... , PRES Pathophysiology ... permeability Diagnosis ... CNS #neurology #rheumatology ... #management #treatment
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... Evolution: Chronic disease ... #sle #comparison ... #table #rheumatology ... #diagnosis #management
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... hyperviscosity syndrome • Triggers ... into serum • Triggers ... Syndrome #TLS #diagnosis ... #management #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
common in Asia • HLA-B51 ... meningitis), MCC CNS symptoms ... ) Differential Diagnosis ... #management #signs ... #symptoms #rheumatology
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Rheumatoid arthritis, Lupus ... articular cartilage triggers ... #Degenerative #Comparison ... JointDisease #JointPain #Diagnosis ... #pathophysiology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
the study) • Triggers ... ATRA treatment Pathophysiology ... opacities • Diagnosis ... : >3 symptoms, or ... #management #hematology