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

What?
A subset of
Macrophage Activation ... lymphohistiocytosis (HLH ... • Systemic lupus ... erythematosus ... #Management #Hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... Wiskott-Aldrich syndrome ... : • Systemic lupus ... erythematosus ... • HLH • Paroxysmal
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... #Systemic #Lupus ... #Erythematosus ... Summary #diagnosis #rheumatology ... #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Non-autoimmune rheumatologic ... lymphoma • Evans' syndrome ... Shrinking lung syndrome ... Chronic B-cell activation ... #Diagnosis #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Activation of CD8 ... IFN-y) → Excessive activation ... Nicolas Taar ... Lymphohistiocytosis #diagnosis #management ... treatment #summary #rheumatology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus ( ... Demyelinating Syndrome ... Cerebrovascular Disease ... CNS #neurology #rheumatology ... cerebritis #diagnosis #management
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
arteritis, Cogan's Syndrome ... (RA), Systemic lupus ... erythematosus ( ... , Sarcoidosis, HLA-B27 ... Differential #Diagnosis #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Overwhelming clinical syndrome ... excessive macrophage activation ... age, however the disease ... Lymphohistiocytosis #diagnosis #management ... #treatment #hematology
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 ... Giant retinal tears ... #diagnosis #management ... signs #symptoms #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... well as inner ear ... such as systemic lupus ... erythematosus, ... differential #diagnosis #rheumatology