42 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Autoimmune diseases ... Adult-onset Still disease ... Treatment: • ... diagnosis #management #treatment ... #summary #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH) Treatment
Primary HLH:
 - HLH-94 Protocol
    • Dexamethasone
associated with infection ... or autoimmune disease ... condition may spare ... for refractory disease ... #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
age, however the disease ... can mimic common infections ... It presents as an ... : • Infection ... #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lymphohistiocytosis (HLH ... SLE], AOSD) • Infection ... Treatment: • Corticosteroids ... Diagnosis #Management #Hematology ... #Rheumatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelofibrosis Infectious ... disorders • Celiac disease ... effect following treatment ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
procedures - Infection ... PT, aPTT(liver disease ... ), (neurologic/psychiatric ... bypass), LFT (liver disease ... #Workup #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... cell arteritis Infections ... • Fungal infections ... rash #diagnosis #rheumatology
Behcet's Syndrome - Treatment
Ulcers:
 • Treatment: Topical steroids
 • Prevention: Colchicine
 • Azathioprine for refractory disease
Arthritis:
Behcet's Syndrome - Treatment ... Ulcers: • Treatment ... may be needed for ... #management #pharmacology ... #rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... drug reaction, infection ... glucocorticoid treatment ... may be indicated ... Differential #diagnosis #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
old, ~10,000 new cases ... risk-stratification • Risks: infection ... only curative treatment ... Myelodysplastic #Syndrome #MDS ... #hematology #oncology