35 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... Formation -> Vasculitis ... #HUV #Pathophysiology ... #Rheumatology
Treatment of Non-hepatitis C virus Cryoglobulinemia Vasculitis - French Vasculitis Study Group

MONOCLONAL CRYOGLOBULINEMIA (TYPE 1) 
IgM
Treatment of Non-hepatitis ... Cryoglobulinemia Vasculitis ... - French Vasculitis ... Target plasma cells ... #Management #Rheumatology
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
cryoglobulinemia vasculitis ... - Diagnosis, causes ... cryoglobulinemia vasculitis ... neuropathy Treatment ... #Rheumatology #
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Glomerulonephritis #Vasculitis ... diagnosis #algorithm #rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Drugs, Unknown cause ... Treatment: • ... diagnosis #management #treatment ... #summary #rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophilia, 500-1,500 cells ... for secondary causes ... eosinophilia (common causes ... glucocorticoid treatment ... Differential #diagnosis #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
= funny-shaped cells ... old, ~10,000 new cases ... only curative treatment ... Diagnosis #Management #treatment ... #hematology #oncology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... various inflammatory cells ... periumbilical region), nausea ... #HSP #IgA #Vasculitis ... HenochScholeinPurpura #Pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
(LP) tumour B cells ... Responsive to Treatment ... growth, response to treatment ... Classification #pathophysiology ... #Hematology #Diagnosis
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... Lysis Syndrome: • Pathophysiology ... Lysis of tumor cells ... diagnosis #management #hematology