5 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
cellular antigen, leading ... activation and cell ... can also mediate ADCC ... Hypersensitivity #Types #Classification ... #Pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... Low Grade - Slow growing ... Lymphoproliferative #Disorders #Classification ... #pathophysiology ... #differential #algorithm
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... • Induce blast cell ... severe APLS, organ dysfuxtion ... fluid overload, PCC ... APML #diagnosis #management
IGG-4 RELATED DISEASE

WHAT?
 • A chronic, immune-mediated fibroinflammatory disease with tumefactive infiltration of IgG4+ plasma cells
- Organ dysfunction ... PATHOPHYSIOLOGY ... progressive organ dysfunction ... complement • Classification ... IGG4 #Diagnosis #Management
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
various tissues, leading ... • Endocrine Dysfunction ... marrow: Organ dysfunction ... Birbeck granules (EM ... Histiocytosis #Diagnosis #Management