17 results
Cellular and humoral immune responses of the adaptive immune system. Activated T cells accomplish cellular immune
Activated T cells ... type. ... cells (cellular ... cell types exist ... ImmuneResponses #immunology #pathophysiology
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antibody binds to cellular ... with cytotoxic T ... IV - T cells - ... #Classification ... #Pathophysiology
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
Types of hypersensitivity ... reactions Type ... (Anaphylaxis) Type ... IV T-Cell-Mediated ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of types ... - Mediators: T ... Th1/cytotoxic T ... T-cells recruit ... allergy #table #classification
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Type IV Hypersensitivity ... it is entirely T-Cell ... allergen-specific T-Cell ... exposure, because T-Cell ... Allergy #Immunology #pathophysiology
Pathogenesis of Rheumatic Fever

Pathogenesis of rheumatic fever. 
1. GAS pharyngitis leads to antigenic presentation of pathogenic
pathogenic peptides to T-cells ... both humoral and cellular ... cross-reactive T-cells ... This facilitates T-cell ... Exposure of Type-IV
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... as common - T ... Lymphoproliferative #Disorders #Classification ... #pathophysiology ... #differential #algorithm
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
typically of B-cell ... translocation • Types ... : Classification ... type (B cell, T ... cells, natural
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic Algorithm ... Pathophysiology: ... germinative skin cells ... 4) Skin-homing T-cells ... Erythroderma #Nikolsky #Algorithm
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Activation of CD8 T ... cells (IFN-y) → ... Hemopathies+++: Hodgkin, T-cell ... EBV) • Others: Cellular