15 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
with cytotoxic T ... Antigen-antibody complexes ... IV - T cells - ... #Classification ... #Pathophysiology
Types of hypersensitivity reactions

Type I - lgE-Mediated, Within I Hour (Anaphylaxis)
Type II - IgG or IgM
reactions Type ... (Anaphylaxis) Type ... Ill - Immune Complex-Mediated ... IV T-Cell-Mediated ... #Classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Antigen-antibody complex ... Antigen-antibody complexes ... - Mediators: T ... T-cells recruit ... allergy #table #classification
Cellular and humoral immune responses of the adaptive immune system. Activated T cells accomplish cellular immune
Activated T cells ... histocompatibility complex ... type. ... cell types exist ... ImmuneResponses #immunology #pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... as common - T ... Lymphoproliferative #Disorders #Classification ... #pathophysiology ... #algorithm
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
to CD4+ helper T ... B cellsT cell-independent ... co-receptor complex ... proliferate and differentiate ... Humoral #Immunity #pathophysiology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Diagnosis Algorithm ... fungoides (cutaneous T-cell ... Viral - Herpes simplex ... #Diagnosis #Algorithm
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 ... #Differential #
Hypersensitivity: Definitions
 • Type I - Production of lgE Abs that bind to harmless allergens and
antigen-surface complex ... it is entirely T-Cell ... allergen-specific T-Cell ... exposure, because T-Cell ... #Classification
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
translocation • Types ... : Classification ... type (B cell, T ... involvement Differential ... oncology #diagnosis #differential