7226 results
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
Pathogenesis and clinical ... Definition: When antigens ... These antigens can ... either be self-antigens ... , or foreign antigens
Type III Hypersensitivity: Pathogenesis and clinical findings
Definition: Small antigen-antibody complexes (produced from normal immune response to
Pathogenesis and clinical ... Definition: Small antigen-antibody ... If self-antigens ... If bacterial antigens
Allergic Rhinitis: Pathogenesis and clinical findings

1. Allergy Sensitization -> Antigen Exposure -> APC (macrophages, HLA class
Pathogenesis and clinical ... Sensitization -> Antigen ... class II) process antigen ... by 15 minutes) Antigen ... Exposure -> Antigen
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Pathogenesis and clinical ... Macrophage engulfs antigen ... -> Antigen presentation ... cells recognize antigen
Beautiful acanthocytes/spur cells in a patient with McLeod Syndrome. X-linked disorder characterized by reduced expression of
expression of Kell RBC antigens ... Pathology #Microscopy #Clinical
Graves’ Disease: Pathogenesis and Clinical Findings
B & T lymphocyte mediated autoimmunity attack TSH receptor -> Continuous
Pathogenesis and Clinical ... other thyroid antigens
Acute Schistosomiasis: Katayama Fever
 • Most common in travelers and children
 • "Swimmers Itch" in the
the schistosome antigens ... Fever #diagnosis #clinical
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
Pathogenesis and Clinical ... Findings Antigens ... re-exposure to antigen
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
Pathogenesis and Clinical ... mimicry -> GAS antigen
You’ll notice there is an IgM and an IgG core antibody. The presence of IgM anti-HBc
commonly run in the clinical ... #WindowPeriod #Antigens