The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Inflammatory Cascade: Pathogenesis and Clinical Findings
Continued Innate Immunity
 • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
destruction), promote inflammation ... Inflammatory #Cascade #Inflammation ... pathophysiology #immunology
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
manifestations Skin: • Inflammation ... Eyes: • Globe inflammation ... audible Lungs: • Inflammation ... on CXR • RA inflammation ... symptoms #diagnosis #ExtraArticular
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
cells or CTLs -> Inflammation ... HypersensitivityReaction #Allergy #Immunology
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Panopthalmitis: inflammation ... Endopthalmitis: inflammation ... ) -> Localized inflammation ... Induration, Warmth • Inflammation ... pathophysiology #ophthalmology
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Conjunctivitis: inflammation ... localized infection or inflammation ... pathophysiology #ophthalmology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
reflex) • Orbital inflammation ... pathophysiology #ophthalmology
C5-C9 Deficiency - Pathogenesis and Clinical Findings
Note:
 • Risk of invasive meningococcal disease is 1000-10000x higher
Inflammation ... pathophysiology #immunology
Central Retinal Artery Occlusion: Pathogenesis and clinical findings
 • Inflammatory Disease: (i.e. GCA, SLE, GPA) ->
viscosity and inflammation ... pathophysiology #ophthalmology
Ankylosing Spondylitis: Extra-articular Manifestations
 • Ocular - Inflammation of the iris, the anterior part of the
Manifestations • Ocular - Inflammation ... • Cardiac - Inflammation ... - Ligamentous inflammation ... Respiratory (rare) - Inflammation ... AnkylosingSpondylitis #Extraarticular