The Calgary Guide to Understanding Disease @TheCalgaryGuide
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Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Orbital Cellulitis ... #Cellulitis #pathophysiology ... #ophthalmology ... #diagnosis #signs ... #symptoms
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
/ Symptoms / Complications ... red reflex) • Orbital ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Periorbital Cellulitis ... preseptal compartment/orbital ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
Signs/Symptoms/Complications ... #21HydroxylaseDeficiency #21OHD ... endocrinology #peds
Chronic Hypertensive Retinopathy: Pathogenesis and clinical findings

Ophthalmic Artery Hypertension
Stage 1: Mild/vasoconstrictive
 • Acute and chronic vasospasm
Chronic Hypertensive ... • Acute and chronic ... pathophysiology #ophthalmology ... #diagnosis #signs ... #symptoms #complications