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Path 15

Basic Pathology of the Eye

What is Blepharitis inflammation of the eyelids
What is Hordeolum acute, purulent, focal inflammatory lesion of the eyelid often due to a bacterial infection
What is a Chalazion Chronic localized lipogranlomatous inflammation centered around the sebaceous glands of the eyelid
What is the common etiology for a chalazion obstruction of the sebaceous gland orifice
What is Exophthalmos also known as proptosis is the forward protrusion of the eye associated with Graves disease
What is the most common eye disease conjunctivitis
What does conjunctivitis look like hyperemic conjuctiva blood vessels, crusting, discharge, matting in the morning
What is the organism associated with conjunctiva trachoma Chlamydia trachomatis serotypes A, B, and C
Most common cause of blindness in areas in Asia, the Middle East, and Africa Conjuntiva Trachoma
What is Pyterygium Pingueculum that grows into the cornea in an insect wing shape that forms a fold of vascularized conjunctiva
What are the stromal dystrophies (marilyn monroe always gets her men (in) LA County) Macular, Mucopolysaccharide, Alcian Blue, Granular, Hyaline, Masson-Trichrome, Lattice/Amyloid, Congo red
What is the most common cause of reversible vision loss in the elderly cataract
What is the pathogenesis of cataract formation lens fibers harden and are compressed centrally (nuclear sclerosis)
If a retinal hemorrhage appears as a blot it is located? in the outer retina
If a retinal hemorrhage appears as a dot it is located? inner plexiform
If a retinal hemorrhage appears as a splinter it is located? inner retina
If a retinal hemorrhage is melanoma like it is located? sub-RPE or suprachrooidal
What is the main cause of retinal arterial occlusion emboli
What is the pathology noted with arterial occlusion cotton wool spots, retinal swelling, thin artery, cherry red spots with later inner retinal and optic nerve atrophy
What is amaurosis fugax transient vision loss due to micro-emboli to CRA
What do you see with nonproliferative diabetic retinopathy retinal dot/blot hemorrhages, hard exudates, cotton-wool spots, retinal swelling, microaneurysms
When do diabetic retinopathies affect vision when they involve the macula or PM bundle or are associated with macular edema
Neovascularization seen in proliferative diabetic retinopathy is due to release of ? VEGF from ischemic retinas
What may explain all signs of Diabetic retinopathy Retinal ischemia and incompetence of retinal circulation with leakage
What is "Snowflake" cataract white spoke-shaped opacities adjacent to the lens capsule that progresses rapidly over days to weeks due to osmotic effect of sorbitol in the lens
What are the three types of retinal detachment Rhegmatogenous, Tractional, Exudative
What is the most common cause of vision loss in those older than 60 Age related macular degeneration
What are the two types of Age Related Macular Degeneration Wet and Dry
What is the most important cause of Optic Nerve Head edema Increased ICP
Glaucoma is most commonly associated with? increased intraocular pressure
What are the two types of acquired glaucoma open angle and closed angle
Which has a more acute symptomatic onset open or closed angle glaucome closed
Which type of glaucoma includes symptoms of decreased vision, ocular pain, headache, nausea/vomiting, red eyes, halos, and light sensitivity closed angle glaucoma
What is the most common primary intraocular malignancy Melanoma
What are the three cell types of melanoma in the eye spindle A, spindle B, and Epithelioid (worst prognosis)
What is the most common primary intraocular malignancy in children Retinoblastoma
When do you most commonly see retinoblastoma in children within the 1st 2 years of life
How does retinoblastoma present leukocoria, strabismus, poor vision, spontaneous hyphema, glaucoma, painful red eye
What is the intraocular malignancy in which you see Rosettes Retinoblastoma
Created by: UVAPATH1