Vitreoretinal Disease

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Author:
zimmerk
ID:
218765
Filename:
Vitreoretinal Disease
Updated:
2013-05-09 12:23:05
Tags:
eye ultrasound
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Description:
Ch. 3 Vitreoretinal Disease - careful examination of the posterior segment and differentiating between PVD, RD, and CD.
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  1. Name the Topographic findings of a Posterior Vitreous Detachment (PVD).
    • Smooth,
    • Open funnel with or without disc or fundus insertion;
    • inserts at ora or ciliary body
  2. What are the Quantitative qualities of a Posterior Vitreous Detachment (PVD)?
    • Variable spike height;
    • <100% high at ora superiorly
  3. What is the Kinetic (aftermovement) of a Posterior Vitreous Detachment (PVD)?
    Marked to moderate
  4. Name the Topographic findings of a Retinal Detachment (RD).
    • Smooth or folded,
    • open or closed funnel with disc insertion;
    • may have associated cysts;
    • inserts at the ora
  5. What are the Quantitative qualities of a Retinal Detachment (RD)?
    • Steeply rising 100% high spike,
    • including at ora superiorly
  6. What is the Kinetic (aftermovement) of a Retinal Detachment (RD)?
    Moderate to none
  7. Name the Topographic findings of a Choroidal Detachment (CD).
    • Smooth,
    • dome or flat;
    • no disc insertion;
    • inserts at ora or ciliary body
  8. What are the Quantitative qualities of a Choroidal Detachment (CD)?
    • Steeply rising,
    • thick,
    • double-peaked 100% high spike
  9. What is the Kinetic (aftermovement) of a Choroidal Detachment (CD)?
    Mild to none
  10. When do Lesions simulate a Retinal Detachment?
    • PVD with attachment to optic nerve,
    • Vitreous hemorrhage with layered blood inferiorly,
    • Poterior hyphema,
    • Bridging vitreous membrane (e.g., diabetic retionpathy),
    • Vitreoschisis,
    • Premacular hemorrhage (e.g., Terson's syndrome),
    • Peripheral vitreous skirt following vitrectomy,
    • Vitreous track from penetrating injury,
    • Vitreous incarceration secondary to penetrating injury,
    • Blood in Cloquet's canal,
    • Persistent hyaloid vesels in PHPV,
    • 360 degree peripheral choroidal detachments,
    • Resolving choroidal detachments,
    • Kissing choroidal detachements,
    • Solid choroidal mass with subretinal hemorrhage,
    • Retinoschisis,
    • Scleral buckle with silicone band,
    • Detachment of retinal pigment epithelium (RPE)
  11. When does a Retinal Detachment simulate Other Lesions?
    • Atropic RD,
    • T-shaped RD in phakic or pseudophakic eyes,
    • Tightly closed funnel-shaped RD with dense subretinal opacities,
    • Peripheral annular RD after vitrectomy and panretinal photocoagulation,
    • Giant retinal tear,
    • Avulsion of retina from optic nerve
  12. Name Macular Lesions.
    • Macular edema,
    • Age-rlated macular degeneration (AMD),
    • RPE detachment,
    • Macular hole,
    • RD of the macula,
    • Hypotony maculopathy,
    • Premacular hemorrhage,
    • Staphyloma involving the macula
  13. What are some causes of Choroidal (Ciliochoroidal) Detachment?
    • Idiopathic - Uveal effusion syndrome, Nanophthalmos,
    • Inflammatory - Uveitis (infectious or noninfectious), Scleritis,
    • Hypotony,
    • Intraocular Surgery,
    • Trauma,
    • Intraocular Tumor,
    • Arteriovenous fistula,
    • Renal disease,
    • Toxic reactions to systemic medications
  14. What are some Disorders that THICKEN the Sclera?
    • Hyperopia,
    • Choroidal folds,
    • Nanophthalmos,
    • Uveal effusion syndrome,
    • Anterior ischemic optic neuropathy,
    • Scleritis,
    • Hypoyony
  15. What are some Disorders that THIN the Sclera?
    • Myopia,
    • Stphyloma,
    • Necrotizing,
    • Plaque radiotherapy
  16. Name some other Disorders of the Sclera.
    • Scleral rupture,
    • Scleral infolding,
    • Scleral calcification,
    • Scleral tumor

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