Drainage implants are used for treatment of glaucoma refractory to medical and standard surgical therapy. The Baerveldt glaucoma drainage implant uses a barium-impregnated silicone plate (blue arrow) to increase echographic resolution and allow radiographic identification. The plate is curvilinear and conforms to the curvature of the globe. Aqueous humor is drained into a reservoir (pink arrow) and then absorbed by the adjacent periocular tissues. Radiographs (see reference for image and MRI compatibility) reveal a convex density along the superolateral aspect of the orbit.
Friday, January 7, 2011
Glaucoma Drainage Implants on CT
Drainage implants are used for treatment of glaucoma refractory to medical and standard surgical therapy. The Baerveldt glaucoma drainage implant uses a barium-impregnated silicone plate (blue arrow) to increase echographic resolution and allow radiographic identification. The plate is curvilinear and conforms to the curvature of the globe. Aqueous humor is drained into a reservoir (pink arrow) and then absorbed by the adjacent periocular tissues. Radiographs (see reference for image and MRI compatibility) reveal a convex density along the superolateral aspect of the orbit.
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