Blindness From Bad Bones

Progressive visual loss is the most common neurologic finding in osteopetrosis. Several mechanisms may explain this phenomenon, including compression of the optic nerves caused by bony overgrowth of the optic canals and retinal degeneration. We report a child with osteopetrosis and progressive visua...

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Veröffentlicht in:Survey of ophthalmology 1999-05, Vol.43 (6), p.487-490
Hauptverfasser: Siatkowski, R.Michael, Vilar, Nancy F, Sternau, Linda, Coin, C.Gene
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container_end_page 490
container_issue 6
container_start_page 487
container_title Survey of ophthalmology
container_volume 43
creator Siatkowski, R.Michael
Vilar, Nancy F
Sternau, Linda
Coin, C.Gene
description Progressive visual loss is the most common neurologic finding in osteopetrosis. Several mechanisms may explain this phenomenon, including compression of the optic nerves caused by bony overgrowth of the optic canals and retinal degeneration. We report a child with osteopetrosis and progressive visual loss, even though patent optic canals were demonstrated by computed tomography and digital holography. This patient’s visual loss was caused by increased intracranial pressure secondary to obstruction of cerebral venous outflow at the jugular foramen. This case points to the importance of a full evaluation of the skull base foramina in the diagnostic workup of visual loss in patients with osteopetrosis.
doi_str_mv 10.1016/S0039-6257(99)00048-X
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subjects Biological and medical sciences
Blindness - diagnosis
Blindness - etiology
Brain Diseases - complications
Brain Diseases - diagnosis
Cerebral Angiography
Cerebral Veins - diagnostic imaging
Cerebral Veins - pathology
Child, Preschool
Constriction, Pathologic - complications
Constriction, Pathologic - diagnosis
digital holography
Disease Progression
Diseases of the osteoarticular system
Electroretinography
Follow-Up Studies
Humans
Intracranial Hypertension - diagnosis
Intracranial Hypertension - etiology
Intracranial Pressure
jugular stenosis
Jugular Veins - diagnostic imaging
Jugular Veins - pathology
Magnetic Resonance Imaging
Male
Malformations and congenital and or hereditary diseases involving bones. Joint deformations
Medical sciences
osteopetrosis
Osteoporosis - complications
Osteoporosis - diagnosis
Tomography, X-Ray Computed
Visual Acuity
title Blindness From Bad Bones
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