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Journal Information
Vol. 44. Issue 2.
Pages 75-79 (January 2002)
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Vol. 44. Issue 2.
Pages 75-79 (January 2002)
Trombosis de varices orbitarias. Diagnóstico por tomografía computarizada*
Thrombosis of orbital varices
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Jorge Boschi Oyhenarta,, Andrés de Tenyia, Jorge Boschi Paua
a Departamento de Tomografía Computada, Hospital Italiano. Montevideo. Uruguay.
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Las várices orbitarias son malformaciones venosas producidas poruna dilatación anormal de una o más venas orbitarias probablementeasociadas a debilidad congénita de la pared vascular. Son lesiones in-frecuentes que se presentan en pacientes jóvenes y causan exoftalmosintermitente, relacionado a aumento en la presión venosa sistémica.Las complicaciones de las várices orbitarias son el sangrado y la trom-bosis y se manifiestan por exoftalmos de rápida evolución, dolor y disminución de la motilidad ocular.

Presentamos dos casos de várices orbitarias complicadas por trombosis en pacientes adultos mayores, cuyo diagnóstico fue realizado portomografía computarizada (TC). Se analizan los hallazgos ecográficos,de TC y resonancia magnética (RM).

Palabras clave:
Órbita
Varices orbitarias
Trombosis
TC

Orbital varices are venous malformations produced by an abnormaldilatation of one or more orbital veins, probably associated with con-genital weakness of the vascular wall. They are rare lesions, usuallyoccurring in young patients, that produce intermittent proptosis relatedto the increase in the systemic venous pressure. The presence of he-morrhage or thrombosis is associated with rapid development of proptosis, pain and decreased ocular motility.

We report the cases of two adult patients with orbital varices complicated by thrombosis in whom the diagnosis was based on computedtomography. The ultrasound and magnetic resonance findings are alsodiscussed.

Key words:
Orbit
Orbital varices
Thrombosis
Computed tomography

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