RESUMEN
Positive occipital sharp transients of sleep (POSTS) were evaluated in 23 legally blind subjects. Only those subjects with severe visual field defects but normal or near normal visual acuity showed this activity. Nineteen subjects with visual acuity of 20/200 or worse failed to exhibit these potentials, while a control group matched for age showed POST in 79 percent of cases. The production of POSTS appears to depend on the integrity of macular function and normal central visual acuity.
Asunto(s)
Ceguera/fisiopatología , Electroencefalografía , Sueño , Adulto , Niño , Preescolar , Femenino , Humanos , Lactante , Recién Nacido , Masculino , Persona de Mediana Edad , Agudeza Visual , Campos VisualesRESUMEN
Patients with pseudotumor of the orbit often present with proptosis, inflammatory changes of the orbital structures, loss of vision, and abnormalities of extraocular motility. Because these signs and symptoms mimic more common disorders of the paranasal sinuses, the otolaryngologist often plays an important role in the diagnosis of this clinical entity. Also, since orbital pseudotumor can be secondary to an inflammatory disease of the paranasal sinuses, appropriate medical and surgical treatment must be rendered by the otolaryngologist. The experience of orbital pseudotumor at Indiana University Medical Center in the Department of Otolaryngology-Head and Neck Surgery is presented. Appropriate diagnostic workup is discussed, including the importance of the CT scan. The differential diagnosis of space-occupying orbital processes is examined. It is important that the otolaryngologist become more familiar with this clinical entity and its appropriate treatment.
Asunto(s)
Exoftalmia/diagnóstico , Enfermedades Orbitales/diagnóstico , Adulto , Anciano , Diagnóstico Diferencial , Drenaje , Oftalmopatías/diagnóstico , Femenino , Humanos , Masculino , Persona de Mediana Edad , Oftalmoplejía/diagnóstico , Enfermedades Orbitales/diagnóstico por imagen , Enfermedades Orbitales/terapia , Neoplasias Orbitales/diagnóstico , Enfermedades de los Senos Paranasales/diagnóstico , Prednisona/uso terapéutico , Dosificación Radioterapéutica , Tomografía Computarizada por Rayos X , Trastornos de la Visión/diagnósticoRESUMEN
A case of bilateral pseudopapilledema associated with serous and hemorrhagic detachment of the juxtapapillary sensory retina in a 35-month-old girl was thought to be secondary to optic nerve drusen.
Asunto(s)
Enfermedades Hereditarias del Ojo/etiología , Drusas del Disco Óptico/complicaciones , Enfermedades del Nervio Óptico/etiología , Neovascularización Retiniana/etiología , Preescolar , Enfermedades Hereditarias del Ojo/diagnóstico , Femenino , Angiografía con Fluoresceína , Humanos , Drusas del Disco Óptico/diagnóstico , Enfermedades del Nervio Óptico/diagnóstico , Neovascularización Retiniana/diagnóstico , Agudeza VisualRESUMEN
Two cases of orbital pseudotumor are described with computed tomographic (CT) studies showing extension of the pseudotumor beyond the confines of the bony orbit. In one patient with orbital pseudotumor involving the medial rectus muscle, the pseudotumor extended through the medial wall of the orbit into the ethmoid sinus. A second patient had extension of orbital pseudotumor into the infraorbital fissure causing enlargement of the infraorbital fissure and foramen. Both lesions were confirmed by biopsy.