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Journals and Conferences
Bilateral diffuse uveal melanocytic proliferation is a rare paraneoplastic syndrome that causes visual loss in patients with systemic carcinoma. We report the case of a patient with this syndrome whose initial presentation and striking anterior segment findings mimicked that of an arteriovenous fistula.
Lesions of the optic tract produce a distinctive pattern of optic atrophy and visual field loss and may be due to either congenital or acquired causes. We report a case of a congenital optic tract syndrome and correlate the magnetic resonance imaging findings with the appearance of nerve fiber layer defects found by confocal scanning laser ophthalmoscopy.
We present the case of a 74-year-old man with rapidly progressive bilateral visual loss, optic disc pallor, retinal arteriolar attenuation, and an abnormal electroretinogram with a 90% reduction in cone function and a 50% reduction in rod function. He was examined for a suspected cancer-associated retinopathy (CAR). Although he was found not to have… (More)
Palinopsia, or perseveration of a previously viewed image, may be caused by drug use or by posterior visual pathway lesions. Most cases of palinopsia due to visual pathway lesions have an associated homonymous hemianopic visual field defect. We report two patients with palinopsia caused by structural lesions of the posterior visual pathway in the absence of… (More)
A 14-year-old boy with morning glory disc anomaly (MGDA) and normal visual and neurologic function displayed marked carotid artery narrowing on magnetic resonance angiography (MRA). This narrowing disappeared on a follow-up MRA six months later. Optic coherence tomography and scanning laser polarimetry disclosed a normal retinal nerve fiber layer in the eye… (More)
Gram-positive bacterial meningitis frequently complicates ventriculo-peritoneal (VP) shunts used for hydrocephalus. Linezolid, an oxazolidinone, is active against Gram-positive cocci, and has excellent CSF penetration. We present a 22-year-old woman who was cured of a Staphylococcus epidermidis VP shunt infection via shunt removal and intravenous linezolid.
Amiodarone is one of the most effective antiarrhythmic drugs currently available. Although a subject of intense controversy, a causal link between amiodarone and optic neuropathy has never been firmly established. Indications for treatment with amiodarone are outlined, and features of the optic neuropathy in patients on amiodarone are compared with those of… (More)
PURPOSE To report a case of monocular blindness resulting from intravascular bullet migration. DESIGN Observational case report. METHODS A 9-year-old boy presented to the emergency room with a penetrating BB gun injury to the chest. RESULTS Carotid angiography localized the bullet to the right internal carotid artery. He subsequently suffered… (More)
PURPOSE To report a case of bilateral posterior ischemic optic neuropathy (PION) in a healthy young patient after lumbar spine surgery which was initially diagnosed as functional visual loss. DESIGN Observational case report. PARTICIPANT A 33-year-old woman who experienced visual loss in the immediate postoperative period after a lumbar spine fusion. … (More)