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Biomedical subjects

M L Monteiro

Publications and source records attributed to M L Monteiro.

12 recordsLinked to original sources
PubMed1988

Optic neuropathy associated with chronic lymphomatous meningitis.

A patient with paranasal sinus lymphoma (recognized retrospectively) developed unilateral, acute, self-limited optic neuritis during the course of chronic lymphocytic meningitis with elevated intracranial pressure and headache. Meningeal symptoms were adequately controlled with analgesics alone for 14 months and corticosteroids alone for a subsequent 11 months without evidence of development of other involvement of organs outside the central nervous system (CNS). Eventually, the visual alteration from optic neuritis prompted a repeat evaluation, which disclosed lymphoma in bone marrow. The subject of paraneoplastic optic neuritis is reviewed.

Biopsy↗
PubMed1985

A microangiopathic syndrome of encephalopathy, hearing loss, and retinal arteriolar occlusions.

A syndrome consisting of a subacute encephalopathy, sensorineural hearing loss, and retinal arteriolar occlusions is described in two women. Laboratory investigations did not reveal any systemic vasculitis. CT and cerebral angiography showed no abnormalities, but magnetic resonance imaging revealed small, discrete lesions in the white matter. Biopsy of cortical brain from one patient showed disseminated microinfarcts in the gray matter as well as sclerosis of small vessels. This syndrome is characterized as an occlusive vasculopathy rather than vasculitis, and should be considered in evaluations of young women presenting with encephalopathy and hearing loss.

Adult↗
PubMed1985

[Unilateral papilledema in pseudotumor cerebri].

The appearance of unilateral papilledema in the fundus photos of 6 women with pseudotumor cerebri is presented. Associated findings included obesity in 5 and a partially empty sella in 2. The possible explanations for the development of unilateral papilledema in pseudotumor cerebri are reviewed and favor a mechanism that is present at the distal end of the optic nerves.

Adult↗
PubMed1985

[Retinal periphlebitis in multiple sclerosis. Report of a case].

Sheathing of peripheral retinal veins occurs in 10 to 20% of patients with multiple sclerosis and can be seen at any point in the progression of the disease. This finding may represent the retinal correlate of the vascular lesions that are present in the central nervous system of patients with multiple sclerosis. Its pathogenesis is still uncertain. In this paper it is registered the occurrence of retinal periphlebitis as one of the initial manifestations of a patient with multiple sclerosis and it is discussed the diagnostic implications of this finding.

Adolescent↗
PubMed1985

Cryptic disseminated tuberculosis presenting as gaze palsy.

We present a case of gaze palsy caused by a pontine tuberculoma associated with cryptic disseminated tuberculosis. The only symptoms in this patient were those caused by her gaze abnormality despite the presence of disseminated tuberculosis that was later confirmed at autopsy.

Brain Diseases↗
PubMed1985

Chronic ophthalmic Wegener's granulomatosis.

A case of Wegener's granulomatosis is reported which manifested episcleritis followed by scleritis, and followed in turn by separate episodes of right and left orbital pseudotumor spanning 15 years prior to respiratory tract disease. The unusually protracted progression of symptoms in this case may be explained on the basis of the histopathological findings. Areas of fibrinoid necrosis of connective tissue occurred alone or alternated with areas of nongranulomatous fibrinoid necrosis of blood vessel walls. Granulomatours vasculitis was not observed. This histopathological picture is pathognomic of early cases of Wegener's granulomatosis which run especially protracted courses.

Biopsy↗
PubMed1985

Juxtapapillary subretinal hemorrhages in pseudotumor cerebri.

We report two cases of pseudotumor cerebri with subretinal hemorrhages. Bilateral juxtapapillary subretinal neovascular membranes were present in one. A unilateral hemorrhage occurred adjacent to a small anomalous optic disc in the other. Subretinal hemorrhages in papilledema may occur from juxtapapillary subretinal neovascular membranes that evolve rapidly and then involute. The relationship of the appearance and subsequent evolution of such juxtapapillary subretinal neovascular membranes to the course of the intracranial pressure is discussed. Occurrence in one eye may presage occurrence in the other eye, making control of intracranial pressure important once one eye is afflicted. Fortunately, severe permanent visual loss remains unreported. Some anomalous small optic discs may be particularly at risk for subretinal hemorrhage from papilledema because preexisting axonal crowding is aggravated by the swelling of the optic nerve from elevated intracranial pressure. Conditions related to the Valsalva maneuver that chronically or intermittently elevate intracranial pressure further and produce elevated cephalic venous pressure should be avoided.

Adult↗