High energy radiotherapy in the treatment of meningiomas of the cavernous sinus.
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Biomedical subjects
Publications and source records attributed to R van Effenterre.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
Progress over the past few years in knowledge concerning disorders of the optic nerve and disc leads to changes in their classification. A new terminology is proposed. It uses a minimum of terms, their very general sense being understandable by any nonophthalmologist physician. It is based upon clinical symptoms and signs, thus being immediately applicable in clinical practice.
Three cases of pseudocysts following surgery and chemotherapy for glioblastomas are reported. Their clinical picture was similar, consisting of intracranial hypertension without primary modification of focal signs. CT scanning has been able to detect the cystic aspect and to eliminate a true tumour recurrence. Medical treatment (steroids or Mannitol) seems inefficient. Evacuation of the cyst is the only efficient method of treatment.
The authors report on a polyradiculoneuropathy related to long-term treatment with Perhexiline maleate (a drug used in France since 1973 for coronary insufficiency) whose presenting sign is a bilateral aedematous optic neuropathy. The mechanism of this effect on the optic nerves and on papilloedema is discussed; it seems not to be caused by a direct toxic action on the optic fibres but by the existence of chronic intracranial hypertension.