Summary
A young man presented with visual loss and field changes suggesting direct chiasmal compression by a neighboring neoplasm. Contrast radiography demonstrated obstructive hydrocephalus secondary to a pineal tumor. The markedly dilated third ventricle was intrasellar in location and was causing chiasmal compression. The radiological and ophthalmological findings are discussed and correlated with of the operative findings with a review of the pertinent literature.
Résumé
Les auteurs rapportent le cas d'un homme jeune dont le déficit visuel et campimétrique suggère une compression chiasmatique tumorale. Les examens contrastés rélèvent une hydrocéphalic par pinéalome comprenant un troisième ventricule dilaté en situation intrasellaire.
Zusammenfassung
Fallbeschreibung eines Patienten mit Gesichtsfeld- und Visus-Verlust, bei dem die Verdachtsdiagnose durch einen Tumor, der das Chiasma komprimierte, bestand. Die Kontrastmitteluntersuchungen zeigten einen Verschluß-Hydrocephalus durch einen Pinealis-Tumor. Der erheblich erweiterte 3. Ventrikel rief die Chiasma-Kompression hervor. Die röntgenologischen und ophthalmologischen Befunde werden diskutiert und mit den Operationsbefunden verglichen.
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Wisoff, H.S., Sarwar, M. Chiasmal compression caused by a dilated third ventricle. Neuroradiology 8, 195–199 (1975). https://doi.org/10.1007/BF00337651
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DOI: https://doi.org/10.1007/BF00337651