Summary
Two cases of meningioma of the free margin of the tentorium developing subtentorially into the quadrigemino-pineal region are described. In the first patient, who was gravely ill only a full angiographic investigation was done whereas in the second, pneumoencephalography was also performed. The radiological pattern of these tumors is analysed and the problem of differentiation from tumors of the pineal region and lamina quadrigemina is discussed.
Résumé
Les auteurs décrivent deux cas de méningiome du bord libre de la tente se développant vers la région quadrigémino-pinéale. Le premier malade était gravement atteint de sorte qu'on ne pratique qu'un bilan angiographique, tandis que dans le deuxième cas une encéphalographie gazeuse fractionnée put, en outre, être réalisée. Les signes radiologiques de ces tumeurs sont analysés et on discute le problème du diagnostic différentiel entre les tumeurs de la région pinéale et de la plaque quadrigéminale.
Zusammenfassung
Fallbeschreibung von 2 Meningiomen des freien Tentoriumrandes, die sich in die Region der Pinealis entwickelten. Boi einem Patienten wurde lediglich eine angiographische Diagnostik durchgeführt, bei dem anderen Patienten erfolgte sowohl die Angiographie als auch die Pneumo-Encephalographie. Die radiologischen Zeichen dieser Tumoren werden analysiert und die Differentialdiagnose zu Tumoren der Pinealis-Region und der Vierhügelplatte besprochen.
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Papo, I., Salvolini, U. Meningiomas of the free margin of the tentorium developing in the pineal region. Neuroradiology 7, 237–243 (1974). https://doi.org/10.1007/BF00342704
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DOI: https://doi.org/10.1007/BF00342704