Abstract
In 111 patients with pituitary tumors, central visual fields were obtained preoperatively, in halve of them postoperatively as well. Kinetic perimetry as well as supraliminal stimuli have been applied. The correlation of the radiologically (skull x-ray, PEG, CT) and surgically evaluated extent of tumor and visual fields is good. Deviations occur only towards more functional damage than to be expected. 11 patients showed sensorial alterations with intrasellar tumors, some of them as changes of sensation, but normal kinetic fields. Those findings — never observed in normal subjects — seem to represent the first functional damage produced by a ‘compressing’ lesion, and they are the last to disappear after decompression. Recovery of visual function may show a rapid and a slow phase, complete recovery from even those minimal changes is not frequent. An affection of the nasal field is more frequent than generally accepted, sometimes following a nerve fibre pattern. Classical nerve fibre defects are observed with large tumors. Binasal or homonymous changes of sensation — however — occur especially with small tumors.
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Dannheim, F., Luedecke, D., Kuehne, D. (1979). Visual Fields before and after Transnasal Removal of a Pituitary Tumor. In: Greve, E.L. (eds) Third International Visual Field Symposium Tokyo, May 3–6, 1978. Documenta Ophthalmologica Proceedings Series, vol 19. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9611-3_5
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DOI: https://doi.org/10.1007/978-94-009-9611-3_5
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