Se presenta el caso de un lactante de cuatro meses que presentaba un enorme glioma de quiasma. Al mes de vida se había realizado un estudio neurorradiológico completo en el que no se evidenciaba tumor alguno. Se practicó una extirpación casi completa del proceso, a pesar de lo cual recidivó rápidamente. Su histología fue de astrocitoma pilocítico de quiasma, sin evidencia alguna de malignización.
El glioma de quiasma, habitualmente de crecimiento muy lento, en este caso, a pesar de una histología aparentemente inofensiva, se comportó agresivamente debido a una tasa de crecimiento muy elevada.
Se discute el tratamiento a seguir en estos procesos cuando se presentan en edades en las que está proscrita la radioterapia.
The case of an infant, four-month-old, suffering from an enormous glioma of chiasm is presented. When he was one-month-old an exhaustive neuroradiological study was completely normal. The tumor was surgically resected almost totally, in spite of which recurred promptly. Histology was typical of a lowgrade astrocytoma of chiasm without any evidence of malignancy.
The glioma of chiasm, which usually grows very slowly, in this case, having a «benign» histology, behaved aggressively due to a very raised growing rate.
The treatment of those neoplasms, when they presented at ages in which radiotherapy is precluded, is discussed.
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