SUBEPENDYMOMA AT UNUSUAL SITE

DRS. D. MELANÇON,  M.C.  GUIOT, L. SOUALMI AND R. LEBLANC

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ubependymomas usually develop at the lower part of the 4th ventricle. When in the lateral ventricle, they appear near the foramen of Monro. They can also present in the spinal cord, but also very rarely.
We present a case where the tumour developed marginal to the trigone of the right lateral ventricle.

    A 59 year-old man sought consultation because of an episode of speech arrest associated with a feeling of general lassitude. Examination revealed slowness in performance of rapid alternating movements on the left side in the arm and in the leg, a phenomenon that had been present for thepast ten years. The remainder of his general and neurological examinations were unremarkable and the patient had no recurrence of symptoms. CT and MRI scans demonstrated a lesion at the trigone of the right lateral ventricle. Fig.1 below

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