[Solitary plasmacytoma of the hypothalamus].

A rare case of intracranial extra osseal isolated plasmocytoma in a girl of 18 is presented. The tumour localized in the hypothalamus and extended into the intracranial parts of the optic nerves and chiasma opticum. It consisted of mature and immature plasma cells and contained paraamyloid depositions. The disease had a progredient course accompanied by the disorders of vision, endocrine-metabolic disturbances and hyperglobulinemia.