A primary benign melanotic tumour was resected twice in the thoracic s
pinal cord of a 49-year-old woman. The patient had complained of low b
ack pains, obstipation and mictional urgency for two years. She develo
ped a partial Brown-Sequard's syndrome at th10-th12 level. The tumour
showed the histological and immunohistochemical features of a meningea
l melanocytoma. The following up was marked by tumoral seeding in the
lumbosacral region and later in the cerebral hemispheres, which lead t
o death 4 years after the diagnosis. This is a survey of the clinical
and morphological characteristics of meningeal melanocytoma and demons
trates the risk of secundary dissemination of this primary benign tumo
ur