We describe CT and MR findings in a 23-month-old infant with a melanotic ne
uroectodermal tumour of the pineal gland. The tumour has been stereotactica
lly biopsied and surgically resected. The pathological diagnosis was made o
n the resected piece. Embryology of the pineal gland and the histology of m
elanotic neuroectodermal tumour of infancy are discussed.