March 2000: 5 month old boy with occipital bone mass.
A 5 month old boy was found by his mother to have a bony mass behind the left ear which extended intracranially on MRI scan. At surgery it was entirely extradural in location. Microscopically, a biphasic appearance consisting of large pigmented cells arranged into tubules and small nonpigmented basophilic cells arranged into nests gave rise to a diagnosis of melanotic neuroectodermal tumour of infancy [MNETI]. One year after a wide local excision the patient is tumor-free and developing normally. The prognosis for MNETI in general is excellent with no requirement for additional radiotherapy or chemotherapy.
Caird
J
J
Department of Neuropathology, Beaumont Hospital, Dublin, Ireland.
McDermott
M
M
Farrell
M
M
D006801:Humans; D007223:Infant; D008279:Magnetic Resonance Imaging; D008297:Male; D017600:Neuroectodermal Tumor, Melanotic / Q000175:diagnosis / Q000473:pathology*; D009777:Occipital Bone / Q000473:pathology*; D012888:Skull Neoplasms / Q000175:diagnosis / Q000473:pathology*