Last modified on Monday, February 16 2009.
Courtesy of Dr. Mark Cohen
While removing this tumor from the spinal cord of a 8 year old boy, the surgeon reported encountering several gritty meningeal lesions, each less than a mm in diameter. The most likely diagnosis for this child is?
When NF2 presents in childhood, it is commonly as intramedullary ependymoma. The gritty lesions were psammomatous meningiomas (
Psammomatous melanotic schwannoma may be a manifestation of Carney complex, but ependymoma is not (
This possibly "form fruste" of NF2 does not include ependymomas or meningiomas (